OBD Guide
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B2305

Seat Headrest Feedback Potentiometer Circuit Short to Ground

B2305 is an OBD-II diagnostic trouble code meaning: Seat Headrest Feedback Potentiometer Circuit Short to Ground. Common causes: wiring harness damage, headrest potentiometer malfunction. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Incorrect operation of the headrest
  • The security system malfunction indicator lights up
  • Diagnostic memory error

Causes

  • Wiring harness damage
  • Headrest potentiometer malfunction
  • Short circuit to ground
  • Problems with seat electronics

How to Fix

  1. Check wiring harness for damage
  2. Check the resistance of the headrest potentiometer
  3. Check the continuity of the circuit to ground
  4. Replace faulty potentiometer or wiring harness

Related codes

B2300B2301B2302

FAQ

What does the B2305 code mean?

B2305 is an OBD-II diagnostic trouble code that indicates: Seat Headrest Feedback Potentiometer Circuit Short to Ground

What causes a B2305 error code?

The most common causes of B2305 include: Wiring harness damage; Headrest potentiometer malfunction; Short circuit to ground; Problems with seat electronics.

How do I fix a B2305 diagnostic trouble code?

To fix B2305: Check wiring harness for damage. Check the resistance of the headrest potentiometer. Check the continuity of the circuit to ground. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2305?

Limited driving only, diagnose soon

How much does it cost to fix B2305?

The estimated repair cost for B2305 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat