OBD Guide

B1639

Mirror Passenger Left Circuit Failure

B1639 is an OBD-II diagnostic trouble code meaning: Mirror Passenger Left Circuit Failure. Common causes: broken wiring harness to the mirror, short circuit in the circuit. Estimated repair cost: $22–167.

Severity
Low
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$22–167 (est.)

Symptoms

  • Inoperative left passenger mirror
  • No heated mirror
  • Error indication on the instrument panel

Causes

  • Broken wiring harness to the mirror
  • Short circuit in the circuit
  • Mirror motor malfunction
  • Problem with the control unit

How to Fix

  1. Check wiring harness for damage
  2. Diagnose the functioning of the mirror
  3. Check fuses and relays associated with the mirror
  4. If necessary, replace the mirror or control unit

Related codes

FAQ

What does the B1639 code mean?

B1639 is an OBD-II diagnostic trouble code that indicates: Mirror Passenger Left Circuit Failure

What causes a B1639 error code?

The most common causes of B1639 include: Broken wiring harness to the mirror; Short circuit in the circuit; Mirror motor malfunction; Problem with the control unit.

How do I fix a B1639 diagnostic trouble code?

To fix B1639: Check wiring harness for damage. Diagnose the functioning of the mirror. Check fuses and relays associated with the mirror. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1639?

Limited driving only, diagnose soon

How much does it cost to fix B1639?

The estimated repair cost for B1639 is $22–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat