B1640
Mirror Passenger Left Circuit Open
B1640 is an OBD-II diagnostic trouble code meaning: Mirror Passenger Left Circuit Open. Common causes: broken or damaged wiring harness, mirror motor malfunction. Estimated repair cost: $11–56.
Symptoms
- Left passenger mirror adjustment does not work
- The mirror does not respond to commands from the switch
- There may be interruptions in the functioning of the mirror
Causes
- Broken or damaged wiring harness
- Mirror motor malfunction
- Poor connection in connectors
- Problems with the mirror switch
How to Fix
- Check the integrity of the wiring harness
- Inspect connectors for oxidation or damage
- Check the operation of the mirror motor
- Replace faulty components if necessary
Related codes
FAQ
What does the B1640 code mean?
B1640 is an OBD-II diagnostic trouble code that indicates: Mirror Passenger Left Circuit Open
What causes a B1640 error code?
The most common causes of B1640 include: Broken or damaged wiring harness; Mirror motor malfunction; Poor connection in connectors; Problems with the mirror switch.
How do I fix a B1640 diagnostic trouble code?
To fix B1640: Check the integrity of the wiring harness. Inspect connectors for oxidation or damage. Check the operation of the mirror motor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B1640?
Limited driving only, diagnose soon
How much does it cost to fix B1640?
The estimated repair cost for B1640 is $11–56. Actual cost depends on your vehicle, location, and labor rates.
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