Silverado 2008

6.0L V8 VIN Y Auto 8

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Trouble Code: C0040 0F



Right Front Wheel Speed Sensor Circuit Erratic

Possible Causes:



C0035 02 or C0040 02
 
A short to ground is detected on the wheel speed sensor 12-volt reference or signal circuit.
 
C0035 05 or C0040 05
 
A short to voltage or an open/high resistance is detected on the wheel speed sensor 12-volt reference or signal circuit.
 
C0035 OF, C0035 18, C0040 OF or C0040 18
 
An erratic signal output of the wheel speed sensor is detected.
 

Trouble Code: C0040 18



Right Front Wheel Speed Sensor Circuit Signal Amplitude Below Minimum

Possible Causes:



C0035 02 or C0040 02
 
A short to ground is detected on the wheel speed sensor 12-volt reference or signal circuit.
 
C0035 05 or C0040 05
 
A short to voltage or an open/high resistance is detected on the wheel speed sensor 12-volt reference or signal circuit.
 
C0035 OF, C0035 18, C0040 OF or C0040 18
 
An erratic signal output of the wheel speed sensor is detected.
 

Trouble Code: C0040 5A



Right Front Wheel Speed Sensor Circuit Plausibility Failure

Possible Causes:



C0035 5A-C0040 5A
 
An erratic signal output of the wheel speed sensor is detected.
 

Trouble Code: C0110 00



Pump Motor Circuit

Possible Causes:



The pump motor continues to rotate briefly after activation creating a feedback voltage. The EBCM sets the code if the measured feedback voltage indicates an open circiut, binding or stalled pump motor.
 

Trouble Code: C0110 00



Pump Motor Circuit

Possible Causes:



The pump motor continues to rotate briefly after activation creating a feedback voltage. The EBCM sets the code if the measured feedback voltage indicates a binding or stalled pump motor.
 

Trouble Code: C0110 03



Pump Motor Circuit Voltage Below Threshold

Possible Causes:



The pump motor continues to rotate briefly after activation creating a feedback voltage. The EBCM sets the code if the measured feedback voltage indicates an open circiut, binding or stalled pump motor.
 

Trouble Code: C0110 04



Pump Motor Circuit Open Circuit

Possible Causes:



The pump motor continues to rotate briefly after activation creating a feedback voltage. The EBCM sets the code if the measured feedback voltage indicates an open circiut, binding or stalled pump motor.
 

Trouble Code: C0110 61



Pump Motor Circuit Actuator Stuck

Possible Causes:



The pump motor continues to rotate briefly after activation creating a feedback voltage. The EBCM sets the code if the measured feedback voltage indicates an open circiut, binding or stalled pump motor.
 

Trouble Code: C0131 00



ABS Pressure Circuit

Possible Causes:



C0131 00
 
Sensor supply voltage is less than 4.5 volts or greater than 5.3 volts for more than 1 sec.
 
Sensor signal voltage is less than 0.12 volts or greater than 3.2 volts for more than 1 sec.
 
C0131 3A or 4B
 
EBCM has been replaced and the calibration to the brake pressure sensor is outside of programed range.
 
C0131 5A
 
The EBCM detects the brake pressure does not increase when braking, when it received a message that the brake pedal is applied.
 
The EBCM detects the brake pressure is increasing when braking, and did not receive a message that the brake pedal is applied.
 
Internal pressure sensor fault.
 

Trouble Code: C0131 01



ABS Pressure Circuit Short to Battery

Possible Causes:



Pressure signal does not correlate to estimated Pressure over time.
 
Signal is erratic and changes faster than physically allowed.
 

Trouble Code: C0131 03



ABS Pressure Circuit Voltage Below Threshold

Possible Causes:



Pressure signal does not correlate to estimated Pressure over time.
 
Signal is erratic and changes faster than physically allowed.
 

Trouble Code: C0131 06



ABS Pressure Circuit Short to Ground or Open

Possible Causes:



Pressure signal does not correlate to estimated Pressure over time.
 
Signal is erratic and changes faster than physically allowed.
 

Trouble Code: C0131 0F



ABS Pressure Circuit Erratic

Possible Causes:



Pressure signal does not correlate to estimated Pressure over time.
 
Signal is erratic and changes faster than physically allowed.
 

Trouble Code: C0131 3A



ABS Pressure Circuit Incorrect Component Installed

Possible Causes:



C0131 00
 
Sensor supply voltage is less than 4.5 volts or greater than 5.3 volts for more than 1 sec.
 
Sensor signal voltage is less than 0.12 volts or greater than 3.2 volts for more than 1 sec.
 
C0131 3A or 4B
 
EBCM has been replaced and the calibration to the brake pressure sensor is outside of programed range.
 
C0131 5A
 
The EBCM detects the brake pressure does not increase when braking, when it received a message that the brake pedal is applied.
 
The EBCM detects the brake pressure is increasing when braking, and did not receive a message that the brake pedal is applied.
 
Internal pressure sensor fault.
 

Trouble Code: C0131 4B



ABS Pressure Circuit Calibration not Learned

Possible Causes:



Pressure signal does not correlate to estimated Pressure over time.
 
Signal is erratic and changes faster than physically allowed.
 

Trouble Code: C0131 4B



ABS Pressure Circuit Calibration Not Learned

Possible Causes:



C0131 00
 
Sensor supply voltage is less than 4.5 volts or greater than 5.3 volts for more than 1 sec.
 
Sensor signal voltage is less than 0.12 volts or greater than 3.2 volts for more than 1 sec.
 
C0131 3A or 4B
 
EBCM has been replaced and the calibration to the brake pressure sensor is outside of programed range.
 
C0131 5A
 
The EBCM detects the brake pressure does not increase when braking, when it received a message that the brake pedal is applied.
 
The EBCM detects the brake pressure is increasing when braking, and did not receive a message that the brake pedal is applied.
 
Internal pressure sensor fault.
 

Trouble Code: C0131 55



ABS Pressure Circuit Expected Number of Transitions or Events not Reached

Possible Causes:



Pressure signal does not correlate to estimated Pressure over time.
 
Signal is erratic and changes faster than physically allowed.
 

Trouble Code: C0131 5A



ABS Pressure Circuit Plausibility Failure

Possible Causes:



Pressure signal does not correlate to estimated Pressure over time.
 
Signal is erratic and changes faster than physically allowed.
 

Trouble Code: C0131 5A



ABS Pressure Circuit Plausibility Failure

Possible Causes:



C0131 00
 
Sensor supply voltage is less than 4.5 volts or greater than 5.3 volts for more than 1 sec.
 
Sensor signal voltage is less than 0.12 volts or greater than 3.2 volts for more than 1 sec.
 
C0131 3A or 4B
 
EBCM has been replaced and the calibration to the brake pressure sensor is outside of programed range.
 
C0131 5A
 
The EBCM detects the brake pressure does not increase when braking, when it received a message that the brake pedal is applied.
 
The EBCM detects the brake pressure is increasing when braking, and did not receive a message that the brake pedal is applied.
 
Internal pressure sensor fault.
 

Trouble Code: C0161 00



ABS/TCS Brake Switch Circuit

Possible Causes:



The brake pedal is sensed as applied for 6 minutes.
 
The vehicle speed is greater than 21 km/h (13 mph).
 

Trouble Code: C0161 5A



ABS/TCS Brake Switch Plausibility Failure

Possible Causes:



The brake pedal is sensed as applied for 6 minutes.
 
The vehicle speed is greater than 21 km/h (13 mph).
 

Trouble Code: C0201 00



Antilock Brake System (ABS) Enable Relay Contact Circuit

Possible Causes:



One or more of the following conditions exists:
 
The EBCM detects an open in the battery positive voltage circuit to the solenoid valve relay.
 
The EBCM detects a stuck open solenoid valve relay or an open circuit between the solenoid valve relay and solenoid valves.
 

Trouble Code: C0201 0E



Antilock Brake System (ABS) Enable Relay Contact Circuit Resistance Below Threshold

Possible Causes:



One or more of the following conditions exists:
 
The EBCM detects an open in the battery positive voltage circuit to the solenoid valve relay.
 
The EBCM detects a stuck open solenoid valve relay or an open circuit between the solenoid valve relay and solenoid valves.
 

Trouble Code: C0242 00



Engine Control Module (ECM) Indicated TCS Malfunction

Possible Causes:



The ECM diagnoses a condition preventing the engine control portion of the traction control function and sends a serial data message to the EBCM indicating that torque reduction is not allowed. The ECM will typically set a DTC and the EBCM will set this DTC.
 

Trouble Code: C0245 5A



Wheel Speed Sensor Plausibility Failure

Possible Causes:



Wheel speed differences between one wheel and the others is greater than 25 percent.
 

Trouble Code: C0267 00



Low Brake Fluid Indicated

Possible Causes:



Low brake fluid is detected.
 
A short to ground exists on the signal circuit.
 

Trouble Code: C0267 71



Low Brake Fluid Indicated Invalid Serial Data

Possible Causes:



Low brake fluid is detected.
 
