OBD Guide

B1D1D

Mirror Motor Common Control Circuit Open

B1D1D is an OBD-II diagnostic trouble code meaning: Mirror Motor Common Control Circuit Open. Common causes: broken wires in the harness, damage to connectors. Estimated repair cost: $56–167.

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

Symptoms

  • Inability to adjust mirrors
  • Mirrors do not respond to commands from the switch
  • Intermittent mirror operation

Causes

  • Broken wires in the harness
  • Damage to connectors
  • Malfunction of the mirror control unit
  • Short circuit in the circuit
  • Problems with the mirror switch

How to Fix

  1. Check the integrity of the wiring harness
  2. Inspect connectors for damage
  3. Check power and ground on mirror motors
  4. Test the mirror control unit
  5. Replace damaged components

Related codes

FAQ

What does the B1D1D code mean?

B1D1D is an OBD-II diagnostic trouble code that indicates: Mirror Motor Common Control Circuit Open

What causes a B1D1D error code?

The most common causes of B1D1D include: Broken wires in the harness; Damage to connectors; Malfunction of the mirror control unit; Short circuit in the circuit.

How do I fix a B1D1D diagnostic trouble code?

To fix B1D1D: Check the integrity of the wiring harness. Inspect connectors for damage. Check power and ground on mirror motors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1D1D?

Limited driving only, diagnose soon

How much does it cost to fix B1D1D?

The estimated repair cost for B1D1D is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat