Driver Seat Back Temperature Sensor
Table of contents
B1209 MERCURY Possible Causes
- Faulty Driver Seat Back Temperature Sensor
- Driver Seat Back Temperature Sensor harness is open or shorted
- Driver Seat Back Temperature Sensor circuit poor electrical connection
- Faulty Seat Control Module E (SCME)
How do I fix code B1209 MERCURY?
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.
Tech Notes
- B1209:01 Driver Seat Back Temperature Sensor General Electrical Failure
- B1209:98 Driver Seat Back Temperature Sensor Component or System Over Temperature
Cost of diagnosing the B1209 MERCURY code
The cost of diagnosing the B1209 MERCURY code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
B1209 MERCURY Description
The Seat Control Module E (SCME) monitors the Driver Seat Back Temperature Sensor. The SCME sets the OBDII code when the Driver Seat Back Temperature Sensor is not to factory specifications.