C1981
Driver Seat Track Position Sensor Circuit Fault
C1981 is an OBD-II diagnostic trouble code meaning: Driver Seat Track Position Sensor Circuit Fault. Common causes: open or short circuit in the sensor wiring harness, faulty seat position sensor. Estimated repair cost: $56–167.
Symptoms
- Seat position memory system does not work
- Incorrect seat position during automatic adjustment
- Airbag malfunction indicator (on some models)
- The seat does not move or moves jerkily
Causes
- Open or short circuit in the sensor wiring harness
- Faulty seat position sensor
- Oxidized or damaged connector pins
- Problems with the seat control unit
- Mechanical damage to seat rails
How to Fix
- Check the sensor wiring harness for damage.
- Check the connections and contacts of the sensor connector
- Test the position sensor with a multimeter
- If necessary, replace the position sensor
- Check and, if necessary, replace the seat control unit
- Reset the error and check the system operation
Related codes
FAQ
What does the C1981 code mean?
C1981 is an OBD-II diagnostic trouble code that indicates: Driver Seat Track Position Sensor Circuit Fault
What causes a C1981 error code?
The most common causes of C1981 include: Open or short circuit in the sensor wiring harness; Faulty seat position sensor; Oxidized or damaged connector pins; Problems with the seat control unit.
How do I fix a C1981 diagnostic trouble code?
To fix C1981: Check the sensor wiring harness for damage.. Check the connections and contacts of the sensor connector. Test the position sensor with a multimeter. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with C1981?
Yes, but get it checked soon
How much does it cost to fix C1981?
The estimated repair cost for C1981 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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