OBD Guide

B1643

Mirror Passenger Right Circuit Failure

B1643 is an OBD-II diagnostic trouble code meaning: Mirror Passenger Right Circuit Failure. Common causes: broken wire harness, short circuit in the circuit. Estimated repair cost: $6–111.

Severity
Low
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$6–111 (est.)

Symptoms

  • The right power mirror does not work
  • Passenger side mirror not adjustable
  • Flashing mirror LED (if equipped)

Causes

  • Broken wire harness
  • Short circuit in the circuit
  • Oxidation of contacts
  • Mirror motor malfunction
  • Control module problem

How to Fix

  1. Check the integrity of the wiring harness
  2. Check the mirror connector contacts
  3. Check power to the electric motor
  4. Replace the faulty mirror if necessary
  5. Reset error code and check functionality

Related codes

FAQ

What does the B1643 code mean?

B1643 is an OBD-II diagnostic trouble code that indicates: Mirror Passenger Right Circuit Failure

What causes a B1643 error code?

The most common causes of B1643 include: Broken wire harness; Short circuit in the circuit; Oxidation of contacts; Mirror motor malfunction.

How do I fix a B1643 diagnostic trouble code?

To fix B1643: Check the integrity of the wiring harness. Check the mirror connector contacts. Check power to the electric motor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1643?

Do not drive — repair immediately

How much does it cost to fix B1643?

The estimated repair cost for B1643 is $6–111. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat