OBD Guide

B1D1C

Mirror Motor Common Control Circuit High

B1D1C is an OBD-II diagnostic trouble code meaning: Mirror Motor Common Control Circuit High. Common causes: short circuit in control circuit, faulty mirror motor. Estimated repair cost: $22–78.

Severity
⚠️ Medium
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$22–78 (est.)

Symptoms

  • Mirrors are not adjustable
  • Intermittent mirror operation
  • The fault indicator lights up

Causes

  • Short circuit in control circuit
  • Faulty mirror motor
  • Damaged wiring harness
  • Problems in the control module

How to Fix

  1. Check wiring harness for damage
  2. Check mirror motor
  3. Diagnose the control module
  4. Replace faulty components

Related codes

FAQ

What does the B1D1C code mean?

B1D1C is an OBD-II diagnostic trouble code that indicates: Mirror Motor Common Control Circuit High

What causes a B1D1C error code?

The most common causes of B1D1C include: Short circuit in control circuit; Faulty mirror motor; Damaged wiring harness; Problems in the control module.

How do I fix a B1D1C diagnostic trouble code?

To fix B1D1C: Check wiring harness for damage. Check mirror motor. Diagnose the control module. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1D1C?

Do not drive — repair immediately

How much does it cost to fix B1D1C?

The estimated repair cost for B1D1C is $22–78. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat