OBD Guide
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B1542

Mirror Driver Switch Assembly Circuit Short To Ground

B1542 is an OBD-II diagnostic trouble code meaning: Mirror Driver Switch Assembly Circuit Short To Ground. Common causes: wiring harness damage, oxidation of switch contacts. Estimated repair cost: $22–56.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$22–56 (est.)

Symptoms

  • Inability to adjust mirrors
  • Spontaneous movement of mirrors
  • Fuse blown

Causes

  • Wiring harness damage
  • Oxidation of switch contacts
  • Mirror switch malfunction
  • Short circuit to ground

How to Fix

  1. Check the integrity of the wiring harness
  2. Clean switch contacts
  3. Replace the mirror switch if necessary
  4. Check and repair the circuit if a short circuit is detected

Related codes

B1540B1541B1543

FAQ

What does the B1542 code mean?

B1542 is an OBD-II diagnostic trouble code that indicates: Mirror Driver Switch Assembly Circuit Short To Ground

What causes a B1542 error code?

The most common causes of B1542 include: Wiring harness damage; Oxidation of switch contacts; Mirror switch malfunction; Short circuit to ground.

How do I fix a B1542 diagnostic trouble code?

To fix B1542: Check the integrity of the wiring harness. Clean switch contacts. Replace the mirror switch if necessary. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1542?

Limited driving only, diagnose soon

How much does it cost to fix B1542?

The estimated repair cost for B1542 is $22–56. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat