OBD code B2631 indicates an issue with the Sunload Sensor circuit in the Air Conditioning (A/C) system.
Symptoms include the Engine Light being ON.
The cause could be a faulty Sunload Sensor, wiring harness issues, or a faulty A/C Automatic Amplifier.
This is a moderate issue.
To fix it, inspect the wiring harness, connectors, and components for any damage or poor connections.
| 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 b2631 OBD Code
The vehicle displays an airbag warning light on the dashboard with fault code B2631 stored.
- Symptoms: Service Engine Soon Warning Light may illuminate.
- Vehicle may experience difficulty starting.
- Engine may stall unexpectedly.
- Power windows may not operate correctly.
- Horn may not work.
Causes of the b2631 OBD Code
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Possible triggers for fault code B2631 include issues with the keyless entry system.
- B2631 can be caused by a faulty Sunload Sensor.
- A Sunload Sensor harness that is open or shorted.
- A Sunload Sensor circuit with poor electrical connection.
- A faulty Air Condition (A/C) Automatic Amplifier.
Fixing Error Code b2631 Step By Step
To address fault code B2631, inspect and repair the ignition switch circuit as needed.
- To fix OBDII code B2631, first, review the ‘Possible Causes’ mentioned above and visually examine the corresponding wiring harness and connectors.
- Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.
- Next, check the condition of the brake pedal position sensor and its wiring.
- Test the brake pedal position sensor for proper operation using a multimeter.
- Replace the brake pedal position sensor if it fails the test.
- Clear the fault codes and perform a road test to verify the repair.
- If the code persists, consider checking the brake control module for faults and possibly replacing it if necessary.
Cost Of Fixing b2631 Fault Code
The repair for fault code B2631 typically involves replacing the keyless entry receiver module.
The cost to diagnose and fix OBD code B2631 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. Factors like shop rates and complexity of the repair can influence the final cost.
Details of the b2631 OBD Code
B2631 indicates a problem with the keyless entry system in the vehicle.
OBD code B2631 means KeyInIgnition Switch Circuit Failure.
This code is triggered by the Body Control Module (BCM) when it detects a malfunction in the circuit related to the keyinignition switch.
The signal or system involved is the circuit that monitors the status of the key being inserted or removed from the ignition switch.
Mechanic’s Tech Notes
For fault code B2631, refer to detailed diagnostic information for troubleshooting and repair guidance.
To diagnose and fix OBDII code B2631, start by checking the Transmission Control Module (TCM) power and ground using a multimeter.
Verify TCM communication over the Controller Area Network (CAN) using 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 ensure connector pins are not broken, bent, pushed out, or corroded.
This thorough inspection can help identify and resolve the issue causing the B2631 fault code.
FAQ
OBD code B2631 indicates an issue with the Sunload Sensor circuit. Check for faults in the sensor, wiring, or A/C Automatic Amplifier. Inspect and repair as needed.
Common symptoms of OBD code B2631 include Engine Light ON, caused by issues like a faulty Sunload Sensor or poor electrical connections. Inspect and repair related components and wiring.
Diagnose OBD code B2631 by checking Sunload Sensor and A/C Automatic Amplifier for faults. Inspect wiring for damage or poor connections. Fix as needed.
Wrap Up
If your vehicle displays OBD code b2631, you may experience issues with the fuel pump secondary circuit.
This could be caused by a faulty fuel pump driver module, damaged wiring, or poor electrical connections in the fuel pump circuit.
To address OBD code b2631, check the fuel pump driver module for proper operation, inspect the wiring harness for any signs of damage or corrosion, and ensure all electrical connectors related to the fuel pump circuit are securely connected.
Consider replacing the fuel pump driver module if necessary.
