B1D04
Mirror Adjust Switch Input Circuit Performance
B1D04 is an OBD-II diagnostic trouble code meaning: Mirror Adjust Switch Input Circuit Performance. Common causes: malfunction of the mirror adjustment switch, open or short circuit in wiring harness. Estimated repair cost: $22–111.
Symptoms
- Inoperability of mirror adjustment
- Intermittent mirror adjustment
- Check Engine light comes on
Causes
- Malfunction of the mirror adjustment switch
- Open or short circuit in wiring harness
- Poor contact in connectors
- Damage to the circuit fuse
- Problem with mirror control module
How to Fix
- Check the mirror adjustment circuit fuse
- Inspect the wiring harness for damage
- Check the contacts in the connectors of the switch and the mirror module
- Test the mirror adjustment switch
- Check the integrity of the mirror control circuit
- If necessary, replace faulty components
Related codes
FAQ
What does the B1D04 code mean?
B1D04 is an OBD-II diagnostic trouble code that indicates: Mirror Adjust Switch Input Circuit Performance
What causes a B1D04 error code?
The most common causes of B1D04 include: Malfunction of the mirror adjustment switch; Open or short circuit in wiring harness; Poor contact in connectors; Damage to the circuit fuse.
How do I fix a B1D04 diagnostic trouble code?
To fix B1D04: Check the mirror adjustment circuit fuse. Inspect the wiring harness for damage. Check the contacts in the connectors of the switch and the mirror module. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B1D04?
Yes, but get it checked soon
How much does it cost to fix B1D04?
The estimated repair cost for B1D04 is $22–111. Actual cost depends on your vehicle, location, and labor rates.
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