SEAL GP-DUO-CONE 9W8878 - Caterpillar

Table 1 lists the diagnostic trouble codes that apply to the engines that are covered in this manual. Use the Cat® Electronic Technician (ET) to determine the codes that are active or logged. Then refer to the appropriate troubleshooting procedure for more information.Note: A requirement for all troubleshooting is that the troubleshooting is based on active and/or passive diagnostic trouble codes. Do not troubleshoot based on flash codes alone.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
N/A 486-3
Engine Fan Reverse Switch : Voltage Above Normal Refer to the Machine Troubleshooting Guide
N/A 486-4
Engine Fan Reverse Switch : Voltage Below Normal Refer to the Machine Troubleshooting Guide
N/A 544-2
Engine Cooling Fan Speed Sensor : Erratic, Intermittent, or Incorrect Troubleshooting, "Cooling Fan Speed - Test"
N/A 544-8
Engine Cooling Fan Speed Sensor : Abnormal Frequency, Pulse Width, or Period Troubleshooting, "Cooling Fan Speed - Test"
N/A 1076-5
Engine Cooling Fan Bypass Solenoid : Current Below Normal Troubleshooting, "Cooling Fan Control - Test"
N/A 1076-6
Engine Cooling Fan Bypass Solenoid : Current Above Normal Troubleshooting, "Cooling Fan Control - Test"
N/A 1937-2
Engine Coolant Flow Switch : Erratic, Intermittent, or Incorrect Troubleshooting, "Sensor Signal (Analog, Passive) - Test"
29-2
Accelerator Pedal Position 2 : Erratic, Intermittent, or Incorrect 774-2
Secondary Throttle Position Sensor: Erratic, Intermittent, or Incorrect Troubleshooting, "Speed Control - Test"
29-3
Accelerator Pedal Position 2 : Voltage Above Normal 774-3
Secondary Throttle Position Sensor: Voltage Above Normal Troubleshooting, "Speed Control - Test"
29-4
Accelerator Pedal Position 2 : Voltage Below Normal 774-4
Secondary Throttle Position Sensor: Voltage Below Normal Troubleshooting, "Speed Control - Test"
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"
91-2
Accelerator Pedal Position 1 : Erratic, Intermittent, or Incorrect 91-2
Throttle Position Sensor : Erratic, Intermittent, or Incorrect Troubleshooting, "Speed Control - Test"
91-3
Accelerator Pedal Position 1 : Voltage Above Normal 91-3
Throttle Position Sensor : Voltage Above Normal Troubleshooting, "Speed Control - Test"
91-4
Accelerator Pedal Position 1 : Voltage Below Normal 91-4
Throttle Position Sensor : Voltage Below Normal Troubleshooting, "Speed Control - Test"
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"
97-3
Water In Fuel Indicator : Voltage Above Normal 3547-3
Water in Fuel System Switch : Voltage Above Normal Troubleshooting, "Water in Fuel - Test"
100-3
Engine Oil Pressure : Voltage Above Normal 100-3
Engine Oil Pressure Sensor : Voltage Above Normal Troubleshooting, "Sensor Signal (Analog, Active) - Test"
100-4
Engine Oil Pressure : Voltage Below Normal 100-4
Engine Oil Pressure Sensor : Voltage Below Normal Troubleshooting, "Sensor Signal (Analog, Active) - Test"
101-3
Engine Crankcase Pressure : Voltage Above Normal 101-3
Crankcase Air Pressure Sensor : Voltage Above Normal Troubleshooting, "Sensor Signal (Analog, Active) - Test"
101-4
Engine Crankcase Pressure : Voltage