OBD Guide

B2338

Mirror Switch Assembly Circuit Short to Battery

B2338 is an OBD-II diagnostic trouble code meaning: Mirror Switch Assembly Circuit Short to Battery. Common causes: damaged wiring harness insulation, oxidation of switch contacts. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Incorrect mirror adjustment
  • Complete failure of the mirror adjustment system
  • Mirror circuit fuse tripping

Causes

  • Damaged wiring harness insulation
  • Oxidation of switch contacts
  • Mechanical damage to wiring
  • Switch block malfunction

How to Fix

  1. Check the condition of the mirror circuit fuse
  2. Inspect the wiring harness for damage
  3. Check switch contacts for oxidation
  4. Test the operation of the switch block
  5. Replace damaged components if necessary

Related codes

FAQ

What does the B2338 code mean?

B2338 is an OBD-II diagnostic trouble code that indicates: Mirror Switch Assembly Circuit Short to Battery

What causes a B2338 error code?

The most common causes of B2338 include: Damaged wiring harness insulation; Oxidation of switch contacts; Mechanical damage to wiring; Switch block malfunction.

How do I fix a B2338 diagnostic trouble code?

To fix B2338: Check the condition of the mirror circuit fuse. Inspect the wiring harness for damage. Check switch contacts for oxidation. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2338?

Yes, but get it checked soon

How much does it cost to fix B2338?

The estimated repair cost for B2338 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat