Silverado 2008

5.3L V8 VIN M Auto 10

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Trouble Code: C0765 08



Right Rear Low Tire Pressure Sensor Signal Invalid

Possible Causes:



A sensor does not transmit for 18 minutes.
 
A sensor low battery condition.
 

Trouble Code: C0774 00



Low Tire Pressure System Performance

Possible Causes:



The TPM detects a tire pressure difference in 1 tire of 8.2 kPa (1.2 psi) higher or lower than the other 3.
 
The EBCM will receive a serial data message that a DTC C0774 has set.
 

Trouble Code: C0775



Low Tire Pressure System Sensors Not Learned

Possible Causes:



The remote control door lock receiver (RCDLR) has not undergone the tire pressure sensor learn procedure.
 

Trouble Code: C0800 03



Device Power Circuit Below Threshold - TBCM

Possible Causes:



C0800 03
 
During initialization or when the system is inactive, the system voltage is less than 10.5 volts.
 
During the system operation, the system voltage is less than 9 volts.
 

Trouble Code: C0800 07



Device Power Circuit Above Threshold - TBCM

Possible Causes:



C0800 07
 
Ignition is in RUN.
 
The system voltage is greater than 18.5 volts.
 

Trouble Code: C0870 00



Device Voltage Reference Output 1 Circuit

Possible Causes:



C0870 00
 
The TBCM circuit reference voltage for the trailer brake control relay is below 4.8 volts or above 5.2 volts.
 

Trouble Code: C0880 00



Device Voltage Reference Output 2 Circuit

Possible Causes:



C0880 00 or C0890 00
 
The TBCM detects the 5 volt reference circuit voltage is less than 4.8 volts or greater than 5.2 volts.
 

Trouble Code: C0890 00



Device Voltage Reference Output 3 Circuit

Possible Causes:



C0880 00 or C0890 00
 
The TBCM detects the 5 volt reference circuit voltage is less than 4.8 volts or greater than 5.2 volts.
 

Trouble Code: C0890 03



Device Voltage Reference Output 3 Circuit Voltage Below 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: C0890 07



Device Voltage Reference Output 3 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: C0896 03



Device Voltage Range Below Threshold

Possible Causes:



System voltage above 18.5 V, or below 10.5 V, and a mode shift is requested.
 

Trouble Code: C0896 07



Device Voltage Range Above Threshold

Possible Causes:



System voltage above 18.5 V, or below 10.5 V, and a mode shift is requested.
 

Trouble Code: C0899 03



Device Voltage Low - PTO

Possible Causes:



The voltage available to the PTO module is less than 9 volts for 100 msec.
 

Trouble Code: C1100 00



Brake Booster Vacuum Sensor Performance

Possible Causes:



Voltage at the brake booster sensor signal output to the EBCM falls outside the 0.13-3.30 V range for more than 200 milliseconds.
 
The power 5 V reference is shorted to ground or battery positive.
 

Trouble Code: C1112 00



Trailer Brake Control Relay Low Control Circuit

Possible Causes:



C1112 00
 
The TBCM detects a short to ground, open or a short to voltage on the integrated trailer brake relay control active low circuit.
 
The TBCM detects an open in the battery positive voltage circuit to the trailer brake control relay.
 
The TBCM detects an open in the ground circuit to the trailer brake control relay.
 
The TBCM detects a short to ground or open in the solid state relay enable circuit.
 

Trouble Code: C1113 01



Trailer Brake Control Relay High Control Circuit Short to Battery

Possible Causes:



C1113 01
 
The TBCM detects a short to voltage in the solid state relay enable circuit.
 
The TBCM detects a short to voltage in the trailer brake output supply voltage control circuit.
 

Trouble Code: C1114 00



Trailer Brake Control Solenoids Control Circuit

Possible Causes:



C1114 00
 
The TBCM detects a short to ground, open or a short to voltage on the solid state relay output circuit.
 

Trouble Code: C1115 08



Manual Trailer Brake Apply Request Switch Signal Invalid

Possible Causes:



C1115 08 or C1115 5A
 
The TBCM detects the manual apply switch is applied before the ignition is cycled OFF, and continuously applied for 30 seconds after ignition is cycled to ON.
 
The TBCM detects the manual apply switch is applied continuously for 5 minutes.
 
The fault is detected if the manual apply switch input and redundant apply switch input exceeds a threshold for an extended amount of time.
 

Trouble Code: C1115 5A



Manual Trailer Brake Apply Request Switch Signal Plausibility Failure

Possible Causes:



C1115 08 or C1115 5A
 
The TBCM detects the manual apply switch is applied before the ignition is cycled OFF, and continuously applied for 30 seconds after ignition is cycled to ON.
 
The TBCM detects the manual apply switch is applied continuously for 5 minutes.
 
The fault is detected if the manual apply switch input and redundant apply switch input exceeds a threshold for an extended amount of time.
 

Trouble Code: C1116 00



Manual Trailer Brake Apply Request Signal 1

Possible Causes:



C1116 00
 
The TBCM detects a short to ground, open or a short to voltage on the manual apply signal circuit.
 
The TBCM detects a open on the low reference circuit.
 

Trouble Code: C1117 00



Manual Trailer Brake Apply Request Signal 2

Possible Causes:



C1117 00
 
The TBCM detects a short to ground, open or a short to voltage on the redundant manual apply signal circuit.
 
The TBCM detects a short to voltage on the manual apply signal circuit.
 
The TBCM detects a open on the low reference circuit.
 

Trouble Code: C1118 00



Trailer Brake Control Sensitivity Switch Circuit

Possible Causes:



C1118 00
 
The TBCM detects a short to ground, open or a short to voltage on the user gain signal circuit.
 
The TBCM detects a open on the low reference circuit.
 

Trouble Code: C1118 08



Trailer Brake Control Sensitivity Switch Circuit Signal Invalid

Possible Causes:



C1118 08
 
The TBCM detects the user gain switch is applied before the ignition is cycled OFF, and continuously applied for 30 seconds after ignition is cycled to ON.
 
The TBCM detects the user gain switch is applied continuously for 5 minutes.
 

Trouble Code: C1119 00



Trailer Brake Control Relay Feedback Circuit

Possible Causes:



C1119 00
 
The TBCM detects a short to ground, open or a short to voltage on the relay feedback circuit.
 

Trouble Code: P0008



Engine Position System Performance (Bank 1)

Possible Causes:



Timing chains and tensioners for excessive wear or misalignment
 
Crankshaft reluctor wheel for being mis-positioned
 

Trouble Code: P0009



Engine Position System Performance (Bank 2)

Possible Causes:



Timing chains and tensioners for excessive wear or misalignment
 
Crankshaft reluctor wheel for being mis-positioned
 

Trouble Code: P000A



Intake Camshaft Position (CMP) System Slow Response (Bank 1)

Possible Causes:



Control circuit for an open or high resistance
 
Torn,restricted, mis-positioned, or missing screens at the CMP actuator solenoid
 
Oil leaks between the oil sealing lands of the CMP actuator solenoid
 
Lands of the CMP actuator solenoid for nicks
 
Crankshaft reluctor wheel for being mis-positioned
 
Oil seepage at the CMP actuator solenoind connector
 

Trouble Code: P000C



Intake Camshaft Position (CMP) System Slow Response (Bank 2)

Possible Causes:



Control circuit for an open or high resistance
 
Torn,restricted, mis-positioned, or missing screens at the CMP actuator solenoid
 
Oil leaks between the oil sealing lands of the CMP actuator solenoid
 
Lands of the CMP actuator solenoid for nicks
 
Crankshaft reluctor wheel for being mis-positioned
 
Oil seepage at the CMP actuator solenoind connector
 

Trouble Code: P000D



Exhaust Camshaft Position (CMP) System Slow Response (Bank 2)

Possible Causes:



Control circuit for an open or high resistance
 
Torn,restricted, mis-positioned, or missing screens at the CMP actuator solenoid
 
Oil leaks between the oil sealing lands of the CMP actuator solenoid
 
Lands of the CMP actuator solenoid for nicks
 
Crankshaft reluctor wheel for being mis-positioned
 
Oil seepage at the CMP actuator solenoind connector
 

Trouble Code: P0010



Intake Camshaft Position (CMP) Actuator Solenoid Control Circuit (Bank 1)

Possible Causes:



Ignition circuit for a short to ground or an open/high resistance
 
Control circuit for a short to voltage or an open/high resistance
 
Control circuit for a short to ground
 
CMP actuator solenoid
 
Faulty ECM
 

Trouble Code: P0011



Intake Camshaft Position (CMP) System Performance (Bank 1)

Possible Causes:



Control circuit for an open or high resistance
 
Torn,restricted, mis-positioned, or missing screens at the CMP actuator solenoid
 
Oil leaks between the oil sealing lands of the CMP actuator solenoid
 
Lands of the CMP actuator solenoid for nicks
 
Crankshaft reluctor wheel for being mis-positioned
 
Oil seepage at the CMP actuator solenoind connector
 

Trouble Code: P0013



Exhaust Camshaft Position (CMP) System Performance

Possible Causes:



Ignition circuit for a short to ground or an open/high resistance
 
Control circuit for a short to voltage or an open/high resistance
 
Control circuit for a short to ground
 
CMP actuator solenoid
 
Faulty ECM
 

Trouble Code: P0014



Exhaust Camshaft Position (CMP) System Performance (Bank 1)

Possible Causes:



Control circuit for an open or high resistance
 
Torn,restricted, mis-positioned, or missing screens at the CMP actuator solenoid
 
Oil leaks between the oil sealing lands of the CMP actuator solenoid
 
Lands of the CMP actuator solenoid for nicks
 
Crankshaft reluctor wheel for being mis-positioned
 
Oil seepage at the CMP actuator solenoind connector
 

Trouble Code: P0016



Crankshaft Position (CKP) - Intake Camshaft Position (CMP) Correlation Bank 1

Possible Causes:



Timing chain tensioner condition
 
Incorrectly installed timing chain
 
Excessive play in the timing chain
 
Cam actuator that is stuck in the full advance or retard position
 
Crankshaft reluctor wheel that has moved in relationship to top dead
 
Center (TDC) on the crankshaft
 

Trouble Code: P0016



Crankshaft Position (CKP) - Intake Camshaft Position (CMP) Correlation

Possible Causes:



Timing chain tensioner condition
 
Incorrectly installed timing chain
 
Excessive play in the timing chain
 
Cam actuator that is stuck in the full advance or retard position
 
Crankshaft reluctor wheel that has moved in relationship to top dead
 
Center (TDC) on the crankshaft
 

Trouble Code: P0017



Crankshaft Position (CKP) - Exhaust Camshaft Position (CMP) Correlation (Bank1)

Possible Causes:



Timing chain tensioner condition
 
Incorrectly installed timing chain
 
Excessive play in the timing chain
 
Cam actuator that is stuck in the full advance or retard position
 
Crankshaft reluctor wheel that has moved in relationship to top dead * Center (TDC) on the crankshaft
 

Trouble Code: P0018



Crankshaft Position (CKP) - Intake Camshaft Position (CMP) Correlation (Bank 2)

Possible Causes:



Timing chain tensioner condition
 
Incorrectly installed timing chain
 
Excessive play in the timing chain
 
Cam actuator that is stuck in the full advance or retard position
 
Crankshaft reluctor wheel that has moved in relationship to top dead * Center (TDC) on the crankshaft
 

Trouble Code: P0019



Crankshaft Position (CKP) - Exhaust Camshaft Position (CMP) Correlation (Bank 2)

Possible Causes:



Timing chain tensioner condition
 
Incorrectly installed timing chain
 
Excessive play in the timing chain
 
Cam actuator that is stuck in the full advance or retard position
 
Crankshaft reluctor wheel that has moved in relationship to top dead Center (TDC) on the crankshaft
 

Trouble Code: P0020



Intake Camshaft Position (CMP) Actuator Solenoid Control Circuit (Bank 2)

Possible Causes:



Ignition circuit for a short to ground or an open/high resistance
 
Control circuit for a short to voltage or an open/high resistance
 
Control circuit for a short to ground
 
CMP actuator solenoid
 
Faulty ECM
 

Trouble Code: P0021



Intake Camshaft Position (CMP) System Performance (Bank 2)

Possible Causes:



Control circuit for an open or high resistance
 
Torn,restricted, mis-positioned, or missing screens at the CMP actuator solenoid
 
Oil leaks between the oil sealing lands of the CMP actuator solenoid
 
Lands of the CMP actuator solenoid for nicks
 
Crankshaft reluctor wheel for being mis-positioned
 
Oil seepage at the CMP actuator solenoind connector
 

 
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