B1017
Occupant Sensor Control Unit
B1017 is an OBD-II diagnostic trouble code meaning: Occupant Sensor Control Unit. Common causes: occupant sensor (ocs) malfunction, damage to the wiring harness to the sensor. Estimated repair cost: $56–278.
Symptoms
- Airbag malfunction indicator light is on
- Passenger seat belt indicator missing
- The passive safety system goes into emergency mode
- Incorrect operation of the passenger airbag in an accident
Causes
- Occupant Sensor (OCS) malfunction
- Damage to the wiring harness to the sensor
- Problems with the airbag control unit
- Low load cell battery (battery powered systems)
- Corrosion or oxidation of contacts
- Incorrect system initialization after seat replacement
How to Fix
- Carry out computer diagnostics of the SRS system
- Check the integrity of the sensor wiring harness
- Inspect the connector contacts for oxidation
- Check the resistance of the presence sensor (compare with the nominal value)
- If necessary, replace the sensor or its components
- Calibrate the OCS system after repair
- Reset restraint system errors
Related codes
FAQ
What does the B1017 code mean?
B1017 is an OBD-II diagnostic trouble code that indicates: Occupant Sensor Control Unit
What causes a B1017 error code?
The most common causes of B1017 include: Occupant Sensor (OCS) malfunction; Damage to the wiring harness to the sensor; Problems with the airbag control unit; Low load cell battery (battery powered systems).
How do I fix a B1017 diagnostic trouble code?
To fix B1017: Carry out computer diagnostics of the SRS system. Check the integrity of the sensor wiring harness. Inspect the connector contacts for oxidation. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B1017?
Do not drive — repair immediately
How much does it cost to fix B1017?
The estimated repair cost for B1017 is $56–278. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat