OBD Guide
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B1733

Mirror Driver Vertical Switch Circuit Failure

B1733 is an OBD-II diagnostic trouble code meaning: Mirror Driver Vertical Switch Circuit Failure. Common causes: open or short circuit in wiring harness, mirror adjustment switch malfunction. Estimated repair cost: $33–111.

Severity
✅ Low
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–111 (est.)

Symptoms

  • Vertical mirror adjustment does not work
  • The mirror moves jerkily
  • The mirror does not lock in the specified position

Causes

  • Open or short circuit in wiring harness
  • Mirror adjustment switch malfunction
  • Oxidation of contacts in connectors
  • Damage to the mirror motor

How to Fix

  1. Check the integrity of the mirror wiring harness
  2. Inspect the switch contacts and connectors
  3. Replace the mirror adjustment switch if necessary
  4. Check the operation of the mirror motor

Related codes

B1732B1734B1735

FAQ

What does the B1733 code mean?

B1733 is an OBD-II diagnostic trouble code that indicates: Mirror Driver Vertical Switch Circuit Failure

What causes a B1733 error code?

The most common causes of B1733 include: Open or short circuit in wiring harness; Mirror adjustment switch malfunction; Oxidation of contacts in connectors; Damage to the mirror motor.

How do I fix a B1733 diagnostic trouble code?

To fix B1733: Check the integrity of the mirror wiring harness. Inspect the switch contacts and connectors. Replace the mirror adjustment switch if necessary. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1733?

Limited driving only, diagnose soon

How much does it cost to fix B1733?

The estimated repair cost for B1733 is $33–111. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat