Diagnostic Instructions
| • | Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure. |
| • | Review Strategy Based Diagnosis for an overview of the diagnostic approach. |
| • | Diagnostic Procedure Instructions provides an overview of each diagnostic category. |
DTC Descriptor
DTC B2976 00: Driver Door Ajar CircuitDiagnostic Fault Information
Circuit | Short to Ground | Open/High Resistance | Short to Voltage | Signal Performance |
|---|---|---|---|---|
Driver Door Ajar | B2976 00 | 1 | 1 | -- |
1. Door Ajar Malfunction | ||||
Circuit/System Description
When the driver door lock is in to the AJAR position, ground is applied through the switch to the body control module (BCM). The BCM then sends a class 2 message to the instrument panel cluster to illuminate the ajar indicator.
Conditions for Running the DTC
The ignition is ON.
Conditions for Setting the DTC
The BCM receives a voltage signal on the driver door ajar circuit.
Action Taken When the DTC Sets
The Ajar indicator is ON at all times.
Conditions for Clearing the DTC
The BCM clears this code from current when the fault is removed from the system.
Reference Information
Schematic Reference
Door Lock/Indicator Schematics
Connector End View Reference
Vehicle Access Connector End Views
Electrical Information Reference
Scan Tool Reference
Circuit/System Verification
Ignition ON, open the driver side door. The driver door ajar indicator should illuminate. Close the driver door. The ajar indicator should turn OFF.
Circuit/System Testing
- Disconnect the driver door lock connector. Verify the DTC resets.
- If the DTC does not reset, replace the driver door lock assembly.
- Test for a short to ground in the driver door ajar circuit.
- If all circuits/connections test normal, replace the BCM.
Repair Instructions
Perform the Diagnostic Repair Verification after completing the diagnostic procedure.
| • | Control Module References for BCM replacement, setup, and programming |
