DISC 8D8794 - Caterpillar

Diagnostic Trouble Codes
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 and Description CDL Code and Description Troubleshooting Procedure Flash Codes
29-2
Accelerator Pedal Position 2 : Erratic, Intermittent, or Incorrect 774-2
Secondary Throttle Position Sensor:Erratic, Intermittent, or Incorrect Troubleshooting, "Speed Control - Test" N/A
29-3
Accelerator Pedal Position 2 : Voltage Above Normal 774-3
Secondary Throttle Position Sensor:Voltage Above Normal Troubleshooting, "Speed Control - Test" N/A
29-4
Accelerator Pedal Position 2 : Voltage Below Normal 774-4
Secondary Throttle Position Sensor:Voltage Below Normal Troubleshooting, "Speed Control - Test" N/A
29-8
Accelerator Pedal Position 2 : Abnormal Frequency, Pulse Width, or Period 774-8
Secondary Throttle Position Sensor:Abnormal Frequency, Pulse Width, or Period Troubleshooting, "Speed Control - Test" N/A
91-2
Accelerator Pedal Position 1 : Erratic, Intermittent, or Incorrect 91-2
Throttle Position Sensor : Erratic, Intermittent, or Incorrect Troubleshooting, "Speed Control - Test" N/A
91-3
Accelerator Pedal Position 1 : Voltage Above Normal 91-3
Throttle Position Sensor : Voltage Above Normal Troubleshooting, "Speed Control - Test" N/A
91-4
Accelerator Pedal Position 1 : Voltage Below Normal 91-4
Throttle Position Sensor : Voltage Below Normal Troubleshooting, "Speed Control - Test" N/A
91-8
Accelerator Pedal Position 1 : Abnormal Frequency, Pulse Width, or Period 91-8
Throttle Position Sensor : Abnormal Frequency, Pulse Width, or Period Troubleshooting, "Speed Control - Test" N/A
100-3
Engine Oil Pressure : Voltage Above Normal 100-3
Engine Oil Pressure Sensor : Voltage Above Normal