OBD Guide

B1D2A

Passenger Mirror Vertical Motor Control Circuit Performance

B1D2A is an OBD-II diagnostic trouble code meaning: Passenger Mirror Vertical Motor Control Circuit Performance. Common causes: broken or damaged wiring harness, poor contact in the connector. Estimated repair cost: $11–56.

Severity
Low
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$11–56 (est.)

Symptoms

  • Vertical mirror adjustment does not work
  • Mirror doesn't move up and down
  • Intermittent operation of the regulator

Causes

  • Broken or damaged wiring harness
  • Poor contact in the connector
  • Mirror motor malfunction
  • Problems with the mirror control module
  • Short circuit in the circuit

How to Fix

  1. Check the wiring harness for damage
  2. Check connections and contacts in connectors
  3. Test the operation of the mirror motor
  4. Check power and ground circuit
  5. Replace mirror motor if necessary

Related codes

FAQ

What does the B1D2A code mean?

B1D2A is an OBD-II diagnostic trouble code that indicates: Passenger Mirror Vertical Motor Control Circuit Performance

What causes a B1D2A error code?

The most common causes of B1D2A include: Broken or damaged wiring harness; Poor contact in the connector; Mirror motor malfunction; Problems with the mirror control module.

How do I fix a B1D2A diagnostic trouble code?

To fix B1D2A: Check the wiring harness for damage. Check connections and contacts in connectors. Test the operation of the mirror motor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1D2A?

Yes, but get it checked soon

How much does it cost to fix B1D2A?

The estimated repair cost for B1D2A is $11–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat