OBD Guide
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B2304

Seat Headrest Feedback Potentiometer Circuit Short to Battery

B2304 is an OBD-II diagnostic trouble code meaning: Seat Headrest Feedback Potentiometer Circuit Short to Battery. Common causes: wiring harness damage, short circuit to battery positive. Estimated repair cost: $22–89.

Severity
⚠️ Medium
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$22–89 (est.)

Symptoms

  • Inoperative or malfunctioning headrest
  • The security system malfunction indicator is on
  • Diagnostic system memory error

Causes

  • Wiring harness damage
  • Short circuit to battery positive
  • Headrest potentiometer malfunction
  • Corrosion of contacts or connectors

How to Fix

  1. Check the integrity of the wiring harness in the headrest area
  2. Check the resistance of the headrest potentiometer
  3. Inspect connectors for corrosion or damage
  4. Check the signal wire for short to positive
  5. If necessary, replace damaged components

Related codes

B2305B2306

FAQ

What does the B2304 code mean?

B2304 is an OBD-II diagnostic trouble code that indicates: Seat Headrest Feedback Potentiometer Circuit Short to Battery

What causes a B2304 error code?

The most common causes of B2304 include: Wiring harness damage; Short circuit to battery positive; Headrest potentiometer malfunction; Corrosion of contacts or connectors.

How do I fix a B2304 diagnostic trouble code?

To fix B2304: Check the integrity of the wiring harness in the headrest area. Check the resistance of the headrest potentiometer. Inspect connectors for corrosion or damage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2304?

Do not drive — repair immediately

How much does it cost to fix B2304?

The estimated repair cost for B2304 is $22–89. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat