B154B
Passenger Mirror Internal Malfunction
B154B is an OBD-II diagnostic trouble code meaning: Passenger Mirror Internal Malfunction. Common causes: wiring harness damage, oxidation of contacts. Estimated repair cost: $56–167.
Symptoms
- Right mirror adjustment does not work
- The mirror does not respond to commands from the control unit
- Intermittent mirror operation
Causes
- Wiring harness damage
- Oxidation of contacts
- Mirror motor malfunction
- Problems with the mirror control unit
How to Fix
- Check the integrity of the wiring harness
- Clean contacts from oxidation
- Test the mirror motor
- Check the operation of the mirror control unit
- Replace faulty components
Related codes
FAQ
What does the B154B code mean?
B154B is an OBD-II diagnostic trouble code that indicates: Passenger Mirror Internal Malfunction
What causes a B154B error code?
The most common causes of B154B include: Wiring harness damage; Oxidation of contacts; Mirror motor malfunction; Problems with the mirror control unit.
How do I fix a B154B diagnostic trouble code?
To fix B154B: Check the integrity of the wiring harness. Clean contacts from oxidation. Test the mirror motor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B154B?
Limited driving only, diagnose soon
How much does it cost to fix B154B?
The estimated repair cost for B154B is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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