OBD Guide

B1C10

Driver Up/Down Mirror Motor Circuit Short To Ground

B1C10 is an OBD-II diagnostic trouble code meaning: Driver Up/Down Mirror Motor Circuit Short To Ground. Common causes: damage to the wiring in the door or wiring harness, oxidation of motor connector contacts. Estimated repair cost: $22–167.

Severity
Low
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$22–167 (est.)

Symptoms

  • Driver's mirror does not respond to up/down adjustment commands
  • The mirror may move jerkily
  • The mirror can spontaneously change position
  • The mirror motor may make unusual sounds.

Causes

  • Damage to the wiring in the door or wiring harness
  • Oxidation of motor connector contacts
  • Malfunction of the mirror adjustment motor
  • Problems with the mirror control unit
  • Short circuit to ground in the power supply circuit

How to Fix

  1. Check the condition of the wiring harness in the door
  2. Inspect the adjustment motor connector for oxidation.
  3. Check the functionality of the mirror motor
  4. Diagnose the mirror control unit
  5. Check power circuit for short circuit

Related codes

FAQ

What does the B1C10 code mean?

B1C10 is an OBD-II diagnostic trouble code that indicates: Driver Up/Down Mirror Motor Circuit Short To Ground

What causes a B1C10 error code?

The most common causes of B1C10 include: Damage to the wiring in the door or wiring harness; Oxidation of motor connector contacts; Malfunction of the mirror adjustment motor; Problems with the mirror control unit.

How do I fix a B1C10 diagnostic trouble code?

To fix B1C10: Check the condition of the wiring harness in the door. Inspect the adjustment motor connector for oxidation.. Check the functionality of the mirror motor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1C10?

Limited driving only, diagnose soon

How much does it cost to fix B1C10?

The estimated repair cost for B1C10 is $22–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat