Silverado 2008

5.3L V8 VIN 0 Auto 7

Print

Trouble Code: B2645 03



Ambient Light Sensor Circuit Voltage Below Threshold

Possible Causes:



B2645 03
 
The BCM detects a short to ground in the ambient light sensor signal circuit.
 

Trouble Code: B2645 07



Ambient Light Sensor Circuit Voltage Above Threshold

Possible Causes:



B2645 07
 
The BCM detects a short to voltage or an open/high resistance in the ambient light sensor signal circuit.
 

Trouble Code: B2652 00



Passenger Compartment Dimming 3

Possible Causes:



The BCM detects a short to ground in the I/P lamps dimmer switch signal circuit.
 

Trouble Code: B2725 08



Active Transfer Case Mode Switch Circuit - Signal Invalid

Possible Causes:



The system constantly monitors the voltage on the switch signal circuit.
 
If the system detects a voltage level under 0.38 V or greater than 4.86 V for 60 seconds, the DTC is logged.
 

Trouble Code: B2750 00



Horn Relay Coil Circuit

Possible Causes:



The BCM detects a short to ground, open or short to battery in the horn relay control circuit for approximately 125 milliseconds.
 

Trouble Code: B3006 5A



Hood Ajar Circuit Plausibility Failure

Possible Causes:



Both the hood open switch signal circuit and the hood closed switch signal circuit are simultaneously in an active or inactive state.
 

Trouble Code: B302A 00



Telematic Requested Immobilization

Possible Causes:



A start disable message has been received from the telematics module.
 

Trouble Code: B3031 00



Security System Controller In Learn Mode

Possible Causes:



DTC B3031 will set any time the TDM enters the learn coded keys state.
 

Trouble Code: B3055 00



No Transponder Modulation or No Transponder

Possible Causes:



The TDM is unable to measure the ignition key transponder value.
 

Trouble Code: B3060 00



Unprogrammed Transponder Identification Code Received

Possible Causes:



The transponder value measured by the TDM is incorrect or not learned to the vehicle.
 

Trouble Code: B3105 00



Keyless Entry System Key Fobs Not Programmed

Possible Causes:



The DTC is set if there are no keyless entry transmitter programmed to the RCDLR.
 

Trouble Code: B3109 00



Keyless Entry Transmitter 1 Low Battery

Possible Causes:



The DTC sets after 3 consecutive low battery signals from the same programmed transmitter.
 

Trouble Code: B3110 00



Keyless Entry Transmitter 2 Low Battery

Possible Causes:



The DTC sets after 3 consecutive low battery signals from the same programmed transmitter.
 

Trouble Code: B3111 00



Keyless Entry Transmitter 3 Low Battery

Possible Causes:



The DTC sets after 3 consecutive low battery signals from the same programmed transmitter.
 

Trouble Code: B3112 00



Keyless Entry Transmitter 4 Low Battery

Possible Causes:



The DTC sets after 3 consecutive low battery signals from the same programmed transmitter.
 

Trouble Code: B3140 00



Driver Unlock Switch Circuit

Possible Causes:



B3140 00 or B3150 00
 
The BCM detects a short to ground in the driver door lock switch lock or unlock signal circuits.
 

Trouble Code: B3145 00



Passenger Unlock Switch Circuit

Possible Causes:



B3145 00 or B3155 00
 
The BCM detects a short to ground in the passenger door lock switch lock or unlock signal circuits.
 

Trouble Code: B3150 00



Driver Lock Switch Circuit

Possible Causes:



B3140 00 or B3150 00
 
The BCM detects a short to ground in the driver door lock switch lock or unlock signal circuits.
 

Trouble Code: B3155 00



Right Front Lock Switch Circuit

Possible Causes:



B3145 00 or B3155 00
 
The BCM detects a short to ground in the passenger door lock switch lock or unlock signal circuits.
 

Trouble Code: B3205 00



Window Inactive Over Current Fault

Possible Causes:



B3205 00
 
The DDS or PDS detects a short to ground or short to voltage on their respective window motor control circuit.
 

Trouble Code: B3205 0B



Window Motor Fast Over Current Fault

Possible Causes:



B3205 0B
 
The DDS or PDS has detected excessive current flow on their respective window motor control circuit.
 

Trouble Code: B3600 03



Passenger Compartment Dimming Request Signal Voltage Below Threshold

Possible Causes:



The BCM detects a short to ground or an open/high resistance in the I/P dimmer switch signal circuit.
 

Trouble Code: B3600 07



Passenger Compartment Dimming Request Signal Voltage Above Threshold

Possible Causes:



The BCM detects a short to ground or an open/high resistance in the I/P dimmer switch signal circuit.
 

Trouble Code: B3604 01



Adjustable Foot Pedal Forward Switch Circuit Short to Battery

Possible Causes:



The forward and rearward switch signal circuits are active at the same time.
 

Trouble Code: B3605 01



Adjustable Foot Pedal Rearward Switch Circuit Short to Battery

Possible Causes:



The forward and rearward switch signal circuits are active at the same time.
 

Trouble Code: B3606 01



Adjustable Foot Pedal Position Sensor Circuit Short to Battery

Possible Causes:



The position sensor input to the MSM is not within the 0.45-4.55 volt range.
 

Trouble Code: B3606 06



Adjustable Foot Pedal Position Sensor Circuit Short to Ground or Open

Possible Causes:



The position sensor input to the MSM is not within the 0.45-4.55 volt range.
 

Trouble Code: B3631 00



Adjustable Foot Pedal Inhibit Circuit

Possible Causes:



The BCM detects a short to ground on the park enable relay control circuit while attempting to activate the output.
 

Trouble Code: B3875 00



Wiper High Speed Relay Circuit

Possible Causes:



This DTC sets if the BCM detects a short to voltage on the wiper high speed relay control circuit.
 

Trouble Code: B3884 00



Center High Mounted Stop Lamp (CHMSL) Circuit

Possible Causes:



The BCM detects a short to ground in the CHMSL relay control circuit when the stop lamps are commanded ON.
 

Trouble Code: B3894 5A



Stop Lamp Switch Circuit Plausibility Failure

Possible Causes:



The brake switch serial data message is not valid.
 
The actual brake switch input to the TBCM, and the serial data information for the brake switch do not match.
 

Trouble Code: C0035 00



Left Front Wheel Speed Sensor Circuit

Possible Causes:



C0035 00-C0040 00
 
A short to ground, or an open/high resistance is detected on the wheel speed sensor 12-volt reference circuit.
 
A short to voltage, short to ground or an open/high resistance is detected on the signal circuit.
 
Wheel speed sensor power supply is less than 7.6 volts.
 
A missing wheel speed sensor signal.
 

Trouble Code: C0035 02



Left Front Wheel Speed Sensor Circuit Short to Ground

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: C0035 05



Left Front Wheel Speed Sensor Circuit Short to Battery or Open

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: C0035 0F



Left 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: C0035 18



Left 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: C0035 5A



Left 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: C0040 00



Right Front Wheel Speed Sensor Circuit

Possible Causes:



C0035 00-C0040 00
 
A short to ground, or an open/high resistance is detected on the wheel speed sensor 12-volt reference circuit.
 
A short to voltage, short to ground or an open/high resistance is detected on the signal circuit.
 
Wheel speed sensor power supply is less than 7.6 volts.
 
A missing wheel speed sensor signal.
 

Trouble Code: C0040 02



Right Front Wheel Speed Sensor Circuit Short to Ground

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 05



Right Front Wheel Speed Sensor Circuit Short to Battery or Open

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.
 

 
label.common.footer.alt.autozoneLogo