OBD Guide
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B2319

Mirror Passenger Vertical Feedback Potentiometer Circuit Short To Ground

B2319 is an OBD-II diagnostic trouble code meaning: Mirror Passenger Vertical Feedback Potentiometer Circuit Short To Ground. Common causes: wiring harness damage, short circuit in potentiometer circuit. Estimated repair cost: $56–167.

Severity
✅ Low
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$56–167 (est.)

Symptoms

  • Inability to adjust the passenger mirror vertically
  • Spontaneous movement of the mirror
  • Error on the on-board computer display

Causes

  • Wiring harness damage
  • Short circuit in potentiometer circuit
  • Potentiometer fault
  • Problems with the mirror control unit

How to Fix

  1. Check the integrity of the wiring harness
  2. Check potentiometer resistance
  3. Replace faulty potentiometer if necessary
  4. Check the operation of the mirror control unit

Related codes

B2320B2321

FAQ

What does the B2319 code mean?

B2319 is an OBD-II diagnostic trouble code that indicates: Mirror Passenger Vertical Feedback Potentiometer Circuit Short To Ground

What causes a B2319 error code?

The most common causes of B2319 include: Wiring harness damage; Short circuit in potentiometer circuit; Potentiometer fault; Problems with the mirror control unit.

How do I fix a B2319 diagnostic trouble code?

To fix B2319: Check the integrity of the wiring harness. Check potentiometer resistance. Replace faulty potentiometer if necessary. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2319?

Do not drive — repair immediately

How much does it cost to fix B2319?

The estimated repair cost for B2319 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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