B1018
Occupant Sensor
B1018 is an OBD-II diagnostic trouble code meaning: Occupant Sensor. Common causes: faulty passenger presence sensor, open or short circuit in wiring harness. Estimated repair cost: $111–167.
Symptoms
- Airbag light is on
- Passenger airbag does not deploy
- Erroneous deployment of the passenger airbag
Causes
- Faulty passenger presence sensor
- Open or short circuit in wiring harness
- Oxidation of connector contacts
- Airbag control module malfunction
How to Fix
- Diagnose security system error codes
- Check connections and sensor wiring harness
- Check the passenger presence sensor with a multimeter
- Replace sensor if necessary
- Clear error codes and check system operation
Related codes
FAQ
What does the B1018 code mean?
B1018 is an OBD-II diagnostic trouble code that indicates: Occupant Sensor
What causes a B1018 error code?
The most common causes of B1018 include: Faulty passenger presence sensor; Open or short circuit in wiring harness; Oxidation of connector contacts; Airbag control module malfunction.
How do I fix a B1018 diagnostic trouble code?
To fix B1018: Diagnose security system error codes. Check connections and sensor wiring harness. Check the passenger presence sensor with a multimeter. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B1018?
Do not drive — repair immediately
How much does it cost to fix B1018?
The estimated repair cost for B1018 is $111–167. Actual cost depends on your vehicle, location, and labor rates.
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