B1631 Code - Mirror Driver Left Circuit Failure
Quick Answer
The Body Control Module (BCM) monitors the Mirror Driver Motor. Common causes include Faulty Mirror Driver Motor, Mirror Driver Motor harness is open or shorted, Mirror Driver Motor circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- B1631 indicates Mirror Driver Left Circuit Failure.
- Common causes
- Common causes include Faulty Mirror Driver Motor, Mirror Driver Motor harness is open or shorted, Mirror Driver Motor circuit poor electrical connection.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code B1631 Description
What are the Possible Causes of the DTC B1631?
- Faulty Mirror Driver Motor
- Mirror Driver Motor harness is open or shorted
- Mirror Driver Motor circuit poor electrical connection
- Faulty Body Control Module (BCM)
How to Fix the DTC B1631?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the B1631 code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about B1631 Code
What does the OBDII code B1631 indicate?
B1631 indicates a failure in the driver's left mirror circuit, which may affect the functionality of the left side mirror.
What are common symptoms of the B1631 code?
Common symptoms include the left side mirror not adjusting, not responding to commands, or not functioning at all.
What could cause the B1631 code to trigger?
Causes may include a faulty mirror motor, damaged wiring, a blown fuse, or issues with the vehicle's body control module (BCM).
How can I diagnose the issue related to the B1631 code?
To diagnose the issue, check the mirror's wiring and connectors for damage, inspect the fuse related to the mirror circuit, and test the mirror motor for functionality.
Is it possible to reset the B1631 code without fixing the problem?
Yes, the code can be cleared using an OBDII scanner, but if the underlying issue is not resolved, the code will likely reappear.
What tools do I need to repair a B1631 code?
You may need a multimeter to test electrical components, an OBDII scanner to read and clear codes, and basic hand tools for any disassembly.
Can I drive my vehicle with the B1631 code?
While it may be safe to drive, the lack of a functioning left mirror can pose safety risks, so it’s best to address the issue promptly.
How much does it typically cost to fix the B1631 code?
Repair costs can vary widely but may range from $50 to $300, depending on whether the issue is a simple wiring fix or requires a new mirror assembly.
Are there any DIY fixes for the B1631 code?
A DIY fix may include checking and repairing any damaged wires or connectors, replacing a blown fuse, or attempting to clean the mirror motor connections.
Discuss the causes and fixes for B1631 OBDII Code
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