OBD Guide

B1F02

Mirror Vertical Motor Control Circuit

B1F02 is an OBD-II diagnostic trouble code meaning: Mirror Vertical Motor Control Circuit. Common causes: open or short circuit in wiring harness, mirror motor malfunction. Estimated repair cost: $56–167.

Severity
Low
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • The mirror does not move in the vertical plane
  • The mirror does not respond to adjustment commands
  • Malfunction indicator on the instrument panel

Causes

  • Open or short circuit in wiring harness
  • Mirror motor malfunction
  • Problems with the mirror control unit
  • Oxidation of connector contacts

How to Fix

  1. Check wiring harness for open or short circuit
  2. Check the mirror motor
  3. Check the mirror control unit
  4. Clean connector contacts

Related codes

FAQ

What does the B1F02 code mean?

B1F02 is an OBD-II diagnostic trouble code that indicates: Mirror Vertical Motor Control Circuit

What causes a B1F02 error code?

The most common causes of B1F02 include: Open or short circuit in wiring harness; Mirror motor malfunction; Problems with the mirror control unit; Oxidation of connector contacts.

How do I fix a B1F02 diagnostic trouble code?

To fix B1F02: Check wiring harness for open or short circuit. Check the mirror motor. Check the mirror control unit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1F02?

Limited driving only, diagnose soon

How much does it cost to fix B1F02?

The estimated repair cost for B1F02 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat