Diagnostic Trouble Codes
Table 1 lists the diagnostic trouble codes that apply to the engines that are covered in this manual. Use Caterpillar Electronic Technician (ET) in order to determine the diagnostic trouble codes that are active or logged. Then refer to the appropriate troubleshooting procedure for more information.
Show/hide table
| List of Diagnostic Trouble Codes | ||
|---|---|---|
| Code | Description | Troubleshooting Procedure |
| Electronic Control Module (ECM) | ||
| 17-5 | Fuel Shutoff Valve : Current Below Normal | Troubleshooting, "Fuel Control - Test" |
| 17-6 | Fuel Shutoff Valve : Current Above Normal | Troubleshooting, "Fuel Control - Test" |
| 17-12 | Fuel Shutoff Valve : Failure | Troubleshooting, "Fuel Control - Test" |
| 41-3 | 8 Volt DC Supply : Voltage Above Normal | Troubleshooting, "Sensor Supply - Test" |
| 41-4 | 8 Volt DC Supply : Voltage Below Normal | Troubleshooting, "Sensor Supply - Test" |
| 100-3 | Engine Oil Pressure Sensor : Voltage Above Normal | Troubleshooting, "Sensor Signal (Analog, Active) - Test" |
| 100-4 | Engine Oil Pressure Sensor : Voltage Below Normal | Troubleshooting, "Sensor Signal (Analog, Active) - Test" |
| 106-3 | Air Inlet Pressure Sensor : Voltage Above Normal | Troubleshooting, "Sensor Signal (PWM) - Test" |
| 106-4 | Air Inlet Pressure Sensor : Voltage Below Normal | Troubleshooting, "Sensor Signal (PWM) - Test" |
| 106-8 | Air Inlet Pressure Sensor : Abnormal Frequency, Pulse Width, or Period | Troubleshooting, "Sensor Signal (PWM) - Test" |
| 109-3 | Engine Coolant Outlet Pressure Sensor : Voltage Above Normal | Troubleshooting, "Sensor Signal (PWM) - Test" |
| 109-8 | Engine Coolant Outlet Pressure Sensor : Abnormal Frequency, Pulse Width, or Period | Troubleshooting, "Sensor Signal (PWM) - Test" |
| 110-3 | Engine Coolant Temperature Sensor : Voltage Above Normal | Troubleshooting, "Sensor Signal (Analog, Passive) - Test" |
| 110-4 | Engine Coolant Temperature Sensor : Voltage Below Normal | Troubleshooting, "Sensor Signal (Analog, Passive) - Test" |
| 145-3 | 12 Volt DC Power Supply : Voltage Above Normal | Troubleshooting, "Sensor Supply - Test" |
| 145-4 | 12 Volt DC Power Supply : Voltage Below Normal | Troubleshooting, "Sensor Supply - Test" |
| 168-2 | Electrical System Voltage : Erratic, Intermittent, or Incorrect | Troubleshooting, "Electrical Power Supply - Test" |
| 172-3 | Intake Manifold Air Temperature Sensor : Voltage Above Normal | Troubleshooting, "Sensor Signal (Analog, Active) - Test" |
| 172-4 | Intake Manifold Air Temperature Sensor : Voltage Below Normal | Troubleshooting, "Sensor Signal (Analog, Active) - Test" |
| 175-3 | Engine Oil Temperature Sensor : Voltage Above Normal | Troubleshooting, "Sensor Signal (Analog, Active) - Test" |
| 175-4 | Engine Oil Temperature Sensor : Voltage Below Normal | Troubleshooting, "Sensor Signal (Analog, Active) - Test" |
| 253-2 | Personality Module : Erratic, Intermittent, or Incorrect | Troubleshooting, "ECM - Replace" |
| 253-11 | Personality Module : Other Failure Mode | Troubleshooting, "ECM - Replace" |
| 254-9 | Electronic Control Module : Abnormal Update Rate | Troubleshooting, "Cat Data Link - Test" |
| 261-13 | Engine Timing Calibration : Calibration Required | Troubleshooting, "Timing - Calibrate" |
| 262-3 | 5 Volt Sensor DC Power Supply : Voltage Above Normal | Troubleshooting, "Sensor Supply - Test" |
| 262-4 | 5 Volt Sensor DC Power Supply : Voltage Below Normal | Troubleshooting, "Sensor Supply - Test" |
| 301-5 | Ignition Transformer Primary #1 : Current Below Normal | Troubleshooting, "Ignition Primary - Test" |
| 301-6 | Ignition Transformer Primary #1 : Current Above Normal | Troubleshooting, "Ignition Primary - Test" |
| 302-5 | Ignition Transformer Primary #2 : Current Below Normal | Troubleshooting, "Ignition Primary - Test" |
| 302-6 | Ignition Transformer Primary #2 : Current Above Normal | Troubleshooting, "Ignition Primary - Test" |
| 303-5 | Ignition Transformer Primary #3 : Current Below Normal | Troubleshooting, "Ignition Primary - Test" |
| 303-6 | Ignition Transformer Primary #3 : Current Above Normal | Troubleshooting, "Ignition Primary - Test" |
| 304-5 | Ignition Transformer Primary #4 : Current Below Normal | Troubleshooting, "Ignition Primary - Test" |
| 304-6 | Ignition Transformer Primary #4 : Current Above Normal | Troubleshooting, "Ignition Primary - Test" |
| 305-5 | Ignition Transformer Primary #5 : Current Below Normal | Troubleshooting, "Ignition Primary - Test" |
| 305-6 | Ignition Transformer Primary #5 : Current Above Normal | Troubleshooting, "Ignition Primary - Test" |
| 306-5 | Ignition Transformer Primary #6 : Current Below Normal | Troubleshooting, "Ignition Primary - Test" |
| 306-6 | Ignition Transformer Primary #6 : Current Above Normal | Troubleshooting, "Ignition Primary - Test" |
| 307-5 | Ignition Transformer Primary #7 : Current Below Normal | Troubleshooting, "Ignition Primary - Test" |
| 307-6 | Ignition Transformer Primary #7 : Current Above Normal | Troubleshooting, "Ignition Primary - Test" |
| 308-5 | Ignition Transformer Primary #8 : Current Below Normal | Troubleshooting, "Ignition Primary - Test" |
| 308-6 | Ignition Transformer Primary #8 : Current Above Normal | Troubleshooting, "Ignition Primary - Test" |
| 309-5 | Ignition Transformer Primary #9 : Current Below Normal | Troubleshooting, "Ignition Primary - Test" |
| 309-6 | Ignition Transformer Primary #9 : Current Above Normal | Troubleshooting, "Ignition Primary - Test" |
| 310-5 | Ignition Transformer Primary #10 : Current Below Normal | Troubleshooting, "Ignition Primary - Test" |
| 310-6 | Ignition Transformer Primary #10 : Current Above Normal | Troubleshooting, "Ignition Primary - Test" |
| 311-5 | Ignition Transformer Primary #11 : Current Below Normal | Troubleshooting, "Ignition Primary - Test" |
| 311-6 | Ignition Transformer Primary #11 : Current Above Normal | Troubleshooting, "Ignition Primary - Test" |
| 312-5 | Ignition Transformer Primary #12 : Current Below Normal | Troubleshooting, "Ignition Primary - Test" |
| 312-6 | Ignition Transformer Primary #12 : Current Above Normal | Troubleshooting, "Ignition Primary - Test" |
| 320-3 | Speed/Timing Sensor short to +batt | Troubleshooting, "Speed/Timing - Test" |
| 320-7 | Speed/Timing Sensor improper response | Troubleshooting, "Speed/Timing - Test" |
| 320-8 | Engine Speed/Timing signal abnormal | Troubleshooting, "Speed/Timing - Test" |
| 323-3 | Engine Shutdown Lamp : Voltage Above Normal | Troubleshooting, "Indicator Lamp - Test" |
| 324-3 | Warning Lamp (Action) : Voltage Above Normal | Troubleshooting, "Indicator Lamp - Test" |
| 336-2 | Engine Control Switch : Erratic, Intermittent, or Incorrect | Troubleshooting, "Electrical Power Supply - Test" |
| 401-5 | Ignition Transformer Secondary #1 : Current Below Normal | Troubleshooting, "Ignition Secondary - Test" |
| 401-6 | Ignition Transformer Secondary #1 : Current Above Normal | Troubleshooting, "Ignition Secondary - Test" |
| 402-5 | Ignition Transformer Secondary #2 : Current Below Normal | Troubleshooting, "Ignition Secondary - Test" |
| 402-6 | Ignition Transformer Secondary #2 : Current Above Normal | Troubleshooting, "Ignition Secondary - Test" |
| 403-5 | Ignition Transformer Secondary #3 : Current Below Normal | Troubleshooting, "Ignition Secondary - Test" |
| 403-6 | Ignition Transformer Secondary #3 : Current Above Normal | Troubleshooting, "Ignition Secondary - Test" |
| 404-5 | Ignition Transformer Secondary #4 : Current Below Normal | Troubleshooting, "Ignition Secondary - Test" |
| 404-6 | Ignition Transformer Secondary #4 : Current Above Normal | Troubleshooting, "Ignition Secondary - Test" |
| 405-5 | Ignition Transformer Secondary #5 : Current Below Normal | Troubleshooting, "Ignition Secondary - Test" |
| 405-6 | Ignition Transformer Secondary #5 : Current Above Normal | Troubleshooting, "Ignition Secondary - Test" |
| 406-5 | Ignition Transformer Secondary #6 : Current Below Normal | Troubleshooting, "Ignition Secondary - Test" |
| 406-6 | Ignition Transformer Secondary #6 : Current Above Normal | Troubleshooting, "Ignition Secondary - Test" |
| 407-5 | Ignition Transformer Secondary #7 : Current Below Normal | Troubleshooting, "Ignition Secondary - Test" |
| 407-6 | Ignition Transformer Secondary #7 : Current Above Normal | Troubleshooting, "Ignition Secondary - Test" |
| 408-5 | Ignition Transformer Secondary #8 : Current Below Normal | Troubleshooting, "Ignition Secondary - Test" |
| 408-6 | Ignition Transformer Secondary #8 : Current Above Normal | Troubleshooting, "Ignition Secondary - Test" |
| 409-5 | Ignition Transformer Secondary #9 : Current Below Normal | Troubleshooting, "Ignition Secondary - Test" |
| 409-6 | Ignition Transformer Secondary #9 : Current Above Normal | Troubleshooting, "Ignition Secondary - Test" |
| 410-5 | Ignition Transformer Secondary #10 : Current Below Normal | Troubleshooting, "Ignition Secondary - Test" |
| 410-6 | Ignition Transformer Secondary #10 : Current Above Normal | Troubleshooting, "Ignition Secondary - Test" |
| 411-5 | Ignition Transformer Secondary #11 : Current Below Normal | Troubleshooting, "Ignition Secondary - Test" |
| 411-6 | Ignition Transformer Secondary #11 : Current Above Normal | Troubleshooting, "Ignition Secondary - Test" |
| 412-5 | Ignition Transformer Secondary #12 : Current Below Normal | Troubleshooting, "Ignition Secondary - Test" |
| 412-6 | Ignition Transformer Secondary #12 : Current Above Normal | Troubleshooting, "Ignition Secondary - Test" |
| 443-3 | Crank Terminate Relay : Voltage Above Normal | Troubleshooting, "Indicator Lamp - Test" |
| 444-5 | Starter Motor Relay : Current Below Normal | Troubleshooting, "Starting - Test" |
| 444-6 | Starter Motor Relay : Current Above Normal | Troubleshooting, "Starting - Test" |
| 445-3 | Run Relay : Voltage Above Normal | Troubleshooting, "Indicator Lamp - Test" |
| 524-3 | Desired Engine Speed Sensor : Voltage Above Normal | Troubleshooting, "Speed Control - Test" |
| 524-4 | Desired Engine Speed Sensor : Voltage Below Normal | Troubleshooting, "Speed Control - Test" |
| 542-3 | Engine Oil Pressure Sensor - Before Oil Filter : Voltage Above Normal | Troubleshooting, "Sensor Signal (Analog, Active) - Test" |
| 542-4 | Engine Oil Pressure Sensor - Before Oil Filter : Voltage Below Normal | Troubleshooting, "Sensor Signal (Analog, Active) - Test" |
| 1042-9 | ITSM : Abnormal Update Rate | Troubleshooting, "Cat Data Link - Test" |
| 1167-02 | EPG Circuit Breaker : Erratic, Intermittent, or Incorrect | Troubleshooting, "EPG Circuit Breaker - Test" |
| 1440-9 | Throttle Actuator : Abnormal Update Rate | Troubleshooting, "Throttle Actuator - Test" |
| 1440-11 | Throttle Actuator invalid | Troubleshooting, "Throttle Actuator - Test" |
| 1440-12 | Throttle Actuator : Failure | Troubleshooting, "Throttle Actuator - Test" |
| 1446-5 | Fuel Metering Module : Current Below Normal | Troubleshooting, "Fuel Metering Valve - Test" |
| 1446-9 | Fuel Metering Module : Abnormal Update Rate | Troubleshooting, "Fuel Metering Valve - Test" |
| 1446-12 | Fuel Metering Module : Failure | Troubleshooting, "Fuel Metering Valve - Test" |
| 1446-13 | Fuel Metering Module : Calibration Required | Troubleshooting, "Fuel Metering Valve - Test" |
| 1447-12 | Fuel Metering Sensor Module : Failure | Troubleshooting, "Fuel Metering Valve - Test" |
| 1501-3 | Cylinder #1 Detonation Sensor : Voltage Above Normal | Troubleshooting, "Detonation - Test" |
| 1501-4 | Cylinder #1 Detonation Sensor : Voltage Below Normal | Troubleshooting, "Detonation - Test" |
| 1502-3 | Cylinder #2 Detonation Sensor : Voltage Above Normal | Troubleshooting, "Detonation - Test" |
| 1502-4 | Cylinder #2 Detonation Sensor : Voltage Below Normal | Troubleshooting, "Detonation - Test" |
| 1505-3 | Cylinder #5 Detonation Sensor : Voltage Above Normal | Troubleshooting, "Detonation - Test" |
| 1505-4 | Cylinder #5 Detonation Sensor : Voltage Below Normal | Troubleshooting, "Detonation - Test" |
| 1506-3 | Cylinder #6 Detonation Sensor : Voltage Above Normal | Troubleshooting, "Detonation - Test" |
| 1506-4 | Cylinder #6 Detonation Sensor : Voltage Below Normal | Troubleshooting, "Detonation - Test" |
| 1509-3 | Cylinder #9 Detonation Sensor : Voltage Above Normal | Troubleshooting, "Detonation - Test" |
| 1509-4 | Cylinder #9 Detonation Sensor : Voltage Below Normal | Troubleshooting, "Detonation - Test" |
| 1510-3 | Cylinder #10 Detonation Sensor : Voltage Above Normal | Troubleshooting, "Detonation - Test" |
| 1510-4 | Cylinder #10 Detonation Sensor : Voltage Below Normal | Troubleshooting, "Detonation - Test" |
| 1719-3 | Generator Output Power Sensor : Voltage Above Normal | Troubleshooting, "Generator Output Power - Test" |
| 1719-9 | Generator Output Power Sensor : Abnormal Update Rate | Troubleshooting, "Generator Output Power - Test" |
| 1719-12 | Generator Output Power Sensor : Failure | Troubleshooting, "Generator Output Power - Test" |
| 1720-9 | Turbocharger Compressor Bypass Valve Actuator : Abnormal Update Rate | Troubleshooting, "Turbocharger Compressor Bypass - Test" |
| 1720-11 | Turbocharger Compressor Bypass Valve Actuator invalid | Troubleshooting, "Turbocharger Compressor Bypass - Test" |
| 1720-12 | Turbocharger Compressor Bypass Valve Actuator : Failure | Troubleshooting, "Turbocharger Compressor Bypass - Test" |
| 2449-5 | Fuel Quality Sensor : Current Below Normal | Troubleshooting, "Sensor Signal (Analog, Active) - Test" |
| 2449-6 | Fuel Quality Sensor : Current Above Normal | Troubleshooting, "Sensor Signal (Analog, Active) - Test" |
| 3032-3 | Turbocharger Compressor Outlet Temperature Sensor : Voltage Above Normal | Troubleshooting, "Sensor Signal (PWM) - Test" |
| 3032-4 | Turbocharger Compressor Outlet Temperature Sensor : Voltage Below Normal | Troubleshooting, "Sensor Signal (PWM) - Test" |
| 3032-8 | Turbocharger Compressor Outlet Temperature Sensor : Abnormal Frequency, Pulse Width, or Period | Troubleshooting, "Sensor Signal (PWM) - Test" |
| 3185-3 | Engine Throttle Valve Differential Pressure Sensor : Voltage Above Normal | Troubleshooting, "Sensor Signal (Analog, Active) - Test" |
| 3185-4 | Engine Throttle Valve Differential Pressure Sensor : Voltage Below Normal | Troubleshooting, "Sensor Signal (Analog, Active) - Test" |
| 3185-12 | Engine Throttle Valve Differential Pressure Sensor : Failure | Troubleshooting, "Sensor Signal (Analog, Active) - Test" |
| 3282-3 | Turbocharger Compressor Outlet Pressure Sensor : Voltage Above Normal | Troubleshooting, "Sensor Signal (PWM) - Test" |
| 3282-4 | Turbocharger Compressor Outlet Pressure Sensor : Voltage Below Normal | Troubleshooting, "Sensor Signal (PWM) - Test" |
| 3282-8 | Turbocharger Compressor Outlet Pressure Sensor : Abnormal Frequency, Pulse Width, or Period | Troubleshooting, "Sensor Signal (PWM) - Test" |
| Integrated Temperature Sensing Module (ITSM) | ||
| 591-12 | EEPROM checksum fault or ECM not programmed | Replace the ITSM. Troubleshooting, "Control Module - Replace" |
| 1489-3 | Left Turbo Turbine Outlet Temperature Sensor : Voltage Above Normal | Troubleshooting, "Integrated Temperature Sensing Module - Test" |
| 1489-4 | Left Turbo Turbine Outlet Temperature Sensor : Voltage Below Normal | Troubleshooting, "Integrated Temperature Sensing Module - Test" |
| 1489-5 | Left Turbo Turbine Outlet Temperature Sensor : Current Below Normal | Troubleshooting, "Integrated Temperature Sensing Module - Test" |
| 1491-3 | Right Turbo Turbine Inlet Temperature Sensor : Voltage Above Normal | Troubleshooting, "Integrated Temperature Sensing Module - Test" |
| 1491-4 | Right Turbo Turbine Inlet Temperature Sensor : Voltage Below Normal | Troubleshooting, "Integrated Temperature Sensing Module - Test" |
| 1491-5 | Right Turbo Turbine Inlet Temperature Sensor : Current Below Normal | Troubleshooting, "Integrated Temperature Sensing Module - Test" |
| 1492-3 | Left Turbo Turbine Inlet Temperature Sensor : Voltage Above Normal | Troubleshooting, "Integrated Temperature Sensing Module - Test" |
| 1492-4 | Left Turbo Turbine Inlet Temperature Sensor : Voltage Below Normal | Troubleshooting, "Integrated Temperature Sensing Module - Test" |
| 1492-5 | Left Turbo Turbine Inlet Temperature Sensor : Current Below Normal | Troubleshooting, "Integrated Temperature Sensing Module - Test" |
| 1531-3 | Engine Cylinder #1 Exhaust Port Temperature Sensor : Voltage Above Normal | Troubleshooting, "Integrated Temperature Sensing Module - Test" |
| 1531-4 | Engine Cylinder #1 Exhaust Port Temperature Sensor : Voltage Below Normal | Troubleshooting, "Integrated Temperature Sensing Module - Test" |
| 1531-5 | Engine Cylinder #1 Exhaust Port Temperature Sensor : Current Below Normal | Troubleshooting, "Integrated Temperature Sensing Module - Test" |
| 1532-3 | Engine Cylinder #2 Exhaust Port Temperature Sensor : Voltage Above Normal | Troubleshooting, "Integrated Temperature Sensing Module - Test" |
| 1532-4 | Engine Cylinder #2 Exhaust Port Temperature Sensor : Voltage Below Normal | Troubleshooting, "Integrated Temperature Sensing Module - Test" |
| 1532-5 | Engine Cylinder #2 Exhaust Port Temperature Sensor : Current Below Normal | Troubleshooting, "Integrated Temperature Sensing Module - Test" |
| 1533-3 | Engine Cylinder #3 Exhaust Port Temperature Sensor : Voltage Above Normal | Troubleshooting, "Integrated Temperature Sensing Module - Test" |
| 1533-4 | Engine Cylinder #3 Exhaust Port Temperature Sensor : Voltage Below Normal | Troubleshooting, "Integrated Temperature Sensing Module - Test" |
| 1533-5 | Engine Cylinder #3 Exhaust Port Temperature Sensor : Current Below Normal | Troubleshooting, "Integrated Temperature Sensing Module - Test" |
| 1534-3 | Engine Cylinder #4 Exhaust Port Temperature Sensor : Voltage Above Normal | Troubleshooting, "Integrated Temperature Sensing Module - Test" |
| 1534-4 | Engine Cylinder #4 Exhaust Port Temperature Sensor : Voltage Below Normal | Troubleshooting, "Integrated Temperature Sensing Module - Test" |
| 1534-5 | Engine Cylinder #4 Exhaust Port Temperature Sensor : Current Below Normal | Troubleshooting, "Integrated Temperature Sensing Module - Test" |
| 1535-3 | Engine Cylinder #5 Exhaust Port Temperature Sensor : Voltage Above Normal | Troubleshooting, "Integrated Temperature Sensing Module - Test" |
| 1535-4 | Engine Cylinder #5 Exhaust Port Temperature Sensor : Voltage Below Normal | Troubleshooting, "Integrated Temperature Sensing Module - Test" |
| 1535-5 | Engine Cylinder #5 Exhaust Port Temperature Sensor : Current Below Normal | Troubleshooting, "Integrated Temperature Sensing Module - Test" |
| 1536-3 | Engine Cylinder #6 Exhaust Port Temperature Sensor : Voltage Above Normal | Troubleshooting, "Integrated Temperature Sensing Module - Test" |
| 1536-4 | Engine Cylinder #6 Exhaust Port Temperature Sensor : Voltage Below Normal | Troubleshooting, "Integrated Temperature Sensing Module - Test" |
| 1536-5 | Engine Cylinder #6 Exhaust Port Temperature Sensor : Current Below Normal | Troubleshooting, "Integrated Temperature Sensing Module - Test" |
| 1537-3 | Engine Cylinder #7 Exhaust Port Temperature Sensor : Voltage Above Normal | Troubleshooting, "Integrated Temperature Sensing Module - Test" |
| 1537-4 | Engine Cylinder #7 Exhaust Port Temperature Sensor : Voltage Below Normal | Troubleshooting, "Integrated Temperature Sensing Module - Test" |
| 1537-5 | Engine Cylinder #7 Exhaust Port Temperature Sensor : Current Below Normal | Troubleshooting, "Integrated Temperature Sensing Module - Test" |
| 1538-3 | Engine Cylinder #8 Exhaust Port Temperature Sensor : Voltage Above Normal | Troubleshooting, "Integrated Temperature Sensing Module - Test" |
| 1538-4 | Engine Cylinder #8 Exhaust Port Temperature Sensor : Voltage Below Normal | Troubleshooting, "Integrated Temperature Sensing Module - Test" |
| 1538-5 | Engine Cylinder #8 Exhaust Port Temperature Sensor : Current Below Normal | Troubleshooting, "Integrated Temperature Sensing Module - Test" |
| 1539-3 | Engine Cylinder #9 Exhaust Port Temperature Sensor : Voltage Above Normal | Troubleshooting, "Integrated Temperature Sensing Module - Test" |
| 1539-4 | Engine Cylinder #9 Exhaust Port Temperature Sensor : Voltage Below Normal | Troubleshooting, "Integrated Temperature Sensing Module - Test" |
| 1539-5 | Engine Cylinder #9 Exhaust Port Temperature Sensor : Current Below Normal | Troubleshooting, "Integrated Temperature Sensing Module - Test" |
| 1540-3 | Engine Cylinder #10 Exhaust Port Temperature Sensor : Voltage Above Normal | Troubleshooting, "Integrated Temperature Sensing Module - Test" |
| 1540-4 | Engine Cylinder #10 Exhaust Port Temperature Sensor : Voltage Below Normal | Troubleshooting, "Integrated Temperature Sensing Module - Test" |
| 1540-5 | Engine Cylinder #10 Exhaust Port Temperature Sensor : Current Below Normal | Troubleshooting, "Integrated Temperature Sensing Module - Test" |
| 1541-3 | Engine Cylinder #11 Exhaust Port Temperature Sensor : Voltage Above Normal | Troubleshooting, "Integrated Temperature Sensing Module - Test" |
| 1541-4 | Engine Cylinder #11 Exhaust Port Temperature Sensor : Voltage Below Normal | Troubleshooting, "Integrated Temperature Sensing Module - Test" |
| 1541-5 | Engine Cylinder #11 Exhaust Port Temperature Sensor : Current Below Normal | Troubleshooting, "Integrated Temperature Sensing Module - Test" |
| 1542-3 | Engine Cylinder #12 Exhaust Port Temperature Sensor : Voltage Above Normal | Troubleshooting, "Integrated Temperature Sensing Module - Test" |
| 1542-4 | Engine Cylinder #12 Exhaust Port Temperature Sensor : Voltage Below Normal | Troubleshooting, "Integrated Temperature Sensing Module - Test" |
| 1542-5 | Engine Cylinder #12 Exhaust Port Temperature Sensor : Current Below Normal | Troubleshooting, "Integrated Temperature Sensing Module - Test" |
Caterpillar Information System:
G3300 Engines Manual Stop Procedure
C9.3 Engines for Caterpillar Built Machines Combustion Head - Remove and Install - Clean Emissions Module
C9.3 Engines for Caterpillar Built Machines Air Control Valve - Remove and Install
C9.3 Engines for Caterpillar Built Machines Relay (ARD Nozzle Heater) - Remove and Install - Clean Emissions Module
C9.3 Engines for Caterpillar Built Machines Ignition Coil - Remove and Install - Clean Emissions Module
793F and 797F Off-Highway Trucks Braking System MID 116 - CID 0766 - FMI 02
CX31-P600 Petroleum Transmission Well Servicing Engine, Torque Converter and Transmission - Connect
C13, C15, and C18 Tier 4 Interim Engines Crankcase Pressure Is Low
CX31-P600 Petroleum Transmission Well Servicing Engine, Torque Converter, and Transmission - Separate
C9.3 Industrial Engine Fuel Manifold - Remove and Install - Clean Emissions Module
2009/06/29 A Spring has been Added to the Ignition Transformer on G3400 and G3500 Engines {1550}
797F and 797F XQ Off-Highway Truck Power Train Final Drive
3500 Engines Aftercooler - Remove and Install
2009/09/07 Updated Information on the Starter Motor Mag Switch (SMMS) for Electronic Controlled Marine Engines {1424, 1453, 7499}
G3512E Generator Set Engine Configuration Parameters
Quick Start Guide for Auto Paralleling{4450, 7451} Quick Start Guide for Auto Paralleling{4450, 7451}
C9.3 Engines for Caterpillar Built Machines Nozzle Heater Harness - Remove and Install - Harness Assembly
C3.4B Engines for Caterpillar Built Machines Piston Ring Groove - Inspect
C4.4 Industrial Engine Piston Height - Inspect
793F CMD Off-Highway Truck (Command for Hauling) Power Train Electronic Control System Machine Does Not Move
793F CMD Off-Highway Truck (Command for Hauling) Power Train Electronic Control System Hoist Does Not Function
C13, C15, and C18 Tier 4 Interim Engines Sensor Supply - Test
793F CMD Off-Highway Truck (Command for Hauling) Power Train Electronic Control System Machine Pulls to Side During Braking
793F CMD (Conversion) Off-Highway Truck Braking System Parking Brake Does Not Hold