B1889
Passenger Airbag Disable Module Sensor Obstructed
B1889 is an OBD-II diagnostic trouble code meaning: Passenger Airbag Disable Module Sensor Obstructed. Common causes: foreign object on passenger seat, mechanical damage to the sensor. Estimated repair cost: $56–167.
Symptoms
- Airbag light is on
- Passenger airbag does not activate
- Error B1889 in fault memory
Causes
- Foreign object on passenger seat
- Mechanical damage to the sensor
- Open or shorted wiring harness
- Airbag deactivation module malfunction
How to Fix
- Remove all items from the front passenger seat
- Check the condition of the sensor under the seat
- Check the integrity of the wiring harness and contacts
- Scan the airbag system for other errors
- Replace shutdown module if necessary
Related codes
FAQ
What does the B1889 code mean?
B1889 is an OBD-II diagnostic trouble code that indicates: Passenger Airbag Disable Module Sensor Obstructed
What causes a B1889 error code?
The most common causes of B1889 include: Foreign object on passenger seat; Mechanical damage to the sensor; Open or shorted wiring harness; Airbag deactivation module malfunction.
How do I fix a B1889 diagnostic trouble code?
To fix B1889: Remove all items from the front passenger seat. Check the condition of the sensor under the seat. Check the integrity of the wiring harness and contacts. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B1889?
Do not drive — repair immediately
How much does it cost to fix B1889?
The estimated repair cost for B1889 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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