OBD Guide

B2302

Seat Headrest Feedback Potentiometer Circuit Failure

B2302 is an OBD-II diagnostic trouble code meaning: Seat Headrest Feedback Potentiometer Circuit Failure. Common causes: open or short circuit in wiring harness, headrest potentiometer malfunction. Estimated repair cost: $33–167.

Severity
⚠️ Medium
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$33–167 (est.)

Symptoms

  • Inability to adjust the headrest
  • SRS malfunction lamp is on
  • The headrest does not lock in the specified position

Causes

  • Open or short circuit in wiring harness
  • Headrest potentiometer malfunction
  • Damage to connectors or corrosion of contacts
  • Problems with the seat control unit

How to Fix

  1. Check the integrity of the wiring harness to the headrest
  2. Check the contacts in the connectors for corrosion
  3. Measure the resistance of the headrest potentiometer
  4. If necessary, replace the headrest position sensor
  5. Check operation after repair and reset error

Related codes

FAQ

What does the B2302 code mean?

B2302 is an OBD-II diagnostic trouble code that indicates: Seat Headrest Feedback Potentiometer Circuit Failure

What causes a B2302 error code?

The most common causes of B2302 include: Open or short circuit in wiring harness; Headrest potentiometer malfunction; Damage to connectors or corrosion of contacts; Problems with the seat control unit.

How do I fix a B2302 diagnostic trouble code?

To fix B2302: Check the integrity of the wiring harness to the headrest. Check the contacts in the connectors for corrosion. Measure the resistance of the headrest potentiometer. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2302?

Do not drive — repair immediately

How much does it cost to fix B2302?

The estimated repair cost for B2302 is $33–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat