B1699
Passengers Seat Occupied Switch Circuit Short to Ground
B1699 is an OBD-II diagnostic trouble code meaning: Passengers Seat Occupied Switch Circuit Short to Ground. Common causes: wiring harness damage, seat occupancy sensor malfunction. Estimated repair cost: $56–167.
Symptoms
- The passive safety system fault indicator is on
- Incorrect operation of the passenger airbag
- Error B1699 in diagnostic scanner memory
Causes
- Wiring harness damage
- Seat occupancy sensor malfunction
- Corrosion or oxidation of contacts in connectors
- Problems with the restraint system control unit
How to Fix
- Check the integrity of the wiring harness in the passenger seat area
- Check the condition of connectors and contacts
- Measure the resistance of the seat occupancy sensor
- If necessary, replace the sensor or repair the wiring harness
- Clear error memory and check system functionality
Related codes
FAQ
What does the B1699 code mean?
B1699 is an OBD-II diagnostic trouble code that indicates: Passengers Seat Occupied Switch Circuit Short to Ground
What causes a B1699 error code?
The most common causes of B1699 include: Wiring harness damage; Seat occupancy sensor malfunction; Corrosion or oxidation of contacts in connectors; Problems with the restraint system control unit.
How do I fix a B1699 diagnostic trouble code?
To fix B1699: Check the integrity of the wiring harness in the passenger seat area. Check the condition of connectors and contacts. Measure the resistance of the seat occupancy sensor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B1699?
Do not drive — repair immediately
How much does it cost to fix B1699?
The estimated repair cost for B1699 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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