OBD Guide
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B1D15

Passenger Mirror Vertical Position Sensor Input Circuit Low

B1D15 is an OBD-II diagnostic trouble code meaning: Passenger Mirror Vertical Position Sensor Input Circuit Low. Common causes: position sensor malfunction, open or shorted wiring harness. Estimated repair cost: $33–111.

Severity
✅ Low
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$33–111 (est.)

Symptoms

  • Automatic adjustment of passenger mirror does not work
  • Mirror does not maintain position
  • Mirror fault indication

Causes

  • Position sensor malfunction
  • Open or shorted wiring harness
  • Poor contact in connectors
  • Control unit malfunction

How to Fix

  1. Check the integrity of the wiring harness
  2. Check contacts in connectors
  3. Check the operation of the position sensor
  4. Check the mirror control unit

Related codes

B1D16B1D14

FAQ

What does the B1D15 code mean?

B1D15 is an OBD-II diagnostic trouble code that indicates: Passenger Mirror Vertical Position Sensor Input Circuit Low

What causes a B1D15 error code?

The most common causes of B1D15 include: Position sensor malfunction; Open or shorted wiring harness; Poor contact in connectors; Control unit malfunction.

How do I fix a B1D15 diagnostic trouble code?

To fix B1D15: Check the integrity of the wiring harness. Check contacts in connectors. Check the operation of the position sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1D15?

Yes, but get it checked soon

How much does it cost to fix B1D15?

The estimated repair cost for B1D15 is $33–111. Actual cost depends on your vehicle, location, and labor rates.

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