A short to ground exists on the signal circuit.
 

Trouble Code: C0277 06



Brake Pedal Position Sensor Circuit Short to Ground or Open

Possible Causes:



In the event that DTC C0277, C0297, or C0890 sets as current in the body control module (BCM) is an indication of a possible internal BCM malfunction or programming error. There are no external circuits available to diagnose on this vehicle with respect to these DTCs.
 

Trouble Code: C0277 07



Brake Pedal Position Sensor Circuit Voltage Above Threshold

Possible Causes:



In the event that DTC C0277, C0297, or C0890 sets as current in the body control module (BCM) is an indication of a possible internal BCM malfunction or programming error. There are no external circuits available to diagnose on this vehicle with respect to these DTCs.
 

Trouble Code: C0277 09



Brake Pedal Position Sensor Circuit Rate of Change Above Threshold

Possible Causes:



In the event that DTC C0277, C0297, or C0890 sets as current in the body control module (BCM) is an indication of a possible internal BCM malfunction or programming error. There are no external circuits available to diagnose on this vehicle with respect to these DTCs.
 

Trouble Code: C0277 4B



Brake Pedal Position Sensor Calibration Not Learned

Possible Causes:



In the event that DTC C0277, C0297, or C0890 sets as current in the body control module (BCM) is an indication of a possible internal BCM malfunction or programming error. There are no external circuits available to diagnose on this vehicle with respect to these DTCs.
 

Trouble Code: C0297 00



Brake Applied Output Circuit

Possible Causes:



In the event that DTC C0277, C0297, or C0890 sets as current in the body control module (BCM) is an indication of a possible internal BCM malfunction or programming error. There are no external circuits available to diagnose on this vehicle with respect to these DTCs.
 

Trouble Code: C0299 00



Brake Booster Sensor Performance

Possible Causes:



C0299 00
 
The EBCM detects a short to ground, open/high resistance or a short to voltage on the power brake booster actuator control circuits.
 

Trouble Code: C0299 5A



Brake Booster Sensor Plausibility Failure

Possible Causes:



C0299 5A
 
No vacuum is detected in the power brake booster for approximately 10 seconds after start-up.
 
Low vacuum is detected in the power brake booster for approximately 60 seconds or longer after start-up, or is detected while driving.
 

Trouble Code: C0306 02



Motor A or B Circuit Short to Ground

Possible Causes:



The TCCM tests the motor circuits by checking for unexpected voltage.
 
Then, the TCCM supplies voltage on each of the motor circuits and reads the voltage back on the other circuit.
 
If the TCCM detects a low voltage return when a high voltage is expected, or a high voltage return when a low voltage is expected, the DTC is logged.
 
The fault must remain current for 1 second to set the DTC.
 

Trouble Code: C0306 02



Motor A or B Circuit Short to Ground

Possible Causes:



The TCCM tests the motor circuits by checking for unexpected voltage.
 
The TCCM supplies voltage on each of the motor circuits and reads the voltage back on the other circuit.
 
If the TCCM detects a low voltage return when a high voltage is expected or a high voltage return when a low voltage is expected, the DTC is logged.
 
The fault must remain current for 1 second to set the DTC.
 

Trouble Code: C0306 05



Motor A or B Circuit Short to Battery or Open

Possible Causes:



The TCCM tests the motor circuits by checking for unexpected voltage.
 
Then, the TCCM supplies voltage on each of the motor circuits and reads the voltage back on the other circuit.
 
If the TCCM detects a low voltage return when a high voltage is expected, or a high voltage return when a low voltage is expected, the DTC is logged.
 
The fault must remain current for 1 second to set the DTC.
 

Trouble Code: C0306 05



Motor A or B Circuit Short to Battery or Open

Possible Causes:



The TCCM tests the motor circuits by checking for unexpected voltage.
 
The TCCM supplies voltage on each of the motor circuits and reads the voltage back on the other circuit.
 
If the TCCM detects a low voltage return when a high voltage is expected or a high voltage return when a low voltage is expected, the DTC is logged.
 
The fault must remain current for 1 second to set the DTC.
 

Trouble Code: C0374 54



General System Performance Temperature High

Possible Causes:



This DTC sets if one of three components: motor driver inside the TCCM, transfer case clutch, or the shift motor, exceed the thermal model within the software for the module.
 

Trouble Code: C0379 01



Front Axle System Short to Battery

Possible Causes:



The TCCM monitors the front axle switch signal circuit and the front axle actuator control circuit for unexpected voltages. The DTC sets if the TCCM detects a high voltage when a low voltage is expected, or a low voltage when a high voltage is expected.
 

 
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