OBD Guide

B1D28

Mirror Motor Common Control Circuit High

B1D28 is an OBD-II diagnostic trouble code meaning: Mirror Motor Common Control Circuit High. Common causes: short circuit in control circuit, mirror motor malfunction. Estimated repair cost: $56–167.

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

Symptoms

  • Mirrors are not adjustable
  • Mirrors move jerkily
  • The fuse blows

Causes

  • Short circuit in control circuit
  • Mirror motor malfunction
  • Wiring harness damage
  • Malfunction of the mirror control unit

How to Fix

  1. Check the mirror control circuit fuse
  2. Inspect the wiring harness for damage
  3. Check the mirror motor for functionality
  4. Diagnose the mirror control unit

Related codes

FAQ

What does the B1D28 code mean?

B1D28 is an OBD-II diagnostic trouble code that indicates: Mirror Motor Common Control Circuit High

What causes a B1D28 error code?

The most common causes of B1D28 include: Short circuit in control circuit; Mirror motor malfunction; Wiring harness damage; Malfunction of the mirror control unit.

How do I fix a B1D28 diagnostic trouble code?

To fix B1D28: Check the mirror control circuit fuse. Inspect the wiring harness for damage. Check the mirror motor for functionality. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1D28?

Limited driving only, diagnose soon

How much does it cost to fix B1D28?

The estimated repair cost for B1D28 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat