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.
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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 |
Troubleshooting, "Sensor Signal (Analog, Active) - Test" | 152 |
100-4
Engine Oil Pressure : Voltage Below Normal |
100-4
Engine Oil Pressure Sensor : Voltage Below Normal |
Troubleshooting, "Sensor Signal (Analog, Active) - Test" | 152 |
100-13
Engine Oil Pressure : Calibration Required |
100-13
Engine Oil Pressure Sensor : Calibration Required |
Troubleshooting, "Sensor Calibration Required - Test" | 197 |
101-3
Engine Crankcase Pressure : Voltage Above Normal |
101-3
Crankcase Air Pressure Sensor : Voltage Above Normal |
Troubleshooting, "Sensor Signal (Analog, Active) - Test" | N/A |
101-4
Engine Crankcase Pressure : Voltage Below Normal |
101-4
Crankcase Air Pressure Sensor : Voltage Below Normal |
Troubleshooting, "Sensor Signal (Analog, Active) - Test" | N/A |
101-13
Engine Crankcase Pressure : Calibration Required |
101-13
Crankcase Air Pressure Sensor : Calibration Required |
Troubleshooting, "Sensor Calibration Required - Test" | N/A |
108-3
Barometric Pressure : Voltage Above Normal |
274-3
Atmospheric Pressure Sensor : Voltage Above Normal |
Troubleshooting, "Sensor Signal (Analog, Active) - Test" | 152 |
108-4
Barometric Pressure : Voltage Below Normal |
274-4
Atmospheric Pressure Sensor : Voltage Below Normal |
Troubleshooting, "Sensor Signal (Analog, Active) - Test" | 152 |
108-13
Barometric Pressure : Calibration Required |
274-13
Atmospheric Pressure Sensor : Calibration Required |
Troubleshooting, "Sensor Calibration Required - Test" | 197 |
108-21
Barometric Pressure : Data Drifted Low |
274-21
Atmospheric Pressure Sensor:Data Drifted Low |
Troubleshooting, "Sensor Supply - Test" | N/A |
110-3
Engine Coolant Temperature : Voltage Above Normal |
110-3
Engine Coolant Temperature Sensor : Voltage Above Normal |
Troubleshooting, "Sensor Signal (Analog, Passive) - Test" | 133 |
110-4
Engine Coolant Temperature : Voltage Below Normal |
110-4
Engine Coolant Temperature Sensor : Voltage Below Normal |
Troubleshooting, "Sensor Signal (Analog, Passive) - Test" | 133 |
158-2
Keyswitch Battery Potential : Erratic, Intermittent, or Incorrect |
1834-2
Ignition Key Switch loss of signal |
Troubleshooting, "Electrical Power Supply - Test" | 439 |
168-2
Battery Potential / Power Input 1 : Erratic, Intermittent, or Incorrect |
168-2
Electrical System Voltage : Erratic, Intermittent, or Incorrect |
Troubleshooting, "Electrical Power Supply - Test" | 422 |
168-3
Battery Potential / Power Input 1 : Voltage Above Normal |
168-3
Electrical System Voltage : Voltage Above Normal |
Troubleshooting, "Electrical Power Supply - Test" | 422 |
168-4
Battery Potential / Power Input 1 : Voltage Below Normal |
168-4
Electrical System Voltage : Voltage Below Normal |
Troubleshooting, "Electrical Power Supply - Test" | 422 |
172-3
Engine Air Inlet Temperature : Voltage Above Normal |
2526-3
Air Inlet Temperature Sensor : Voltage Above Normal |
Troubleshooting, "Sensor Signal (Analog, Passive) - Test" | 133 |
172-4
Engine Air Inlet Temperature : Voltage Below Normal |
2526-4
Air Inlet Temperature Sensor : Voltage Below Normal |
Troubleshooting, "Sensor Signal (Analog, Passive) - Test" | 133 |
174-3
Engine Fuel Temperature 1 : Voltage Above Normal |
174-3
Fuel Temperature Sensor : Voltage Above Normal |
Troubleshooting, "Sensor Signal (Analog, Passive) - Test" | 165 |
174-4
Engine Fuel Temperature 1 : Voltage Below Normal |
174-4
Fuel Temperature Sensor : Voltage Below Normal |
Troubleshooting, "Sensor Signal (Analog, Passive) - Test" | 165 |
190-8
Engine Speed : Abnormal Frequency, Pulse Width, or Period |
190-8
Engine Speed Sensor : Abnormal Frequency, Pulse Width, or Period |
Troubleshooting, "Speed/Timing - Test" | 141 |
411-3
Engine Exhaust Gas Recirculation Differential Pressure : Voltage Above Normal |
3387-3
EGR Differential Pressure Sensor : Voltage Above Normal |
Troubleshooting, "Sensor Signal (Analog, Active) - Test" | N/A |
411-4
Engine Exhaust Gas Recirculation Differential Pressure : Voltage Below Normal |
3387-4
EGR Differential Pressure Sensor : Voltage Below Normal |
Troubleshooting, "Sensor Signal (Analog, Active) - Test" | N/A |
411-13
Engine Exhaust Gas Recirculation Differential Pressure : Calibration Required |
3387-13
EGR Differential Pressure Sensor : Calibration Required |
Troubleshooting, "Sensor Calibration Required - Test" | N/A |
412-3
Engine Exhaust Gas Recirculation Temperature : Voltage Above Normal |
3386-3
EGR Temperature Sensor : Voltage Above Normal |
Troubleshooting, "Sensor Signal (Analog, Passive) - Test" | N/A |
412-4
Engine Exhaust Gas Recirculation Temperature : Voltage Below Normal |
3386-4
EGR Temperature Sensor : Voltage Below Normal |
Troubleshooting, "Sensor Signal (Analog, Passive) - Test" | N/A |
544-8
Engine Cooling Fan Speed Sensor : Abnormal Frequency, Pulse Width, or Period |
N/A | This code indicates that the fans actual speed does not match the desired fan speed. Refer to the appropriate troubleshooting information for additional information. | N/A |
626-5
Engine Start Enable Device 1 : Current Below Normal |
2417-5
Ether Injection Control Solenoid : Current Below Normal |
Troubleshooting, "Ether Starting Aid - Test" | N/A |
626-6
Engine Start Enable Device 1 : Current Above Normal |
2417-6
Ether Injection Control Solenoid : Current Above Normal |
Troubleshooting, "Ether Starting Aid - Test" | N/A |
630-2
Calibration Memory : Erratic, Intermittent, or Incorrect |
268-2
Programmed Parameter Fault : Erratic, Intermittent, or Incorrect |
Troubleshooting, "Configuration Parameters" | 527 |
631-2
Calibration Module : Erratic, Intermittent, or Incorrect |
253-2
Personality Module : Erratic, Intermittent, or Incorrect |
Troubleshooting, "ECM Software - Install" | N/A |
637-11
Engine Timing Sensor : Other Failure Mode |
261-11
Engine Timing Offset fault |
Troubleshooting, "Timing - Calibrate" | 143 |
637-13
Engine Timing Sensor : Calibration Required |
261-13
Engine Timing Calibration : Calibration Required |
Troubleshooting, "Timing - Calibrate" | 143 |
651-5
Engine Injector Cylinder #01 : Current Below Normal |
1-5
Cylinder #1 Injector : Current Below Normal |
Troubleshooting, "Injector Solenoid - Test" | 111/139 |
651-6
Engine Injector Cylinder #01 : Current Above Normal |
1-6
Cylinder #1 Injector : Current Above Normal |
Troubleshooting, "Injector Solenoid - Test" | 111/139 |
652-5
Engine Injector Cylinder #02 : Current Below Normal |
2-5
Cylinder #2 Injector : Current Below Normal |
Troubleshooting, "Injector Solenoid - Test" | 112/139 |
652-6
Engine Injector Cylinder #02 : Current Above Normal |
2-6
Cylinder #2 Injector : Current Above Normal |
Troubleshooting, "Injector Solenoid - Test" | 112/139 |
653-5
Engine Injector Cylinder #03 : Current Below Normal |
3-5
Cylinder #3 Injector : Current Below Normal |
Troubleshooting, "Injector Solenoid - Test" | 113/139 |
653-6
Engine Injector Cylinder #03 : Current Above Normal |
3-6
Cylinder #3 Injector : Current Above Normal |
Troubleshooting, "Injector Solenoid - Test" | 113/139 |
654-5
Engine Injector Cylinder #04 : Current Below Normal |
4-5
Cylinder #4 Injector : Current Below Normal |
Troubleshooting, "Injector Solenoid - Test" | 114/139 |
654-6
Engine Injector Cylinder #04 : Current Above Normal |
4-6
Cylinder #4 Injector : Current Above Normal |
Troubleshooting, "Injector Solenoid - Test" | 114/139 |
655-5
Engine Injector Cylinder #05 : Current Below Normal |
5-5
Cylinder #5 Injector : Current Below Normal |
Troubleshooting, "Injector Solenoid - Test" | 115/139 |
655-6
Engine Injector Cylinder #05 : Current Above Normal |
5-6
Cylinder #5 Injector : Current Above Normal |
Troubleshooting, "Injector Solenoid - Test" | 115/139 |
656-5
Engine Injector Cylinder #06 : Current Below Normal |
6-5
Cylinder #6 Injector : Current Below Normal |
Troubleshooting, "Injector Solenoid - Test" | 116/139 |
656-6
Engine Injector Cylinder #06 : Current Above Normal |
6-6
Cylinder #6 Injector : Current Above Normal |
Troubleshooting, "Injector Solenoid - Test" | 116/139 |
677-5
Engine Starter Motor Relay : Current Below Normal |
444-5
Starter Motor Relay : Current Below Normal |
Troubleshooting, "Solenoid Valve - Test" | N/A |
677-6
Engine Starter Motor Relay : Current Above Normal |
444-6
Starter Motor Relay : Current Above Normal |
Troubleshooting, "Solenoid Valve - Test" | N/A |
678-3
ECU 8 Volts DC Supply : Voltage Above Normal |
41-3
8 Volt DC Supply : Voltage Above Normal |
Troubleshooting, "Sensor Supply - Test" | N/A |
678-4
ECU 8 Volts DC Supply : Voltage Below Normal |
41-4
8 Volt DC Supply : Voltage Below Normal |
Troubleshooting, "Sensor Supply - Test" | N/A |
723-8
Engine Speed Sensor #2 : Abnormal Frequency, Pulse Width, or Period |
342-8
Secondary Engine Speed Sensor : Abnormal Frequency, Pulse Width, or Period |
Troubleshooting, "Speed/Timing - Test" | 142 |
1072-5
Engine (Compression) Brake Output #1 : Current Below Normal |
2533-5
Compression Brake Low/High Solenoid : Current Below Normal |
Troubleshooting, "Retarder - Test" | N/A |
1072-6
Engine (Compression) Brake Output #1 : Current Above Normal |
2533-6
Compression Brake Low/High Solenoid : Current Above Normal |
Troubleshooting, "Retarder - Test" | N/A |
1073-5
Engine (Compression) Brake Output #2 : Current Below Normal |
2535-5
Compression Brake Medium/High Solenoid : Current Below Normal |
Troubleshooting, "Retarder - Test" | N/A |
1073-6
Engine (Compression) Brake Output #2 : Current Above Normal |
2535-6
Compression Brake Medium/High Solenoid : Current Above Normal |
Troubleshooting, "Retarder - Test" | N/A |
1385-3
Auxiliary Temperature #1 : Voltage Above Normal |
1836-3
Auxiliary Temperature Sensor : Voltage Above Normal |
Troubleshooting, "Sensor Signal (Analog, Passive) - Test" | N/A |
1385-4
Auxiliary Temperature #1 : Voltage Below Normal |
1836-4
Auxiliary Temperature Sensor : Voltage Below Normal |
Troubleshooting, "Sensor Signal (Analog, Passive) - Test" | N/A |
1387-3
Auxiliary Pressure #1 : Voltage Above Normal |
1835-3
Auxiliary Pressure Sensor : Voltage Above Normal |
Troubleshooting, "Sensor Signal (Analog, Active) - Test" | N/A |
1387-4
Auxiliary Pressure #1 : Voltage Below Normal |
1835-4
Auxiliary Pressure Sensor : Voltage Below Normal |
Troubleshooting, "Sensor Signal (Analog, Active) - Test" | N/A |
2630-3
Engine Charge Air Cooler Outlet Temperature : Voltage Above Normal |
3372-3
Engine Charge Air Cooler #1 Outlet Temperature Sensor : Voltage Above Normal |
Troubleshooting, "Sensor Signal (Analog, Passive) - Test" | N/A |
2630-4
Engine Charge Air Cooler Outlet Temperature : Voltage Below Normal |
3372-4
Engine Charge Air Cooler #1 Outlet Temperature Sensor : Voltage Below Normal |
Troubleshooting, "Sensor Signal (Analog, Passive) - Test" | N/A |
2791-5
Engine Exhaust Gas Recirculation (EGR) Valve Control : Current Below Normal |
3405-5
EGR Valve Control : Current Below Normal |
Troubleshooting, "Solenoid Valve - Test" | N/A |
2791-6
Engine Exhaust Gas Recirculation (EGR) Valve Control : Current Above Normal |
3405-6
EGR Valve Control : Current Above Normal |
Troubleshooting, "Solenoid Valve - Test" | N/A |
2813-5
Engine Air Shutoff Command Status : Current Below Normal |
3239-5
Air Shutoff Relay : Current Below Normal |
Troubleshooting, "Air Shutoff - Test" | N/A |
2813-6
Engine Air Shutoff Command Status : Current Above Normal |
3239-6
Air Shutoff Relay : Current Above Normal |
Troubleshooting, "Air Shutoff - Test" | N/A |
2949-5
Engine Intake Valve Actuation System Oil Pressure Control Valve : Current Below Normal |
1922-5
Intake Valve Actuation System Oil Pressure Solenoid : Current Below Normal |
Troubleshooting, "Solenoid Valve- Test" | 181 |
2949-6
Engine Intake Valve Actuation System Oil Pressure Control Valve : Current Above Normal |
1922-6
Intake Valve Actuation System Oil Pressure Solenoid : Current Above Normal |
Troubleshooting, "Solenoid Valve- Test" | 181 |
2950-5
Engine Intake Valve Actuator #1 : Current Below Normal |
1901-5
Intake Valve Actuator #1 : Current Below Normal |
Troubleshooting, "Variable Valve Actuator - Test" | N/A |
2950-6
Engine Intake Valve Actuator #1 : Current Above Normal |
1901-6
Intake Valve Actuator #1 : Current Above Normal |
Troubleshooting, "Variable Valve Actuator - Test" | N/A |
2951-5
Engine Intake Valve Actuator #2 : Current Below Normal |
1902-5
Intake Valve Actuator #2 : Current Below Normal |
Troubleshooting, "Variable Valve Actuator - Test" | N/A |
2951-6
Engine Intake Valve Actuator #2 : Current Above Normal |
1902-6
Intake Valve Actuator #2 : Current Above Normal |
Troubleshooting, "Variable Valve Actuator - Test" | N/A |
2952-5
Engine Intake Valve Actuator #3 : Current Below Normal |
1903-5
Intake Valve Actuator #3 : Current Below Normal |
Troubleshooting, "Variable Valve Actuator - Test" | N/A |
2952-6
Engine Intake Valve Actuator #3 : Current Above Normal |
1903-6
Intake Valve Actuator #3 : Current Above Normal |
Troubleshooting, "Variable Valve Actuator - Test" | N/A |
2953-5
Engine Intake Valve Actuator #4 : Current Below Normal |
1904-5
Intake Valve Actuator #4 : Current Below Normal |
Troubleshooting, "Variable Valve Actuator - Test" | N/A |
2953-6
Engine Intake Valve Actuator #4 : Current Above Normal |
1904-6
Intake Valve Actuator #4 : Current Above Normal |
Troubleshooting, "Variable Valve Actuator - Test" | N/A |
2954-5
Engine Intake Valve Actuator #5 : Current Below Normal |
1905-5
Intake Valve Actuator #5 : Current Below Normal |
Troubleshooting, "Variable Valve Actuator - Test" | N/A |
2954-6
Engine Intake Valve Actuator #5 : Current Above Normal |
1905-6
Intake Valve Actuator #5 : Current Above Normal |
Troubleshooting, "Variable Valve Actuator - Test" | N/A |
2955-5
Engine Intake Valve Actuator #6 : Current Below Normal |
1906-5
Intake Valve Actuator #6 : Current Below Normal |
Troubleshooting, "Variable Valve Actuator - Test" | N/A |
2955-6
Engine Intake Valve Actuator #6 : Current Above Normal |
1906-6
Intake Valve Actuator #6 : Current Above Normal |
Troubleshooting, "Variable Valve Actuator - Test" | N/A |
3241-3
Exhaust Gas Temperature 1 : Voltage Above Normal |
3485-3
Aftertreatment #1 Exhaust Gas Temperature #1 Sensor : Voltage Above Normal |
Troubleshooting, "Sensor Signal (Analog, Active) - Test" | 186 |
3241-4
Exhaust Gas Temperature 1 : Voltage Below Normal |
3485-4
Aftertreatment #1 Exhaust Gas Temperature #1 Sensor : Voltage Below Normal |
Troubleshooting, "Sensor Signal (Analog, Active) - Test" | 186 |
3242-3
Particulate Trap Intake Gas Temperature : Voltage Above Normal |
2452-3
DPF #1 Intake Temperature Sensor : Voltage Above Normal |
Troubleshooting, "Sensor Signal (Analog, Active) - Test" | N/A |
3242-4
Particulate Trap Intake Gas Temperature : Voltage Below Normal |
2452-4
DPF #1 Intake Temperature Sensor : Voltage Below Normal |
Troubleshooting, "Sensor Signal (Analog, Active) - Test" | N/A |
3251-2
Particulate Trap Differential Pressure : Erratic, Intermittent, or Incorrect |
2458-2
DPF #1 Differential Pressure Sensor : Erratic, Intermittent, or Incorrect |
Troubleshooting, "Sensor Signal (Analog, Active) - Test" | N/A |
3251-3
Particulate Trap Differential Pressure : Voltage Above Normal |
2458-3
DPF #1 Differential Pressure Sensor : Voltage Above Normal |
Troubleshooting, "Sensor Signal (Analog, Active) - Test" | N/A |
3251-4
Particulate Trap Differential Pressure : Voltage Below Normal |
2458-4
DPF #1 Differential Pressure Sensor : Voltage Below Normal |
Troubleshooting, "Sensor Signal (Analog, Active) - Test" | N/A |
3358-3
Engine Exhaust Gas Recirculation Inlet Pressure : Voltage Above Normal |
3385-3
EGR Intake Pressure Sensor : Voltage Above Normal |
Troubleshooting, "Sensor Signal (Analog, Active) - Test" | N/A |
3358-4
Engine Exhaust Gas Recirculation Inlet Pressure : Voltage Below Normal |
3385-4
EGR Intake Pressure Sensor : Voltage Below Normal |
Troubleshooting, "Sensor Signal (Analog, Active) - Test" | N/A |
3358-13
Engine Exhaust Gas Recirculation Inlet Pressure : Calibration Required |
3385-13
EGR Intake Pressure Sensor : Calibration Required |
Troubleshooting, "Sensor Calibration Required - Test" | 197 |
3358-21
Engine Exhaust Gas Recirculation Inlet Pressure : Data Drifted Low |
3385-21
EGR Intake Pressure Sensor : Data Drifted Low |
Troubleshooting, "Sensor Supply - Test" | N/A |
3479-5
Aftertreatment #1 Fuel Pressure Control : Current Below Normal |
2461-5
ARD Fuel Pressure #1 Control : Current Below Normal |
Troubleshooting, "Solenoid Valve - Test" | N/A |
3479-6
Aftertreatment #1 Fuel Pressure Control : Current Above Normal |
2461-6
ARD Fuel Pressure #1 Control : Current Above Normal |
Troubleshooting, "Solenoid Valve - Test" | N/A |
3480-3
Aftertreatment #1 Fuel Pressure #1 : Voltage Above Normal |
2460-3
ARD Fuel Pressure #1 Sensor : Voltage Above Normal |
Troubleshooting, "Sensor Signal (Analog, Active) - Test" | N/A |
3480-4
Aftertreatment #1 Fuel Pressure #1 : Voltage Below Normal |
2460-4
ARD Fuel Pressure #1 Sensor : Voltage Below Normal |
Troubleshooting, "Sensor Signal (Analog, Active) - Test" | N/A |
3484-5
Aftertreatment #1 Ignition : Current Below Normal |
2465-5
Aftertreatment #1 Ignition Transformer Primary : Current Below Normal |
Troubleshooting, "ARD Ignition - Test" | N/A |
3484-6
Aftertreatment #1 Ignition : Current Above Normal |
2465-6
Aftertreatment #1 Ignition Transformer Primary : Current Above Normal |
Troubleshooting, "ARD Ignition - Test" | N/A |
3487-5
Aftertreatment #1 Air Pressure Control : Current Below Normal |
2489-5
ARD Air Pressure Control Actuator : Current Below Normal |
Troubleshooting, "ARD Combustion Air - Test" | N/A |
3487-6
Aftertreatment #1 Air Pressure Control : Current Above Normal |
2489-6
ARD Air Pressure Control Actuator : Current Above Normal |
Troubleshooting, "ARD Combustion Air - Test" | N/A |
3487-7
Aftertreatment #1 Air Pressure Control : Not Responding Properly |
2489-7
ARD Air Pressure Control Actuator : Not Responding Properly |
Troubleshooting, "ARD Combustion Air - Test" | N/A |
3487-8
Aftertreatment #1 Air Pressure Control : Abnormal Frequency, Pulse Width, or Period |
2489-8
ARD Air Pressure Control Actuator : Abnormal Frequency, Pulse Width, or Period |
Troubleshooting, "ARD Combustion Air - Test" | N/A |
3487-13
Aftertreatment #1 Air Pressure Control : Out of Calibration |
2489-13
ARD Air Pressure Control Actuator: Out of Calibration |
Troubleshooting, "ARD Combustion Air Valve - Replace" | |
3488-3
Aftertreatment #1 Air Pressure Actuator Position : Voltage Above Normal |
2490-3
ARD Air Pressure Control Actuator Position Sensor : Voltage Above Normal |
Troubleshooting, "ARD Combustion Air - Test" | N/A |
3488-4
Aftertreatment #1 Air Pressure Actuator Position : Voltage Below Normal |
2490-4
ARD Air Pressure Control Actuator Position Sensor : Voltage Below Normal |
Troubleshooting, "ARD Combustion Air - Test" | N/A |
3509-3
Sensor Supply Voltage 1 : Voltage Above Normal |
262-3
5 Volt Sensor DC Power Supply : Voltage Above Normal |
Troubleshooting, "Sensor Supply - Test" | 516 |
3509-4
Sensor Supply Voltage 1 : Voltage Below Normal |
262-4
5 Volt Sensor DC Power Supply : Voltage Below Normal |
Troubleshooting, "Sensor Supply - Test" | 516 |
3510-3
Sensor Supply Voltage 2 : Voltage Above Normal |
2131-3
5 Volt Sensor DC Power Supply #2 : Voltage Above Normal |
Troubleshooting, "Sensor Supply - Test" | 516 |
3510-4
Sensor Supply Voltage 2 : Voltage Below Normal |
2131-4
5 Volt Sensor DC Power Supply #2 : Voltage Below Normal |
Troubleshooting, "Sensor Supply - Test" | 516 |
3511-3
Sensor Supply Voltage 3 : Voltage Above Normal |
3482-3
Sensor Supply #3 : Voltage Above Normal |
Troubleshooting, "ARD Combustion Air - Test" | N/A |
3511-4
Sensor Supply Voltage 3 : Voltage Below Normal |
3482-4
Sensor Supply #3 : Voltage Below Normal |
Troubleshooting, "ARD Combustion Air - Test" | N/A |
3563-3
Engine Intake Manifold #1 Absolute Pressure : Voltage Above Normal |
1785-3
Intake Manifold Pressure Sensor : Voltage Above Normal |
Troubleshooting, "Sensor Signal (Analog, Active) - Test" | 197 |
3563-4
Engine Intake Manifold #1 Absolute Pressure : Voltage Below Normal |
1785-4
Intake Manifold Pressure Sensor : Voltage Below Normal |
Troubleshooting, "Sensor Signal (Analog, Active) - Test" | 197 |
3563-13
Engine Intake Manifold #1 Absolute Pressure : Calibration Required |
1785-13
Intake Manifold Pressure Sensor : Calibration Required |
Troubleshooting, "Sensor Calibration Required - Test" | 197 |
3563-21
Engine Intake Manifold #1 Absolute Pressure : Data Drifted Low |
1785-21
Intake Manifold Pressure Sensor : Data Drifted Low |
Troubleshooting, "Sensor Supply - Test" | N/A |
3609-3
DPF #1 Intake Pressure : Voltage Above Normal |
3464-3
DPF #1 Intake Pressure Sensor : Voltage Above Normal |
Troubleshooting, "Sensor Signal (Analog, Active) - Test" | N/A |
3609-4
DPF #1 Intake Pressure : Voltage Below Normal |
3464-4
DPF #1 Intake Pressure Sensor : Voltage Below Normal |
Troubleshooting, "Sensor Signal (Analog, Active) - Test" | N/A |
3609-13
DPF #1 Intake Pressure : Calibration Required |
3464-13
DPF #1 Intake Pressure Sensor : Calibration Required |
Troubleshooting, "Sensor Calibration Required - Test" | N/A |
3609-21
DPF #1 Intake Pressure : Data Drifted Low |
3464-21
DPF #1 Intake Pressure Sensor : Data Drifted Low |
Troubleshooting, "Sensor Supply - Test" | N/A |
3659-5
Engine Injector Cylinder #1 Actuator #2 : Current Below Normal |
2602-5
Cylinder #1 Injector Actuator #2 : Current Below Normal |
Troubleshooting, "Injector Solenoid - Test" | N/A |
3659-6
Engine Injector Cylinder #1 Actuator #2 : Current Above Normal |
2602-6
Cylinder #1 Injector Actuator #2 : Current Above Normal |
Troubleshooting, "Injector Solenoid - Test" | N/A |
3660-5
Engine Injector Cylinder #2 Actuator #2 : Current Below Normal |
2604-5
Cylinder #2 Injector Actuator #2 : Current Below Normal |
Troubleshooting, "Injector Solenoid - Test" | N/A |
3660-6
Engine Injector Cylinder #2 Actuator #2 : Current Above Normal |
2604-6
Cylinder #2 Injector Actuator #2 : Current Above Normal |
Troubleshooting, "Injector Solenoid - Test" | N/A |
3661-5
Engine Injector Cylinder #3 Actuator #2 : Current Below Normal |
2606-5
Cylinder #3 Injector Actuator #2 : Current Below Normal |
Troubleshooting, "Injector Solenoid - Test" | N/A |
3661-6
Engine Injector Cylinder #3 Actuator #2 : Current Above Normal |
2606-6
Cylinder #3 Injector Actuator #2 : Current Above Normal |
Troubleshooting, "Injector Solenoid - Test" | N/A |
3662-5
Engine Injector Cylinder #4 Actuator #2 : Current Below Normal |
2608-5
Cylinder #4 Injector Actuator #2 : Current Below Normal |
Troubleshooting, "Injector Solenoid - Test" | N/A |
3662-6
Engine Injector Cylinder #4 Actuator #2 : Current Above Normal |
2608-6
Cylinder #4 Injector Actuator #2 : Current Above Normal |
Troubleshooting, "Injector Solenoid - Test" | N/A |
3663-5
Engine Injector Cylinder #5 Actuator #2 : Current Below Normal |
2610-5
Cylinder #5 Injector Actuator #2 : Current Below Normal |
Troubleshooting, "Injector Solenoid - Test" | N/A |
3663-6
Engine Injector Cylinder #5 Actuator #2 : Current Above Normal |
2610-6
Cylinder #5 Injector Actuator #2 : Current Above Normal |
Troubleshooting, "Injector Solenoid - Test" | N/A |
3664-5
Engine Injector Cylinder #6 Actuator #2 : Current Below Normal |
2612-5
Cylinder #6 Injector Actuator #2 : Current Below Normal |
Troubleshooting, "Injector Solenoid - Test" | N/A |
3664-6
Engine Injector Cylinder #6 Actuator #2 : Current Above Normal |
2612-6
Cylinder #6 Injector Actuator #2 : Current Above Normal |
Troubleshooting, "Injector Solenoid - Test" | N/A |
3695-2
Particulate Trap Regeneration Inhibit Switch : Erratic, Intermittent, or Incorrect |
3184-2
DPF Regeneration Inhibit Switch : Erratic, Intermittent, or Incorrect |
The Forced regeneration switch is installed and the disable regeneration switch is held for longer than 1 minute or the Forced regeneration switch is NOT installed and the disable regeneration input through the Datalink is received for longer than 1 minute. | N/A |
3837-3
Aftertreatment 1 Secondary Air Pressure : Voltage Above Normal |
3493-3
Aftertreatment #1 Secondary Air Pressure Sensor : Voltage Above Normal |
Troubleshooting, "Sensor Signal (Analog, Active) - Test" | N/A |
3837-4
Aftertreatment 1 Secondary Air Pressure : Voltage Below Normal |
3493-4
Aftertreatment #1 Secondary Air Pressure Sensor : Voltage Below Normal |
Troubleshooting, "Sensor Signal (Analog, Active) - Test" | N/A |
3837-13
Aftertreatment 1 Secondary Air Pressure : Calibration Required |
3493-13
Aftertreatment #1 Secondary Air Pressure Sensor : Calibration Required |
Troubleshooting, "Sensor Calibration Required - Test" | N/A |
3837-21
Aftertreatment 1 Secondary Air Pressure : Data Drifted Low |
3493-21
Aftertreatment #1 Secondary Air Pressure Sensor : Data Drifted Low |
Troubleshooting, "Sensor Supply - Test" | N/A |
4077-3
Aftertreatment #1 Fuel Pressure #2 : Voltage Above Normal |
2497-3
ARD Fuel Pressure #2 Sensor : Voltage Above Normal |
Troubleshooting, "Sensor Signal (Analog, Active) - Test" | N/A |
4077-4
Aftertreatment #1 Fuel Pressure #2 : Voltage Below Normal |
2497-4
ARD Fuel Pressure #2 Sensor : Voltage Below Normal |
Troubleshooting, "Sensor Signal (Analog, Active) - Test" | N/A |
4265-5
Aftertreatment #1 Transformer Secondary Output : Current Below Normal |
3180-5
Aftertreatment #1 Ignition Transformer Secondary : Current Below Normal |
Troubleshooting, "ARD Ignition - Test" | N/A |
4301-5
Aftertreatment #1 Fuel Injector #1 Heater Control : Current Below Normal |
3182-5
Aftertreatment #1 Fuel Injector #1 Heater : Current Below Normal |
Troubleshooting, "Solenoid Valve - Test" | N/A |
4301-6
Aftertreatment #1 Fuel Injector #1 Heater Control : Current Above Normal |
3182-6
Aftertreatment #1 Fuel Injector #1 Heater : Current Above Normal |
Troubleshooting, "Solenoid Valve - Test" | N/A |
4783-3
DPF #1 Mean Soot Signal : Voltage Above Normal |
3397-3
DPF #1 Soot Loading Sensor : Voltage Above Normal |
Troubleshooting, "Soot Sensor - Test" | N/A |
4783-4
DPF #1 Mean Soot Signal : Voltage Below Normal |
3397-4
DPF #1 Soot Loading Sensor : Voltage Below Normal |
Troubleshooting, "Soot Sensor - Test" | N/A |
4783-9
DPF #1 Mean Soot Signal : Abnormal Update Rate |
3397-9
DPF #1 Soot Loading Sensor : Abnormal Update Rate |
Troubleshooting, "Data Link - Test" | N/A |
4783-12
DPF #1 Mean Soot Signal : Failure |
3397-12
DPF #1 Soot Loading Sensor : Failure |
Replace the soot sensor.
Perform the "DPF Soot Loading Sensor Functional Test" on Cat ET. Refer to Troubleshooting, "Soot Sensor - Test". |
N/A |
4783-13
DPF #1 Mean Soot Signal : Out of Calibration |
3397-13
DPF #1 Soot Loading Sensor : Calibration Required |
Replace the soot sensor.
Perform the "DPF Soot Loading Sensor Functional Test" on Cat ET. Refer to Troubleshooting, "Soot Sensor - Test". |
N/A |
4783-19
DPF #1 Mean Soot Signal : Data Error |
3397-19
DPF #1 Soot Loading Sensor : Data Error |
Replace the soot sensor.
Perform the "DPF Soot Loading Sensor Functional Test" on Cat ET. Refer to Troubleshooting, "Soot Sensor - Test". |
N/A |
4783-21
DPF #1 Mean Soot Signal : Data Drifted Low |
3397-21
DPF #1 Soot Loading Sensor : Data Drifted Low |
Troubleshooting, "Soot Sensor - Test" | N/A |
5276-5
Engine Exhaust Manifold Bank #1 Flow Balance Valve Actuator Control : Current Below Normal |
3409-5
Engine Exhaust Manifold Bank #1 Flow Balance Valve Solenoid : Current Below Normal |
Troubleshooting, "Solenoid Valve - Test" | N/A |
5276-6
Engine Exhaust Manifold Bank #1 Flow Balance Valve Actuator Control : Current Above Normal |
3409-6
Engine Exhaust Manifold Bank #1 Flow Balance Valve Solenoid : Current Above Normal |
Troubleshooting, "Solenoid Valve - Test" | N/A |
5423-5
Aftertreatment #1 Fuel Pump Relay Control : Current Below Normal |
3427-5
Aftertreatment Fuel Pump Relay : Current Below Normal |
Troubleshooting, "Solenoid Valve - Test" | N/A |
5423-6
Aftertreatment #1 Fuel Pump Relay Control : Current Above Normal |
3427-6
Aftertreatment Fuel Pump Relay : Current Above Normal |
Troubleshooting, "Solenoid Valve - Test" | N/A |
5424-5
Aftertreatment #1 Fuel Flow Diverter Valve Control : Current Below Normal |
3413-5
ARD Fuel Flow Diverter Actuator : Current Below Normal |
Troubleshooting, "Solenoid Valve - Test" | N/A |
5424-6
Aftertreatment #1 Fuel Flow Diverter Valve Control : Current Above Normal |
3413-6
ARD Fuel Flow Diverter Actuator : Current Above Normal |
Troubleshooting, "Solenoid Valve - Test" | N/A |
5425-5
Aftertreatment #1 Fuel Pressure #2 Actuator Control : Current Below Normal |
3391-5
ARD Fuel Pressure #2 Control Actuator : Current Below Normal |
Troubleshooting, "Solenoid Valve - Test" | N/A |
5425-6
Aftertreatment #1 Fuel Pressure #2 Actuator Control : Current Above Normal |
3391-6
ARD Fuel Pressure #2 Control Actuator : Current Above Normal |
Troubleshooting, "Solenoid Valve - Test" | N/A |
5495-14
Aftertreatment #1 DPF Soot Mean Calibration Offset : Special Instruction |
3397-14
DPF #1 Soot Loading Sensor : Special Instruction |
Troubleshooting, "Data Link Configuration Status - Test" | N/A |
5576-2
Aftertreatment #1 Identification : Erratic, Intermittent, or Incorrect |
3468-2
Aftertreatment #1 Identification Number Module : Erratic, Intermittent, or Incorrect |
Troubleshooting, "Aftertreatment Identification Module - Test" | N/A |
5576-8
Aftertreatment #1 Identification : Abnormal Frequency, Pulse Width, or Period |
3468-8
Aftertreatment #1 Identification Number Module : Abnormal Frequency, Pulse Width, or Period |
Troubleshooting, "Aftertreatment Identification Module - Test" | N/A |
5576-14
Aftertreatment #1 Identification : Special Instruction |
3468-14
Aftertreatment #1 Identification Number Module : Special Instruction |
Troubleshooting, "Data Link Configuration Status - Test" | N/A |
5580-3
Engine Filtered Fuel Delivery Absolute Pressure : Voltage Above Normal |
460-3
Fuel Pressure Sensor - After Fuel Filter : Voltage Above Normal |
Troubleshooting, "Sensor Signal (Analog, Active) - Test" | N/A |
5580-4
Engine Filtered Fuel Delivery Absolute Pressure : Voltage Below Normal |
460-4
Fuel Pressure Sensor - After Fuel Filter : Voltage Below Normal |
Troubleshooting, "Sensor Signal (Analog, Active) - Test" | N/A |
5580-21
Engine Filtered Fuel Delivery Absolute Pressure : Data Drifted Low |
460-21
Fuel Pressure Sensor - After Fuel Filter : Data Drifted Low |
Troubleshooting, "Sensor Supply - Test" | N/A |
5591-3
Aftertreatment #1 DPF Air Control Module : Voltage Above Normal |
3472-3
ARD Air Pressure Control System : Voltage Above Normal |
Troubleshooting, "ARD Combustion Air - Test" | N/A |
5591-4
Aftertreatment #1 DPF Air Control Module : Voltage Below Normal |
3472-4
ARD Air Pressure Control System : Voltage Below Normal |
Troubleshooting, "ARD Combustion Air - Test" | N/A |
5591-5
Aftertreatment #1 DPF Air Control Module : Current Below Normal |
3471-5
ARD Air Pressure Control Module : Current Below Normal |
Troubleshooting, "ARD Combustion Air - Test" | N/A |
5591-6
Aftertreatment #1 DPF Air Control Module : Current Above Normal |
3471-6
ARD Air Pressure Control Module : Current Above Normal |
Troubleshooting, "ARD Combustion Air - Test" | N/A |
5591-9
Aftertreatment #1 DPF Air Control Module : Abnormal Update Rate |
3472-9
ARD Air Pressure Control System : Abnormal Update Rate |
Troubleshooting, "ARD Combustion Air - Test" | N/A |
5591-14
Aftertreatment #1 DPF Air Control Module : Special Instruction |
3472-14
ARD Air Pressure Control System : Special Instruction |
Troubleshooting, "Data Link Configuration Status - Test" | N/A |
Caterpillar Information System:
3508, 3512 and 3516 Generator Set Engines Camshaft - Install
C13 and C15 Engines for Combat and Tactical Vehicles Accelerator Pedal (Throttle) Position Sensor Circuit - Test
C13 and C15 Engines for Combat and Tactical Vehicles 5 Volt Engine Pressure Sensor Supply Circuit - Test
C13-XQ350 Rental Generator Set Electronic Modular Control Panel 4 (EMCP 4)
349F and 352F Excavators Alternate Exit
CX31-P600 Petroleum Transmission Power Train Electronic Control Module (Electronic Clutch Pressure Control)
793F Off-Highway Truck Machine Systems Engine Shutdown Switch and Disconnect Switch - Remove and Install
793F Off-Highway Truck Machine Systems Valve (Heater Control) - Remove and Install
C175-16 Locomotive Engines Engine Oil Sample - Obtain
793F Off-Highway Truck Machine Systems Heater Coil - Remove and Install
793F Off-Highway Truck Machine Systems Evaporator Coil - Remove and Install
C27 PET GEN SET Electric Power Generation and C27 KNOCKDOWN K Petroleum Power Train Package Sound Information
C13, C15, and C18 Tier 4 Interim Engines Event Codes
C13, C15, and C18 Tier 4 Interim Engines Inlet Air Is Restricted
C6.6 Generator Set CID 0001 FMI 02
C6.6 Generator Set CID 0001 FMI 05
C6.6 Generator Set CID 0001 FMI 06
C6.6 Generator Set CID 0002 FMI 02
C6.6 Generator Set CID 0002 FMI 05
C175-16 PETROLEUM ENGINES Connecting Rod Bearings - Remove and Install
C6.6 Generator Set CID 0002 FMI 06
3508, 3512 and 3516 Generator Set Engines Camshaft Bearings - Remove
C6.6 Generator Set CID 0003 FMI 02
C6.6 Generator Set CID 0003 FMI 05