3126B Petroleum Engine Caterpillar

Problems with the electronic control system are reported via these types of codes: flash codes, SPN/FMI codes, diagnostic codes and event codes.

For information on flash codes, refer to Troubleshooting, "Flash Codes".

For information on SPN/FMI codes, refer to Troubleshooting, "Diagnostic Codes".

For information on diagnostic codes, refer to Troubleshooting, "Diagnostic Codes".

For information on event codes, refer to Troubleshooting, "Event Codes".

Use Table 1 as a cross-reference between the various types of codes.

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

Cross Reference for Diagnostic Codes
Flash Code	Diagnostic Code or Event Code	SPN/FMI Code	Description of Code
N/A	E443-1	1387-15	High Auxiliary Pressure Warning
	E443-2	1387-16	High Auxiliary Pressure Derate
	E443-3	1387-00	High Auxiliary Pressure Shutdown
	E444-1	1387-17	Low Auxiliary Pressure Warning
	E444-2	1387-18	Low Auxiliary Pressure Derate
	E444-3	1387-01	Low Auxiliary Pressure Shutdown
	E445-1	441-15	High Auxiliary Temperature Warning
	E445-2	441-16	High Auxiliary Temperature Derate
	E445-3	441-00	High Auxiliary Temperature Shutdown
	E446-1	441-17	Low Auxiliary Temperature Warning
	E446-2	441-18	Low Auxiliary Temperature Derate
	E446-3	441-01	Low Auxiliary Temperature Shutdown
15	164-02	0164-02	Injector Actuation Pressure Signal erratic
	164-03	0164-03	Injector Actuation Pressure voltage high
	164-04	0164-04	Injector Actuation Pressure voltage low
17	164-00	0164-00	High Injector Actuation Pressure
18	042-11	N/A	Injection Actuation Control Valve open/short
21	262-03	0620-03	5 Volt Sensor DC Power Supply short to +batt
	262-04	0620-04	5 Volt Sensor DC Power Supply short to ground
	263-03	0678-03	Digital Sensor Supply short to +batt
	263-04	0678-04	Digital Sensor Supply short to ground
24	100-03	0100-03	Engine Oil Pressure open/short to +batt
	100-04	0100-04	Engine Oil Pressure short to ground
25	273-03	0102-03	Turbo Outlet Pressure open/short to +batt
	273-04	0102-04	Turbo Outlet Pressure short to ground
26	274-03	0108-03	Atmospheric Pressure open/short to +batt
	274-04	0108-04	Atmospheric Pressure short to ground
27	110-03	0110-03	Engine Coolant Temperature open/short to +batt
	110-04	0110-04	Engine Coolant Temperature short to ground
28	91-13	0091-13	Throttle Position calibration required
32	91-08	0091-08	Throttle Position signal abnormal
34	320-02	0190-02	Speed/Timing Sensor Loss of Signal
	320-11	0190-11	Speed/Timing Sensor mechanical failure
	342-02	0723-02	Loss of Secondary Engine Speed signal
	342-11	0723-11	Secondary Engine Speed Sensor mechanical failure
35	E004	0190-16	Engine Overspeed Shutdown
	E190	0190-00	Engine Overspeed Warning
37	94-03	0094-03	Fuel Pressure open/short to +batt
	94-04	0094-04	Fuel Pressure short to ground
	175-03	0175-03	Engine Oil Temperature open/short to +batt
	175-04	0175-04	Engine Oil Temperature open/short to ground
38	172-03	0172-03	Intake Manifold Air Temp open/short to +batt
	172-04	0172-04	Intake Manifold Air Temp short to ground
39	164-11	0164-11	Injector Actuation Press Sensor fault
42	261-13	0228-13	Engine Timing calibration required
46	E039	0100-18	Low Engine Oil Pressure Derate
	E040	0100-01	Low Engine Oil Pressure Shutdown
	E100	0100-17	Low Engine Oil Pressure Warning
49	617-05	0729-05	Air Inlet Heater Relay open/current below normal
	617-06	0729-06	Air Inlet Heater Relay grounded/current above normal
51	168-02	0168-02	System Voltage intermittent/erratic
53	254-12	N/A	Electronic Control Module Error
56	253-02	0234-02	Personality Module mismatch
	268-02	1111-02	Check Programmable Parameters
58	247-09	0639-09	J1939 Data Link communications
61	E015	0110-16	High Engine Coolant Temperature Derate
	E016	0110-00	High Engine Coolant Temperature Shutdown
	E017	0110-15	High Engine Coolant Temperature Warning
62	E057	0111-18	Low Engine Coolant Level Derate
	E058	0111-01	Low Engine Coolant Level Shutdown
	E059	0111-17	Low Engine Coolant Level Warning
63	E005	0094-15	Fuel Filter Restriction Derate
	E006	0094-16	Fuel Filter Restriction Shutdown
	E095	0094-00	Fuel Filter Restriction Warning
	E096	0094-00	High Fuel Pressure
64	E025	0172-16	High Inlet Air Temperature Derate
	E027	0172-15	High Inlet Air Temperature Warning
72	1-11	0651-11	Injector Cylinder #1 fault
	2-11	0652-11	Injector Cylinder #2 fault
73	3-11	0653-11	Injector Cylinder #3 fault
	4-11	0654-11	Injector Cylinder #4 fault
74	5-11	0655-11	Injector Cylinder #5 fault
	6-11	0656-11	Injector Cylinder #6 fault