OBD code B2961 indicates a fault with the ignition switch circuit in the Body Control Module (BCM).
Symptoms include the Engine Light being ON.
The issue is commonly caused by a faulty ignition switch or related wiring problems.
It is important to address promptly to prevent potential starting or electrical issues.
A possible fix involves inspecting and repairing the ignition switch circuit and related components.
Repair Importance Level | 10.0 (Out of 10) |
Estimated Repair Time | Approximately 1.0 hour |
Repair Difficulty Level | 10.0 (Out of 10) |
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Symptoms of the b2961 OBD Code
The vehicle displays an illuminated airbag warning light on the dashboard.
- Symptoms: Service Theft System message on the driver information center.
- Engine may not start.
- Security light may flash while driving.
Causes of the b2961 OBD Code
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Possible issues related to fault code B2961 include faulty keyless entry module or wiring problems.
- B2961 can be caused by a faulty Ignition Switch.
- An open or shorted Ignition Switch harness.
- A poor electrical connection in the Ignition Switch circuit.
- A faulty Body Control Module (BCM).
Fixing Error Code b2961 Step By Step
To address fault code B2961, inspect the ignition key lock cylinder for proper operation and alignment.
- To fix OBDII code B2961, start by reviewing the possible causes mentioned above.
- Visually examine the wiring harness and connectors related to the code.
- Check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.
- If no visible issues are found, proceed to test the affected module for proper operation.
- Reset or reprogram the module as necessary.
- Consider replacing the module if all other steps do not resolve the issue.
Cost Of Fixing b2961 Fault Code
Diagnosing and repairing fault code B2961 may involve inspecting and replacing the key code data.
The cost to diagnose and fix OBD code B2961 depends on the estimated 1. 0hour repair time.
Labor rates usually range from $75 to $150 per hour, so the total cost could be between $75 and $150. Actual cost may vary based on shop rates and the complexity of the repair.
Details of the b2961 OBD Code
B2961 code indicates a low voltage condition in the keyless entry antenna.
OBD code B2961 means Ignition Run/Acc Circuit Open on GM vehicles.
This code is triggered when the Body Control Module (BCM) detects an open circuit in the ignition run/acc circuit.
The ignition run/acc circuit is responsible for providing power to various components when the ignition is in the run or accessory position.
When this circuit is open, it can prevent certain systems from functioning properly, such as the radio, power windows, or interior lights.
Mechanic’s Tech Notes
Code B2961 indicates a low voltage condition in the keyin ignition circuit.
To diagnose and fix OBDII code B2961, start by checking the Transmission Control Module (TCM) power and ground using a multimeter.
Verify TCM communication over the Controller Area Network (CAN) network with a scan tool.
If the TCM does not respond, reprogramming or reflashing may be necessary.
Visually inspect the wiring harness and connectors for any damage, and check connector pins for signs of being broken, bent, pushed out, or corroded.
This thorough inspection can help identify and resolve the issue causing the B2961 fault code.
FAQ
OBD code B2961 indicates an issue with the ignition switch circuit. Symptoms include Engine Light ON. Causes may be a faulty ignition switch or poor electrical connection. Fix: Inspect wiring and connectors.
Common symptoms of OBD code B2961 include Engine Light ON, caused by a faulty Ignition Switch, harness issues, or a faulty Body Control Module. Inspect and repair wiring connections.
Diagnose OBD code B2961 by checking for a faulty ignition switch, open/shorted harness, poor connections, or faulty BCM. Inspect wiring and connectors for damage or corrosion.

Wrap Up
If your vehicle is displaying OBD code b2961, you may experience issues with the rear seat audio control module.
This could be caused by a faulty module, damaged wiring, or poor connections.
Symptoms may include inoperative rear seat audio controls or erratic behavior from the module.
To address OBD code b2961, start by inspecting the wiring harness for any visible damage or loose connections.
Test the connectors for proper fit and corrosion.
If no issues are found, consider replacing the rear seat audio control module to resolve the problem effectively.