B154A
Driver Mirror Internal Malfunction
B154A is an OBD-II diagnostic trouble code meaning: Driver Mirror Internal Malfunction. Common causes: mirror motor malfunction, open or short circuit in wiring harness.
Severity
✅ LowCan you drive?
Limited driving only, diagnose soon
Symptoms
- The driver's mirror does not respond to adjustments
- Random mirror movements without command
- Comfort system fault indicator lights up
Causes
- Mirror motor malfunction
- Open or short circuit in wiring harness
- Damage to the mirror connector
- Contact corrosion
- Malfunction of the mirror control unit
How to Fix
- Check the integrity of the mirror wiring harness
- Inspect connectors for corrosion or damage
- Check the functionality of the mirror drive motor
- Replace the faulty component
- Reset the error and check the functionality of the mirror
Related codes
FAQ
What does the B154A code mean?
B154A is an OBD-II diagnostic trouble code that indicates: Driver Mirror Internal Malfunction
What causes a B154A error code?
The most common causes of B154A include: Mirror motor malfunction; Open or short circuit in wiring harness; Damage to the mirror connector; Contact corrosion.
How do I fix a B154A diagnostic trouble code?
To fix B154A: Check the integrity of the mirror wiring harness. Inspect connectors for corrosion or damage. Check the functionality of the mirror drive motor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B154A?
Limited driving only, diagnose soon
See also: Russian version · NationStat