OBD Guide
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B1741

Mirror Passenger Vertical Switch Circuit Failure

B1741 is an OBD-II diagnostic trouble code meaning: Mirror Passenger Vertical Switch Circuit Failure. Common causes: open or short circuit in wiring harness, mirror adjustment switch malfunction. Estimated repair cost: $22–111.

Severity
✅ Low
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$22–111 (est.)

Symptoms

  • The vertical adjustment of the passenger mirror does not work
  • The mirror does not move when the switch is pressed
  • Intermittent mirror operation

Causes

  • Open or short circuit in wiring harness
  • Mirror adjustment switch malfunction
  • Damage to the mirror motor
  • Contact corrosion
  • Problems with the mirror control unit

How to Fix

  1. Check wiring harness for damage
  2. Test the mirror adjustment switch
  3. Check the mirror motor
  4. Clean contacts from corrosion
  5. Replacing faulty components

Related codes

B1740B1742B1743

FAQ

What does the B1741 code mean?

B1741 is an OBD-II diagnostic trouble code that indicates: Mirror Passenger Vertical Switch Circuit Failure

What causes a B1741 error code?

The most common causes of B1741 include: Open or short circuit in wiring harness; Mirror adjustment switch malfunction; Damage to the mirror motor; Contact corrosion.

How do I fix a B1741 diagnostic trouble code?

To fix B1741: Check wiring harness for damage. Test the mirror adjustment switch. Check the mirror motor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1741?

Do not drive — repair immediately

How much does it cost to fix B1741?

The estimated repair cost for B1741 is $22–111. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat