OBD Guide

B1631

Mirror Driver Left Circuit Failure

B1631 is an OBD-II diagnostic trouble code meaning: Mirror Driver Left Circuit Failure. Common causes: broken wiring harness, 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

  • Left mirror doesn't work
  • The mirror is not adjustable
  • The mirror does not fold (if there is a function)

Causes

  • Broken wiring harness
  • Mirror motor malfunction
  • Problems with the control unit
  • Short circuit in the circuit
  • Oxidation of contacts

How to Fix

  1. Check the integrity of the wiring harness
  2. Check the operation of the mirror motor
  3. Diagnose the control unit
  4. Replace faulty components
  5. Clear and restore contacts

Related codes

FAQ

What does the B1631 code mean?

B1631 is an OBD-II diagnostic trouble code that indicates: Mirror Driver Left Circuit Failure

What causes a B1631 error code?

The most common causes of B1631 include: Broken wiring harness; Mirror motor malfunction; Problems with the control unit; Short circuit in the circuit.

How do I fix a B1631 diagnostic trouble code?

To fix B1631: Check the integrity of the wiring harness. Check the operation of the mirror motor. Diagnose the control unit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1631?

Limited driving only, diagnose soon

How much does it cost to fix B1631?

The estimated repair cost for B1631 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat