C13 and C15 On-highway Engines Caterpillar


Diagnostic Trouble Codes

Usage:

C15 B5R
Table 1 lists the diagnostic trouble codes that apply to the engines that are covered in this manual. Use the Caterpillar Electronic Technician (ET) in order to determine the codes that are active or logged. Then refer to the appropriate troubleshooting procedure for more information.

Portions of this material are reprinted with permission from SAE J1939DA_201607© 2016 SAE International. SAE International is not responsible for any use or translation of this material, in whole or in part. Please contact SAE International to obtain a complete copy of SAE J1939DA_201607, the official definitive source of this standard.

Table 1
List of Diagnostic Trouble Codes 
J1939 Code  Code Description  Troubleshooting Procedure  ATA Code 
  Diagnostics Exist that Require J1939 Service Tool Connection  This code indicates that Cat ET is not communicating on the J1939 data link. Cat ET must be communicating on the J1939 data link and the ATA data link in order to service the engine. Refer to Troubleshooting, "Electronic Service Tools" for additional information on establishing communication on both data links.

Establish communication with both data links in order to view the J1939 equivalent of the 154-14 code. 
154-14 
38-3  Second Fuel Level : Voltage Above Normal  Troubleshooting, "Fuel Level - Test"  38-3 
38-4  Second Fuel Level : Voltage Below Normal  Troubleshooting, "Fuel Level - Test"  38-4 
69-9  Two Speed Axle Switch : Abnormal Update Rate  Troubleshooting, "Customer Device - Test"  231-12 
69-19  Two Speed Axle Switch : Data Error  Troubleshooting, "Customer Device - Test"  231-12 
70-9  Parking Brake Switch : Abnormal Update Rate  Troubleshooting, "Customer Device - Test"  231-12 
70-19  Parking Brake Switch : Data Error  Troubleshooting, "Customer Device - Test"  231-12 
84-0  Wheel-Based Vehicle Speed : High - Most Severe (3)  Troubleshooting, "Vehicle Overspeeds"  84-0 
84-1  Wheel-Based Vehicle Speed : Low - Most Severe (3)  Troubleshooting, "Vehicle Speed - Test"  84-1 
84-2  Wheel-Based Vehicle Speed : Erratic, Intermittent, or Incorrect  Troubleshooting, "Vehicle Speed - Test"  84-2 
84-8  Wheel-Based Vehicle Speed : Abnormal Frequency, Pulse Width, or Period  Troubleshooting, "Vehicle Speed - Test"  84-8 
84-10  Wheel-Based Vehicle Speed : Abnormal Rate of Change  Troubleshooting, "Vehicle Speed - Test"  84-10 
84-14  Wheel-Based Vehicle Speed : Special Instruction  Troubleshooting, "Quick Stop Occurrence"  84-14 
91-8  Accelerator Pedal Position 1 : Abnormal Frequency, Pulse Width, or Period  Troubleshooting, "Sensor Signal (PWM) - Test"  91-8 
91-13  Accelerator Pedal Position 1 : Calibration Required  Troubleshooting, "Sensor Signal (PWM) - Test"  91-13 
94-3  Engine Fuel Delivery Pressure : Voltage Above Normal  Troubleshooting, "Sensor Signal (Analog, Active) - Test"  94-3 
94-4  Engine Fuel Delivery Pressure : Voltage Below Normal  Troubleshooting, "Sensor Signal (Analog, Active) - Test"  94-4 
96-3  Fuel Level : Voltage Above Normal  Troubleshooting, "Fuel Level - Test"  96-3 
96-4  Fuel Level : Voltage Below Normal  Troubleshooting, "Fuel Level - Test"  96-4 
100-1  Engine Oil Pressure : Low - Most Severe (3)  Troubleshooting, "Oil Pressure Is Low"  100-11 
100-3  Engine Oil Pressure : Voltage Above Normal  Troubleshooting, "Sensor Signal (Analog, Active) - Test"  100-3 
100-4  Engine Oil Pressure : Voltage Below Normal  Troubleshooting, "Sensor Signal (Analog, Active) - Test"  100-4 
100-10  Engine Oil Pressure : Abnormal Rate of Change  Troubleshooting, "Sensor Supply - Test"  100-10 
100-17  Engine Oil Pressure : Low - Least Severe (1)  Troubleshooting, "Oil Pressure Is Low"  100-1 
101-3  Engine Crankcase Pressure : Voltage Above Normal  Troubleshooting, "Sensor Signal (Analog, Active) - Test"  101-3 
101-4  Engine Crankcase Pressure : Voltage Below Normal  Troubleshooting, "Sensor Signal (Analog, Active) - Test"  101-4 
101-15  Engine Crankcase Pressure : High - Least Severe (1)  Troubleshooting, "Crankcase Pressure Is High"  101-0 
101-16  Engine Crankcase Pressure : High - Moderate Severity (2)  Troubleshooting, "Crankcase Pressure Is High"  101-11 
101-18  Engine Crankcase Pressure : Low - Moderate Severity (2)  Troubleshooting, "Crankcase Pressure Is Low"  101-1 
102-3  Engine Intake Manifold #1 Pressure : Voltage Above Normal  Troubleshooting, "Sensor Signal (Analog, Active) - Test"  102-3 
102-4  Engine Intake Manifold #1 Pressure : Voltage Below Normal  Troubleshooting, "Sensor Signal (Analog, Active) - Test"  102-4 
102-10  Engine Intake Manifold #1 Pressure : Abnormal Rate of Change  Troubleshooting, "Sensor Supply - Test"  102-10 
102-18  Engine Intake Manifold #1 Pressure : Low - Moderate Severity (2)  Troubleshooting, "Intake Manifold Air Pressure Is Low"  102-1 
105-3  Engine Intake Manifold 1 Temperature : Voltage Above Normal  Troubleshooting, "Sensor Signal (Analog, Passive) - Test"  105-3 
105-4  Engine Intake Manifold 1 Temperature : Voltage Below Normal  Troubleshooting, "Sensor Signal (Analog, Passive) - Test"  105-4 
105-15  Engine Intake Manifold 1 Temperature : High - Least Severe (1)  Troubleshooting, "Intake Manifold Air Temperature Is High"  105-0 
105-16  Engine Intake Manifold 1 Temperature : High - Moderate Severity (2)  Troubleshooting, "Intake Manifold Air Temperature Is High"  105-11 
110-3  Engine Coolant Temperature : Voltage Above Normal  Troubleshooting, "Sensor Signal (Analog, Passive) - Test"  110-3 
110-4  Engine Coolant Temperature : Voltage Below Normal  Troubleshooting, "Sensor Signal (Analog, Passive) - Test"  110-4 
110-15  Engine Coolant Temperature : High - Least Severe (1)  Troubleshooting, "Coolant Temperature Is High"  110-0 
110-16  Engine Coolant Temperature : High - Moderate Severity (2)  Troubleshooting, "Coolant Temperature Is High"  110-11 
111-1  Engine Coolant Level : Low - Most Severe (3)  Troubleshooting, "Coolant Level Is Low"  111-11 
111-2  Engine Coolant Level : Erratic, Intermittent, or Incorrect  Troubleshooting, "Coolant Level - Test"  111-2 
111-3  Engine Coolant Level : Voltage Above Normal  Troubleshooting, "Coolant Level - Test"  111-3 
111-4  Engine Coolant Level : Voltage Below Normal  Troubleshooting, "Coolant Level - Test"  111-4 
111-14  Engine Coolant Level : Special Instruction  Troubleshooting, "Coolant Level Is Low"  111-14 
111-17  Engine Coolant Level : Low - Least Severe (1)  Troubleshooting, "Coolant Level Is Low"  111-1 
158-2  Battery Potential (Voltage) Switched : Erratic, Intermittent, or Incorrect  Troubleshooting, "Electrical Power Supply - Test"  43-2 
168-2  Electrical Potential (Voltage) : Erratic, Intermittent, or Incorrect  Troubleshooting, "Electrical Power Supply - Test"  168-2 
168-3  Electrical Potential (Voltage) : Voltage Above Normal  Troubleshooting, "Electrical Power Supply - Test"  168-3 
168-4  Electrical Potential (Voltage) : Voltage Below Normal  Troubleshooting, "Electrical Power Supply - Test"  168-4 
171-3  Ambient Air Temperature : Voltage Above Normal  Troubleshooting, "Sensor Signal (Analog, Passive) - Test"  171-3 
171-4  Ambient Air Temperature : Voltage Below Normal  Troubleshooting, "Sensor Signal (Analog, Passive) - Test"  171-4 
171-9  Ambient Air Temperature : Abnormal Update Rate  Troubleshooting, "Customer Device - Test"  231-12 
171-11  Ambient Air Temperature : Other Failure Mode  Troubleshooting, "Sensor Signal (Analog, Passive) - Test"  171-11 
171-19  Ambient Air Temperature : Data Error  Troubleshooting, "Customer Device - Test"  231-12 
172-2  Engine Air Inlet Temperature : Erratic, Intermittent, or Incorrect  Troubleshooting, "Sensor Signal (Analog, Passive) - Test"  172-2 
172-3  Engine Air Inlet Temperature : Voltage Above Normal  Troubleshooting, "Sensor Signal (Analog, Passive) - Test"  172-3 
172-4  Engine Air Inlet Temperature : Voltage Below Normal  Troubleshooting, "Sensor Signal (Analog, Passive) - Test"  172-4 
173-15  Engine Exhaust Gas Temperature : High - Least Severe (1)  Troubleshooting, "Exhaust Temperature Is High"  173-0 
174-0  Engine Fuel Temperature : High - Most Severe (3)  Troubleshooting, "Fuel Temperature Is High"  174-0 
174-3  Engine Fuel Temperature : Voltage Above Normal  Troubleshooting, "Sensor Signal (Analog, Passive) - Test"  174-3 
174-4  Engine Fuel Temperature : Voltage Below Normal  Troubleshooting, "Sensor Signal (Analog, Passive) - Test"  174-4 
186-4  Power Takeoff Speed : Voltage Below Normal  Troubleshooting, "Power Take-Off - Test"  186-4 
186-14  Power Takeoff Speed : Special Instruction  Troubleshooting, "Power Take-Off - Test"  186-14 
190-8  Engine Speed : Abnormal Frequency, Pulse Width, or Period  Troubleshooting, "Engine Speed - Test"  190-8 
190-15  Engine Speed : High - Least Severe (1)  Troubleshooting, "Engine Overspeeds"  190-0 
191-7  Transmission Output Shaft Speed : Not Responding Properly  Troubleshooting, "Transmission Shift Control - Test"  191-7 
224-11  Anti-Theft Component Status States : Other Failure Mode  Troubleshooting, "Theft Deterrent Is Active"  224-11 
224-14  Anti-theft Component Status States : Special Instruction  Troubleshooting, "Theft Deterrent Is Active"  224-14 
310-0    A successful active regeneration causes this code number of occurrences to increment. No troubleshooting is required.  310-0 
310-1    A successful active regeneration causes this code number of occurrences to increment. No troubleshooting is required.  310-1 
310-2    A successful active regeneration causes this code number of occurrences to increment. No troubleshooting is required.  310-2 
310-3    A successful active regeneration causes this code number of occurrences to increment. No troubleshooting is required.  310-3 
524-9  Transmission Selected Gear : Abnormal Update Rate  Troubleshooting, "Customer Device - Test"  231-12 
524-19  Transmission Selected Gear : Data Error  Troubleshooting, "Customer Device - Test"  231-12 
592-31  Engine Idle Shutdown Timer Override  Troubleshooting, "Shutdown Timer (Idle) - Test"  71-0 
593-31  Engine Idle Shutdown has Shutdown Engine  Troubleshooting, "Shutdown Timer (Idle) - Test"  71-1 
593-31  Engine Idle Shutdown has Shutdown Engine  Troubleshooting, "Shutdown Timer (PTO) - Test"  71-14 
596-9  Cruise Control Enable Switch : Abnormal Update Rate  Troubleshooting, "Customer Device - Test"  231-12 
596-19  Cruise Control Enable Switch : Data Error  Troubleshooting, "Customer Device - Test"  231-12 
597-9  Brake Switch : Abnormal Update Rate  Troubleshooting, "Customer Device - Test"  231-12 
597-11  Brake Switch : Other Failure Mode  Troubleshooting, "Speed Control (Auxiliary) - Test"  246-11 
597-19  Brake Switch : Data Error  Troubleshooting, "Customer Device - Test"  231-12 
598-9  Clutch Switch : Abnormal Update Rate  Troubleshooting, "Customer Device - Test"  231-12 
598-19  Clutch Switch : Data Error  Troubleshooting, "Customer Device - Test"  231-12 
599-9  Cruise Control Set Switch : Abnormal Update Rate  Troubleshooting, "Customer Device - Test"  231-12 
599-19  Cruse Control Set Switch : Data Error  Troubleshooting, "Customer Device - Test"  231-12 
600-9  Cruise Control Coast (Decelerate) Switch : Abnormal Update Rate  Troubleshooting, "Customer Device - Test"  231-12 
600-19  Cruise Control Coast (Decelerate) Switch : Data Error  Troubleshooting, "Customer Device - Test"  231-12 
601-9  Cruise Control Resume Switch : Abnormal Update Rate  Troubleshooting, "Customer Device - Test"  231-12 
601-19  Cruise Control Resume Switch : Data Error  Troubleshooting, "Customer Device - Test"  231-12 
602-9  Cruise Control Accelerate Switch : Abnormal Update Rate  Troubleshooting, "Customer Device - Test"  231-12 
602-19  Cruise Control Accelerate Switch : Data Error  Troubleshooting, "Customer Device - Test"  231-12 
603-11  Brake Pedal Switch #2 : Other Failure Mode  Troubleshooting, "Speed Control (Auxiliary) - Test"  247-11 
626-5  Engine Start Enable Device 1 : Current Below Normal  Troubleshooting, "Starting Aid - Test"  237-5 
626-6  Engine Start Enable Device 1 : Current Above Normal  Troubleshooting, "Starting Aid - Test"  237-6 
630-2  Calibration Memory : Erratic, Intermittent, or Incorrect  Troubleshooting, "ECM Memory - Test"  253-2 
630-11  Calibration Memory : Other Failure Mode  Troubleshooting, "Transmission Shift Control - Test"  253-11 
631-11  Calibration Module : Other Failure Mode  Troubleshooting, "ECM Memory - Test"  252-2 
637-11  Engine Timing Sensor : Other Failure Mode  Troubleshooting, "Engine Speed - Test"  22-11 
637-13  Engine Timing Sensor : Calibration Required  Troubleshooting, "Timing - Calibrate"  22-13 
644-8  Engine External Speed Command Input : Abnormal Frequency, Pulse Width, or Period  Troubleshooting, "Sensor Signal (PWM) - Test"  30-8 
644-13  Engine External Speed Command Input : Calibration Required  Troubleshooting, "Sensor Signal (PWM) - Test"  30-13 
651-5  Engine Injector Cylinder #01 : Current Below Normal  Troubleshooting, "Injector Solenoid - Test"  1-5 
651-6  Engine Injector Cylinder #01 : Current Above Normal  Troubleshooting, "Injector Solenoid - Test"  1-6 
652-5  Engine Injector Cylinder #02 : Current Below Normal  Troubleshooting, "Injector Solenoid - Test"  2-5 
652-6  Engine Injector Cylinder #02 : Current Above Normal  Troubleshooting, "Injector Solenoid - Test"  2-6 
653-5  Engine Injector Cylinder #03 : Current Below Normal  Troubleshooting, "Injector Solenoid - Test"  3-5 
653-6  Engine Injector Cylinder #03 : Current Above Normal  Troubleshooting, "Injector Solenoid - Test"  3-6 
654-5  Engine Injector Cylinder #04 : Current Below Normal  Troubleshooting, "Injector Solenoid - Test"  4-5 
654-6  Engine Injector Cylinder #04 : Current Above Normal  Troubleshooting, "Injector Solenoid - Test"  4-6 
655-5  Engine Injector Cylinder #05 : Current Below Normal  Troubleshooting, "Injector Solenoid - Test"  5-5 
655-6  Engine Injector Cylinder #05 : Current Above Normal  Troubleshooting, "Injector Solenoid - Test"  5-6 
656-5  Engine Injector Cylinder #06 : Current Below Normal  Troubleshooting, "Injector Solenoid - Test"  6-5 
656-6  Engine Injector Cylinder #06 : Current Above Normal  Troubleshooting, "Injector Solenoid - Test"  6-6 
678-3  ECU 8 Volts DC Supply : Voltage Above Normal  Troubleshooting, "Sensor Signal (PWM) - Test"  41-3 
678-4  ECU 8 Volts DC Supply : Voltage Below Normal  Troubleshooting, "Sensor Signal (PWM) - Test"  41-4 
706-5  Auxiliary I/O #06 : Current Below Normal  Troubleshooting, "Output Selection Parameters"  54-5 
706-6  Auxiliary I/O #06 : Current Above Normal  Troubleshooting, "Output Selection Parameters"  54-6 
707-5  Auxiliary I/O #07 : Current Below Normal  Troubleshooting, "Output Selection Parameters"  55-5 
707-6  Auxiliary I/O #07 : Current Above Normal  Troubleshooting, "Output Selection Parameters"  55-6 
723-8  Engine Speed Sensor #2 : Abnormal Frequency, Pulse Width, or Period  Troubleshooting, "Engine Speed - Test"  64-8 
925-5  Auxiliary Output #2 : Current Below Normal  Troubleshooting, "Output Selection Parameters"  40-5 
925-6  Auxiliary Output #2 : Current Above Normal  Troubleshooting, "Output Selection Parameters"  40-6 
926-5  Auxiliary Output #3 : Current Below Normal  Troubleshooting, "Output Selection Parameters"  51-5 
926-6  Auxiliary Output #3 : Current Above Normal  Troubleshooting, "Output Selection Parameters"  51-6 
973-9  Engine Retarder Selection : Abnormal Update Rate  Troubleshooting, "Customer Device - Test"  231-12 
973-19  Engine Retarder Selection : Data Error  Troubleshooting, "Customer Device - Test"  231-12 
979-9  Engine Remote PTO Preprogrammed Speed Control Switch : Abnormal Update Rate  Troubleshooting, "Customer Device - Test"  231-12 
979-19  Engine Remote PTO Preprogrammed Speed Control Switch : Data Error  Troubleshooting, "Customer Device - Test"  231-12 
980-9  Engine PTO Enable Switch : Abnormal Update Rate  Troubleshooting, "Customer Device - Test"  231-12 
980-19  Engine PTO Enable Switch : Data Error  Troubleshooting, "Customer Device - Test"  231-12 
982-9  Engine PTO Resume Switch : Abnormal Update Rate  Troubleshooting, "Customer Device - Test"  231-12 
982-19  Engine PTO Resume Switch : Data Error  Troubleshooting, "Customer Device - Test"  231-12 
984-9  Engine PTO Set Switch : Abnormal Update Rate  Troubleshooting, "Customer Device - Test"  231-12 
984-19  Engine PTO Set Switch : Data Error  Troubleshooting, "Customer Device - Test"  231-12 
985-9  A/C High Pressure Fan Switch : Abnormal Update Rate  Troubleshooting, "Customer Device - Test"  231-12 
985-19  A/C High Pressure Fan Switch : Data Error  Troubleshooting, "Customer Device - Test"  231-12 
986-9  Requested Percent Fan Speed : Abnormal Update Rate  Troubleshooting, "Customer Device - Test"  231-12 
986-19  Requested Percent Fan Speed : Data Error  Troubleshooting, "Customer Device - Test"  231-12 
1072-5  Engine (Compression) Brake Output #1 : Current Below Normal  Troubleshooting, "Retarder - Test"  121-5 
1072-6  Engine (Compression) Brake Output #1 : Current Above Normal  Troubleshooting, "Retarder - Test"  121-6 
1073-5  Engine (Compression) Brake Output #2 : Current Below Normal  Troubleshooting, "Retarder - Test"  122-5 
1073-6  Engine (Compression) Brake Output #2 : Current Above Normal  Troubleshooting, "Retarder - Test"  122-6 
1110-31
There are none of the following codes:
100-1
110-16
111-1 
Engine Protection System Has Shutdown Engine  Troubleshooting, "Diesel Particulate Filter Collects Excessive Soot"  154-14 
1110-31
With the code
3719-00 
Engine Protection System Has Shutdown Engine
With the code
Diesel Particulate Filter #1 Soot Load Percent : High - Most Severe (3)
The engine has shutdown do to excessive soot. 
Troubleshooting, "Diesel Particulate Filter Collects Excessive Soot"  154-14
With the code
151-11 
1110-31
With the code
100-1 
Engine Protection System Has Shutdown Engine
With the code
Engine Oil Pressure : Low - Most Severe (3)
The engine has shutdown do to low oil pressure. 
Troubleshooting, "Oil Pressure Is Low"  154-14
With the code
100-11 
1110-31
With the code
110-16 
Engine Protection System Has Shutdown Engine
With the code
Engine Coolant Temperature : High - Moderate Severity (2)
The engine has shutdown do to a high coolant temperature. 
Troubleshooting, "Coolant Temperature Is High"  154-14
With the code
110-11 
1110-31
With the code
111-1 
Engine Protection System Has Shutdown Engine
With the code
Engine Coolant Level : Low - Most Severe (3)
The engine has shutdown do to low coolant level. 
Troubleshooting, "Coolant Level Is Low"  154-14
With the code
111-11 
1237-14  Engine Shutdown Override Switch : Special Instruction  Troubleshooting, "Engine Shutdown Override Occurrence"  71-11 
1237-31  Engine Shutdown Override Switch  Troubleshooting, "Engine Shutdown Override Occurrence"  71-11 
1321-14  Engine Starter Solenoid Lockout Relay Driver Circuit - Special Instruction  Troubleshooting, "Customer Device - Test"  226-14 
1633-9  Cruise Control Pause Switch : Abnormal Update Rate  Troubleshooting, "Customer Device - Test"  231-12 
1633-19  Cruise Control Pause Switch : Data Error  Troubleshooting, "Customer Device - Test"  231-12 
2646-5  Auxiliary Output #4 : Current Below Normal  Troubleshooting, "Output Selection Parameters"  52-5 
2646-6  Auxiliary Output #4 : Current Above Normal  Troubleshooting, "Output Selection Parameters"  52-6 
2647-5  Auxiliary Output #5 : Current Below Normal  Troubleshooting, "Output Selection Parameters"  53-5 
2647-6  Auxiliary Output #5 : Current Above Normal  Troubleshooting, "Output Selection Parameters"  53-6 
2813-31  Engine Air Shutoff Command Status  Troubleshooting, "Air Shutoff - Test"  52-11 
2948-18  Engine Intake Valve Actuation System Oil Pressure : Low - moderate severity (2)  Troubleshooting, "Variable Valve Actuator Response - Test"  385-1 
2948-3  Engine Intake Valve Actuation System Oil Pressure : Voltage Above Normal  Troubleshooting, "Sensor Signal (Analog, Active) - Test"  385-3 
2948-4  Engine Intake Valve Actuation System Oil Pressure : Voltage Below Normal  Troubleshooting, "Sensor Signal (Analog, Active) - Test"  385-4 
2949-5  Engine Intake Valve Actuation System Oil Pressure Control Valve : Current Below Normal  Troubleshooting, "Variable Valve Actuator Oil Pressure - Test"  283-5 
2949-6  Engine Intake Valve Actuation System Oil Pressure Control Valve : Current Above Normal  Troubleshooting, "Variable Valve Actuator Oil Pressure - Test"  283-6 
2949-7  Engine Intake Valve Actuation System Oil Pressure Control Valve : Not Responding Properly  Troubleshooting, "Variable Valve Actuator Response - Test"  283-7 
2950-5  Engine Intake Valve Actuator #1 : Current Below Normal  Troubleshooting, "Variable Valve Actuator - Test"  285-5 
2950-6  Engine Intake Valve Actuator #1 : Current Above Normal  Troubleshooting, "Variable Valve Actuator - Test"  285-6 
2950-7  Engine Intake Valve Actuator #1 : Not Responding Properly  Troubleshooting, "Variable Valve Actuator Response - Test"  285-7 
2951-5  Engine Intake Valve Actuator #2 : Current Below Normal  Troubleshooting, "Variable Valve Actuator - Test"  286-5 
2951-6  Engine Intake Valve Actuator #2 : Current Above Normal  Troubleshooting, "Variable Valve Actuator - Test"  286-6 
2951-7  Engine Intake Valve Actuator #2 : Not Responding Properly  Troubleshooting, "Variable Valve Actuator Response - Test"  286-7 
2952-5  Engine Intake Valve Actuator #3 : Current Below Normal  Troubleshooting, "Variable Valve Actuator - Test"  287-5 
2952-6  Engine Intake Valve Actuator #3 : Current Above Normal  Troubleshooting, "Variable Valve Actuator - Test"  287-6 
2952-7  Engine Intake Valve Actuator #3 : Not Responding Properly  Troubleshooting, "Variable Valve Actuator Response - Test"  287-7 
2953-5  Engine Intake Valve Actuator #4 : Current Below Normal  Troubleshooting, "Variable Valve Actuator - Test"  288-5 
2953-6  Engine Intake Valve Actuator #4 : Current Above Normal  Troubleshooting, "Variable Valve Actuator - Test"  288-6 
2953-7  Engine Intake Valve Actuator #4 : Not Responding Properly  Troubleshooting, "Variable Valve Actuator Response - Test"  288-7 
2954-5  Engine Intake Valve Actuator #5 : Current Below Normal  Troubleshooting, "Variable Valve Actuator - Test"  289-5 
2954-6  Engine Intake Valve Actuator #5 : Current Above Normal  Troubleshooting, "Variable Valve Actuator - Test"  289-6 
2954-7  Engine Intake Valve Actuator #5 : Not Responding Properly  Troubleshooting, "Variable Valve Actuator Response - Test"  289-7 
2955-5  Engine Intake Valve Actuator #6 : Current Below Normal  Troubleshooting, "Variable Valve Actuator - Test"  290-5 
2955-6  Engine Intake Valve Actuator #6 : Current Above Normal  Troubleshooting, "Variable Valve Actuator - Test"  290-6 
2955-7  Engine Intake Valve Actuator #6 : Not Responding Properly  Troubleshooting, "Variable Valve Actuator Response - Test"  290-7 
3241-3  Exhaust Gas Temperature 1 : Voltage Above Normal  Troubleshooting, "Sensor Signal (Analog, Active) - Test"  326-3 
3241-4  Exhaust Gas Temperature 1 : Voltage Below Normal  Troubleshooting, "Sensor Signal (Analog, Active) - Test"  326-4 
3241-20  Exhaust Gas Temperature 1 : Data Drifted High  Troubleshooting, "Sensor Signal (Analog, Active) - Test"  N/A 
3242-2  Diesel Particulate Filter Intake Gas Temperature (bank 1) : Erratic, Intermittent, or Incorrect  Troubleshooting, "Sensor Signal (Analog, Active) - Test"  318-2 
3242-3  Diesel Particulate Filter Intake Gas Temperature (bank 1) : Voltage Above Normal  Troubleshooting, "Sensor Signal (Analog, Active) - Test"  318-3 
3242-4  Diesel Particulate Filter Intake Gas Temperature (bank 1) : Voltage Below Normal  Troubleshooting, "Sensor Signal (Analog, Active) - Test"  318-4 
3242-16  Diesel Particulate Filter Intake Gas Temperature (bank 1) : High - Moderate Severity (2)  Troubleshooting, "Diesel Particulate Filter Temperature Is High"  318-11 
3242-18  Diesel Particulate Filter Intake Gas Temperature (bank 1) : Low - Moderate Severity (2)  Troubleshooting, "Diesel Particulate Filter Temperature Is Low"  318-14 
3245-3  Exhaust Gas Temperature 3 : Voltage Above Normal  Troubleshooting, "Sensor Signal (Analog, Active) - Test"  328-3 
3245-4  Exhaust Gas Temperature 3 : Voltage Below Normal  Troubleshooting, "Sensor Signal (Analog, Active) - Test"  328-4 
3245-15  Exhaust Gas Temperature 3 : High - Least Severe (1)  Troubleshooting, "ARD Combustion - Test"  328-0 
3245-20  Exhaust Gas Temperature 3 : Data Drifted High  Troubleshooting, "Sensor Signal (Analog, Active) - Test"  N/A 
3246-2  Diesel Particulate Filter Outlet Gas Temperature (bank 1) : Erratic, Intermittent, or Incorrect  Troubleshooting, "Sensor Signal (Analog, Active) - Test"  320-2 
3246-3  Diesel Particulate Filter Outlet Gas Temperature (bank 1) : Voltage Above Normal  Troubleshooting, "Sensor Signal (Analog, Active) - Test"  320-3 
3246-4  Diesel Particulate Filter Outlet Gas Temperature (bank 1) : Voltage Below Normal  Troubleshooting, "Sensor Signal (Analog, Active) - Test"  320-4 
3246-15  Diesel Particulate Filter Outlet Gas Temperature (bank 1) : High - Least Severe (1)  Troubleshooting, "Diesel Particulate Filter Temperature Is High"  320-0 
3246-16  Diesel Particulate Filter Outlet Gas Temperature (bank 1) : High - Moderate Severity (2)  Troubleshooting, "Diesel Particulate Filter Temperature Is High"  320-11 
3246-18  Diesel Particulate Filter Outlet Gas Temperature (bank 1) : Low - Moderate Severity (2)  Troubleshooting, "Diesel Particulate Filter Temperature Is Low"  320-1 
3249-3  Exhaust Gas Temperature 2 : Voltage Above Normal  Troubleshooting, "Sensor Signal (Analog, Active) - Test"  327-3 
3249-4  Exhaust Gas Temperature 2 : Voltage Below Normal  Troubleshooting, "Sensor Signal (Analog, Active) - Test"  327-4 
3249-20  Exhaust Gas Temperature 2 : Data Drifted High  Troubleshooting, "Sensor Signal (Analog, Active) - Test"  N/A 
3251-0  Diesel Particulate Filter Differential Pressure (bank 1) : High - Most Severe (3)  Troubleshooting, "Diesel Particulate Filter Has Differential Pressure Problem"  324-11 
3251-2  Diesel Particulate Filter Differential Pressure (bank 1) : Erratic, Intermittent, or Incorrect  Troubleshooting, "Sensor Signal (Analog, Active) - Test"  324-2 
3251-3  Diesel Particulate Filter Differential Pressure (bank 1) : Voltage Above Normal  Troubleshooting, "Sensor Signal (Analog, Active) - Test"  324-3 
3251-4  Diesel Particulate Filter Differential Pressure (bank 1) : Voltage Below Normal  Troubleshooting, "Sensor Signal (Analog, Active) - Test"  324-4 
3251-16  Diesel Particulate Filter Differential Pressure (bank 1) : High - Moderate Severity (2)  Troubleshooting, "Diesel Particulate Filter Has Differential Pressure Problem"  324-0 
3251-18  Diesel Particulate Filter Differential Pressure (bank 1) : Low - Moderate Severity (2)  Troubleshooting, "Diesel Particulate Filter Has Differential Pressure Problem"  324-1 
3251-20  Diesel Particulate Filter Differential Pressure (bank 1) : Data Drifted High  Troubleshooting, "Sensor Signal (Analog, Active) - Test"  N/A 
3251-21  Diesel Particulate Filter Differential Pressure (bank 1) : Data Drifted Low  Troubleshooting, "Sensor Signal (Analog, Active) - Test"  N/A 
3276-2  Diesel Particulate Filter Intake Gas Temperature (bank 2) : Erratic, Intermittent, or Incorrect  Troubleshooting, "Sensor Signal (Analog, Active) - Test"  319-2 
3276-3  Diesel Particulate Filter Intake Gas Temperature (bank 2) : Voltage Above Normal  Troubleshooting, "Sensor Signal (Analog, Active) - Test"  319-3 
3276-4  Diesel Particulate Filter Intake Gas Temperature (bank 2) : Voltage Below Normal  Troubleshooting, "Sensor Signal (Analog, Active) - Test"  319-4 
3276-16  Diesel Particulate Filter Intake Gas Temperature (bank 2) : High - Moderate Severity (2)  Troubleshooting, "Diesel Particulate Filter Temperature Is High"  319-11 
3276-18  Diesel Particulate Filter Intake Gas Temperature (bank 2) : Low - Moderate Severity (2)  Troubleshooting, "Diesel Particulate Filter Temperature Is Low"  319-14 
3280-2  Diesel Particulate Filter Outlet Gas Temperature (bank 2) : Erratic, Intermittent, or Incorrect  Troubleshooting, "Sensor Signal (Analog, Active) - Test"  321-2 
3280-3  Diesel Particulate Filter Outlet Gas Temperature (bank 2) : Voltage Above Normal  Troubleshooting, "Sensor Signal (Analog, Active) - Test"  321-3 
3280-4  Diesel Particulate Filter Outlet Gas Temperature (bank 2) : Voltage Below Normal  Troubleshooting, "Sensor Signal (Analog, Active) - Test"  321-4 
3280-15  Diesel Particulate Filter Outlet Gas Temperature (bank 2) : High - Least Severe (1)  Troubleshooting, "Diesel Particulate Filter Temperature Is High"  321-0 
3280-16  Diesel Particulate Filter Outlet Gas Temperature (bank 2) : High - Moderate Severity (2)  Troubleshooting, "Diesel Particulate Filter Temperature Is High"  321-11 
3280-18  Diesel Particulate Filter Outlet Gas Temperature (bank 2) : Low - Moderate Severity (2)  Troubleshooting, "Diesel Particulate Filter Temperature Is Low"  321-1 
3285-0  Diesel Particulate Filter Differential Pressure (bank 2) : High - Most Severe (3)  Troubleshooting, "Diesel Particulate Filter Has Differential Pressure Problem"  325-11 
3285-2  Diesel Particulate Filter Differential Pressure (bank 2) : Erratic, Intermittent, or Incorrect  Troubleshooting, "Sensor Signal (Analog, Active) - Test"  325-2 
3285-3  Diesel Particulate Filter Differential Pressure (bank 2) : Voltage Above Normal  Troubleshooting, "Sensor Signal (Analog, Active) - Test"  325-3 
3285-4  Diesel Particulate Filter Differential Pressure (bank 2) : Voltage Below Normal  Troubleshooting, "Sensor Signal (Analog, Active) - Test"  325-4 
3285-16  Diesel Particulate Filter Differential Pressure (bank 2) : High - Moderate Severity (2)  Troubleshooting, "Diesel Particulate Filter Has Differential Pressure Problem"  325-0 
3285-18  Diesel Particulate Filter Differential Pressure (bank 2) : Low - Moderate Severity (2)  Troubleshooting, "Diesel Particulate Filter Has Differential Pressure Problem"  325-1 
3285-20  Diesel Particulate Filter Differential Pressure (bank 2) : Data Drifted High  Troubleshooting, "Sensor Signal (Analog, Active) - Test"  N/A 
3285-21  Diesel Particulate Filter Differential Pressure (bank 2) : Data Drifted Low  Troubleshooting, "Sensor Signal (Analog, Active) - Test"  N/A 
3473-31  Aftertreatment #1 Failed to Ignite  Troubleshooting, "ARD Failed to Ignite"  356-11 
3474-31  Aftertreatment #1 Loss of Combustion  Troubleshooting, "ARD Combustion - Test"  357-11 
3479-5  Aftertreatment #1 Fuel Pressure Control : Current Below Normal  Troubleshooting, "Solenoid Valve - Test"  333-5 
3479-6  Aftertreatment #1 Fuel Pressure Control : Current Above Normal  Troubleshooting, "Solenoid Valve - Test"  333-6 
3480-3  Aftertreatment #1 Fuel Pressure #1 : Voltage Above Normal  Troubleshooting, "Sensor Signal (Analog, Active) - Test"  332-3 
3480-4  Aftertreatment #1 Fuel Pressure #1 : Voltage Below Normal  Troubleshooting, "Sensor Signal (Analog, Active) - Test"  332-4 
3480-16  Aftertreatment #1 Fuel Pressure #1 : High - Moderate Severity (2)  Troubleshooting, "ARD Fuel Pressure Is High"  332-11 
3482-5  Aftertreatment #1 Fuel Enable Actuator : Current Below Normal  Troubleshooting, "Solenoid Valve - Test"  334-5 
3482-6  Aftertreatment #1 Fuel Enable Actuator : Current Above Normal  Troubleshooting, "Solenoid Valve - Test"  334-6 
3484-5  Aftertreatment #1 Ignition : Current Below Normal  Troubleshooting, "ARD Ignition - Test"  335-5 
3484-6  Aftertreatment #1 Ignition : Current Above Normal  Troubleshooting, "ARD Ignition - Test"  335-6 
3486-7  Aftertreatment #1 Purge Air Pressure : Not Responding Properly  Troubleshooting, "ARD Purge Air - Test"  349-7 
3486-17  Aftertreatment #1 Purge Air Pressure : Low - Least Severe (1)  Troubleshooting, "ARD Purge Air - Test"  349-1 
3487-5  Aftertreatment #1 Air Pressure Control : Current Below Normal  Troubleshooting, "Solenoid Valve - Test"  350-5 
3487-6  Aftertreatment #1 Air Pressure Control : Current Above Normal  Troubleshooting, "Solenoid Valve - Test"  350-6 
3487-7  Aftertreatment #1 Air Pressure Control : Not Responding Properly  Troubleshooting, "ARD Combustion Air - Test"  350-7 
3490-6  Aftertreatment #1 Purge Air Actuator : Current Above Normal  Troubleshooting, "ARD Purge Air - Test"  341-6 
3509-3  Sensor Supply Voltage 1 : Voltage Above Normal  Troubleshooting, "Sensor Supply - Test"  212-3 
3509-4  Sensor Supply Voltage 1 : Voltage Below Normal  Troubleshooting, "Sensor Supply - Test"  212-4 
3510-3  Sensor Supply Voltage 2 : Voltage Above Normal  Troubleshooting, "Sensor Supply - Test"  211-3 
3510-4  Sensor Supply Voltage 2 : Voltage Below Normal  Troubleshooting, "Sensor Supply - Test"  211-4 
3556-7  Aftertreatment #1 Fuel Injector : Not Responding Properly  Troubleshooting, "ARD Nozzle - Test"  153-7 
3659-5  Engine Injector Cylinder #1 Actuator 2 : Current Below Normal  Troubleshooting, "Injector Solenoid - Test"  362-5 
3659-6  Engine Injector Cylinder #1 Actuator 2 : Current Above Normal  Troubleshooting, "Injector Solenoid - Test"  362-6 
3660-5  Engine Injector Cylinder #2 Actuator 2 : Current Below Normal  Troubleshooting, "Injector Solenoid - Test"  363-5 
3660-6  Engine Injector Cylinder #2 Actuator 2 : Current Above Normal  Troubleshooting, "Injector Solenoid - Test"  363-6 
3661-5  Engine Injector Cylinder #3 Actuator 2 : Current Below Normal  Troubleshooting, "Injector Solenoid - Test"  364-5 
3661-6  Engine Injector Cylinder #3 Actuator 2 : Current Above Normal  Troubleshooting, "Injector Solenoid - Test"  364-6 
3662-5  Engine Injector Cylinder #4 Actuator 2 : Current Below Normal  Troubleshooting, "Injector Solenoid - Test"  365-5 
3662-6  Engine Injector Cylinder #4 Actuator 2 : Current Above Normal  Troubleshooting, "Injector Solenoid - Test"  365-6 
3663-5  Engine Injector Cylinder #5 Actuator 2 : Current Below Normal  Troubleshooting, "Injector Solenoid - Test"  366-5 
3663-6  Engine Injector Cylinder #5 Actuator 2 : Current Above Normal  Troubleshooting, "Injector Solenoid - Test"  366-6 
3664-5  Engine Injector Cylinder #6 Actuator 2 : Current Below Normal  Troubleshooting, "Injector Solenoid - Test"  367-5 
3664-6  Engine Injector Cylinder #6 Actuator 2 : Current Above Normal  Troubleshooting, "Injector Solenoid - Test"  367-6 
3695-9  Diesel Particulate Filter Regeneration Inhibit Switch : Abnormal Update Rate  Troubleshooting, "Customer Device - Test"  231-12 
3695-19  Diesel Particulate Filter Regeneration Inhibit Switch : Data Error  Troubleshooting, "Customer Device - Test"  231-12 
3696-9  Diesel Particulate Filter Regeneration Force Switch : Abnormal Update Rate  Troubleshooting, "Customer Device - Test"  231-12 
3696-19  Diesel Particulate Filter Regeneration Force Switch : Data Error  Troubleshooting, "Customer Device - Test"  231-12 
3703-31  Diesel Particulate Filter Active Regeneration Inhibited Due to Inhibit Switch  The Aftertreatment Regeneration Device (ARD) is disabled by the "ARD Disable Switch".  393-11 
3711-31  Diesel Particulate Filter Active Regeneration Inhibited Due to Low Exhaust Gas Temperature (2)  Troubleshooting, "ARD Temperature Is Low"  311-14 
3714-31  Diesel Particulate Filter Active Regeneration Inhibited Due to Temporary System Lockout  The "Data Link ARD Disable" configuration parameter is programmed to "Disabled". This parameter is in the "Emissions Parameters". Program the value of the parameter to "Not Disabled" in order to clear the code.  394-11 
3715-31  Diesel Particulate Filter Active Regeneration Inhibited Due to Permanent System Lockout  This code indicates that the DPF contains too much soot. The ECM disables the ARD when this code is active.  388-11 
3719-0  Diesel Particulate Filter #1 Soot Load Percent : High - Most Severe (3)  Troubleshooting, "Diesel Particulate Filter Collects Excessive Soot"  151-11 
3719-16  Diesel Particulate Filter #1 Soot Load Percent : High - Moderate Severity (2)  Troubleshooting, "Diesel Particulate Filter Collects Excessive Soot"  151-0 
3720-15  Particulate Trap #1 Ash Load Percent : High - least severe (1)  Troubleshooting, "Diesel Particulate Filter Has High Ash Load"   
3723-15  Particulate Trap #2 Ash Load Percent : High - least severe (1)  Troubleshooting, "Diesel Particulate Filter Has High Ash Load"   
3830-3  Aftertreatment #1 Secondary Air Differential Pressure : Voltage Above Normal  Troubleshooting, "Sensor Signal (Analog, Active) - Test"  373-3 
3830-4  Aftertreatment #1 Secondary Air Differential Pressure : Voltage Below Normal  Troubleshooting, "Sensor Signal (Analog, Active) - Test"  373-4 
3832-15  Aftertreatment #1 Secondary Air Mass Flow : High - Least Severe (1)  Troubleshooting, "ARD Combustion Air - Test"  3832-0 
3832-17  Aftertreatment #1 Secondary Air Mass Flow : Low - Least Severe (1)  Troubleshooting, "ARD Combustion Air - Test"  3832-1 
4077-3  Aftertreatment #1 Fuel Pressure #2 : Voltage Above Normal  Troubleshooting, "Sensor Signal (Analog, Active) - Test"  336-3 
4077-4  Aftertreatment #1 Fuel Pressure #2 : Voltage Below Normal  Troubleshooting, "Sensor Signal (Analog, Active) - Test"  336-4 
4077-16  Aftertreatment #1 Fuel Pressure #2 : High - Moderate Severity (2)  Troubleshooting, "ARD Fuel Pressure Is High"  336-11 
4077-17  Aftertreatment #1 Fuel Pressure #2 : Low - Least Severe (1)  Troubleshooting, "Fuel System Pressure - Test"  336-1 
4077-18  Aftertreatment #1 Fuel Pressure #2 : Low - Moderate Severity (2)  Troubleshooting, "Fuel System Pressure - Test"  336-14 
4265-6  Aftertreatment #1 Transformer Secondary Output : Current Above Normal  Troubleshooting, "ARD Ignition - Test"  396-6 
4301-5  Aftertreatment #1 Fuel Injector #1 Heater Control : Current Below Normal  Troubleshooting, "ARD Nozzle Heater - Test"   
4301-6  Aftertreatment #1 Fuel Injector #1 Heater Control : Current Above Normal  Troubleshooting, "ARD Nozzle Heater - Test"   
520192-15  CGI Mass Flow Rate : High - Least Severe (1)  Troubleshooting, "Clean Gas Induction - Test"  316-0 
520192-16  CGI Mass Flow Rate : High - Moderate Severity (2)  Troubleshooting, "Clean Gas Induction - Test"  316-11 
520192-18  CGI Mass Flow Rate : Low - Moderate Severity (2)  Troubleshooting, "Clean Gas Induction - Test"  316-14 
520193-3  CGI Gas Temperature : Voltage Above Normal  Troubleshooting, "Sensor Signal (Analog, Active) - Test"  315-3 
520193-4  CGI Gas Temperature : Voltage Below Normal  Troubleshooting, "Sensor Signal (Analog, Active) - Test"  315-4 
520193-18  CGI Gas Temperature : Low - Moderate Severity (2)  Troubleshooting, "Clean Gas Induction - Test"  315-1 
520193-20  CGI Gas Temperature : Data Drifted High  Troubleshooting, "Sensor Signal (Analog, Active) - Test"  N/A 
520194-5  CGI Actuator Shaft Position : Current Below Normal  Troubleshooting, "Solenoid Valve - Test"  317-5 
520194-6  CGI Actuator Shaft Position : Current Above Normal  Troubleshooting, "Solenoid Valve - Test"  317-6 
520196-3  CGI Differential Pressure : Voltage Above Normal  Troubleshooting, "Sensor Signal (Analog, Active) - Test"  316-3 
520196-4  CGI Differential Pressure : Voltage Below Normal  Troubleshooting, "Sensor Signal (Analog, Active) - Test"  316-4 
520197-3  CGI Absolute Pressure : Voltage Above Normal  Troubleshooting, "Sensor Signal (Analog, Active) - Test"  314-3 
520197-4  CGI Absolute Pressure : Voltage Below Normal  Troubleshooting, "Sensor Signal (Analog, Active) - Test"  314-4 

Caterpillar Information System:

C32 Marine Engines Auxiliary Water Pump - Assemble
345C MHPU Mobile Hydraulic Power Unit Engine Supplement Refrigerant Receiver-Dryer - Remove and Install
3126B Generator Set Engine Sensors and Electrical Connectors
C32 Marine Engines Auxiliary Water Pump - Disassemble
C15 On-Highway Engine Electronic Unit Injector - Test
2008/07/21 New Inlet Valve Guide Seal and New Cylinder Head Groups {1104, 1225}
C4.4 and C6.6 Industrial Engines and Engines for Caterpillar Built Machines Engine Pressure Sensor Open or Short Circuit - Test
C15 Generator Sets Safety Messages
Work Area Vision System Camera Description
Work Area Vision System Display Description
Work Area Vision System Display Picture Adjustment - Select Display Settings
Work Area Vision System Display Position Adjustment
C32 Marine and Auxiliary Marine Engines Auxiliary Water Pump - Install
C32 Petroleum Engines Aftercooler - Remove
C15 On-Highway Engine Engine Valve Lash - Inspect/Adjust
C4.4 and C6.6 Engines for Caterpillar Built Machines CID 1639 FMI 09
345C MHPU Mobile Hydraulic Power Unit Engine Supplement Refrigerant Condenser - Remove and Install
C4.4 and C6.6 Industrial Engines and Engines for Caterpillar Built Machines CID 0041 FMI 03
C4.4 and C6.6 Industrial Engines and Engines for Caterpillar Built Machines CID 0041 FMI 04
C4.4 and C6.6 Industrial Engines and Engines for Caterpillar Built Machines CID 0100 FMI 03
Reuse and Salvage for Fuel Injection Pumps and Nozzles on 3044, 3046, 3064, and 3066 Engines {1251} Reuse and Salvage for Fuel Injection Pumps and Nozzles on 3044, 3046, 3064, and 3066 Engines {1251}
2005/08/22 Troubleshooting Column-Type Fuel Level Senders {5574, 7481}
3126B Petroleum Engine Electronic Control Module - Remove and Install
C13 and C15 On-highway Engines Fuel Temperature Is High
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