OBD Guide

B1D2D

Mirror Vertical Motor Control Circuit Open

B1D2D is an OBD-II diagnostic trouble code meaning: Mirror Vertical Motor Control Circuit Open. Common causes: broken wires in the harness, mirror motor malfunction. Estimated repair cost: $56–167.

Severity
Low
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$56–167 (est.)

Symptoms

  • Vertical mirror adjustment does not work
  • Mirror does not move when trying to adjust
  • Error indication on the dashboard

Causes

  • Broken wires in the harness
  • Mirror motor malfunction
  • Problems with the control unit
  • Contact corrosion
  • Mechanical damage to wiring

How to Fix

  1. Check the integrity of the wiring harness
  2. Check the operation of the mirror motor
  3. Inspect contacts for corrosion
  4. Check the control unit for errors
  5. Replace damaged components

Related codes

FAQ

What does the B1D2D code mean?

B1D2D is an OBD-II diagnostic trouble code that indicates: Mirror Vertical Motor Control Circuit Open

What causes a B1D2D error code?

The most common causes of B1D2D include: Broken wires in the harness; Mirror motor malfunction; Problems with the control unit; Contact corrosion.

How do I fix a B1D2D diagnostic trouble code?

To fix B1D2D: Check the integrity of the wiring harness. Check the operation of the mirror motor. Inspect contacts for corrosion. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1D2D?

Do not drive — repair immediately

How much does it cost to fix B1D2D?

The estimated repair cost for B1D2D is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat