B1634
Mirror Driver Left Circuit Short To Ground
B1634 is an OBD-II diagnostic trouble code meaning: Mirror Driver Left Circuit Short To Ground. Common causes: damage to the wiring harness (frayed, cut), short circuit in the mirror motor. Estimated repair cost: $6–56.
Symptoms
- Left mirror adjustment functions do not work
- The mirror motor may overheat
- The mirror circuit fuse may trip
Causes
- Damage to the wiring harness (frayed, cut)
- Short circuit in the mirror motor
- Damage to the mirror connector
- Contact corrosion
- Problems with the mirror control module
How to Fix
- Conduct a visual inspection of the wiring harness to the left mirror
- Check continuity with a multimeter
- Check the condition of the mirror connector for corrosion
- Test the mirror motor
- Replace damaged components if necessary
Related codes
FAQ
What does the B1634 code mean?
B1634 is an OBD-II diagnostic trouble code that indicates: Mirror Driver Left Circuit Short To Ground
What causes a B1634 error code?
The most common causes of B1634 include: Damage to the wiring harness (frayed, cut); Short circuit in the mirror motor; Damage to the mirror connector; Contact corrosion.
How do I fix a B1634 diagnostic trouble code?
To fix B1634: Conduct a visual inspection of the wiring harness to the left mirror. Check continuity with a multimeter. Check the condition of the mirror connector for corrosion. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B1634?
Yes, but get it checked soon
How much does it cost to fix B1634?
The estimated repair cost for B1634 is $6–56. Actual cost depends on your vehicle, location, and labor rates.
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