OBD Guide

B00C9

Passenger Seat Occupant Position Sensor C

B00C9 is an OBD-II diagnostic trouble code meaning: Passenger Seat Occupant Position Sensor C. Common causes: open or short circuit in wiring harness, oxidation of sensor contacts. Estimated repair cost: $56–167.

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

Symptoms

  • Airbag light is on
  • The passive safety system may be disabled
  • Incorrect identification of presence of a passenger

Causes

  • Open or short circuit in wiring harness
  • Oxidation of sensor contacts
  • Damage to the sensor itself
  • Malfunction of the airbag control unit

How to Fix

  1. Check the integrity of the wiring harness to the sensor
  2. Check sensor contacts for oxidation
  3. Replace passenger position sensor if necessary
  4. Check and reflash the airbag control unit if necessary

Related codes

Error B00C9 by Vehicle Brand

FAQ

What does the B00C9 code mean?

B00C9 is an OBD-II diagnostic trouble code that indicates: Passenger Seat Occupant Position Sensor C

What causes a B00C9 error code?

The most common causes of B00C9 include: Open or short circuit in wiring harness; Oxidation of sensor contacts; Damage to the sensor itself; Malfunction of the airbag control unit.

How do I fix a B00C9 diagnostic trouble code?

To fix B00C9: Check the integrity of the wiring harness to the sensor. Check sensor contacts for oxidation. Replace passenger position sensor if necessary. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B00C9?

Do not drive — repair immediately

How much does it cost to fix B00C9?

The estimated repair cost for B00C9 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat