GEAR-WORM 8X4028 - Caterpillar

The following table lists all the J1939 diagnostic trouble codes for the engine. The table includes a description for each code and the recommended troubleshooting procedure that must be performed.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
J1939 Code Description Refer to Procedure
27-3 Engine Exhaust Gas Recirculation Valve Position : Voltage Above Normal Valve Position - Test
27-4 Engine Exhaust Gas Recirculation Valve Position : Voltage Below Normal Valve Position - Test
29-3 Accelerator Pedal Position 2 : Voltage Above Normal Speed Control - Test
29-4 Accelerator Pedal Position 2 : Voltage Below Normal Speed Control - Test
51-3 Engine Throttle Valve 1 Position : Voltage Above Normal Valve Position - Test
51-4 Engine Throttle Valve 1 Position : Voltage Below Normal Valve Position - Test
91-3 Accelerator Pedal Position 1 : Voltage Above Normal Speed Control - Test
91-4 Accelerator Pedal Position 1 : Voltage Below Normal Speed Control - Test
97-15 Water in Fuel Indicator : High - least severe (1) Fuel Contains Water
100-2 Engine Oil Pressure : Erratic, Intermittent, or Incorrect Switch Circuits - Test (Oil Pressure Switch)
100-17 Engine Oil Pressure : Low - least severe (1) Oil Pressure Is Low
102-3 Engine Intake Manifold #1 Pressure : Voltage