B120B Lincoln Code - Passenger Seat Back Temperature Sensor
Quick Answer
The Seat Control Module E (SCME) monitors the Passenger Seat Back Temperature Sensor. Common causes include Faulty Passenger Seat Back Temperature Sensor, Passenger Seat Back Temperature Sensor harness is open or shorted, Passenger Seat Back Temperature Sensor circuit poor electrical connection. Severity is Low - monitor the vehicle and repair when practical. The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.
- What it means
- B120B Lincoln indicates Passenger Seat Back Temperature Sensor.
- Common causes
- Common causes include Faulty Passenger Seat Back Temperature Sensor, Passenger Seat Back Temperature Sensor harness is open or shorted, Passenger Seat Back Temperature Sensor circuit poor electrical connection.
- Severity
- Low - monitor the vehicle and repair when practical.
- Can I drive?
- The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.
Code B120B Lincoln Description
What are the Possible Causes of the DTC B120B Lincoln?
- Faulty Passenger Seat Back Temperature Sensor
- Passenger Seat Back Temperature Sensor harness is open or shorted
- Passenger Seat Back Temperature Sensor circuit poor electrical connection
- Faulty Seat Control Module E (SCME)
How to Fix the DTC B120B Lincoln?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
Code Tech Notes
B120B:98 Passenger Seat Back Temperature Sensor Component or System Over Temperature
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the B120B Lincoln code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about B120B Lincoln Code
1. What does the OBDII code B120B mean on a Lincoln?
B120B indicates a malfunction with the passenger seat back temperature sensor, which monitors the climate control in the passenger seat.
2. What are the symptoms of the B120B code?
Common symptoms include the passenger seat’s heated or cooled function not working properly or the seat climate control system being unresponsive.
3. What causes the B120B code on a Lincoln?
Potential causes include a faulty passenger seat back temperature sensor, damaged wiring, loose connections, or a failure in the seat climate control module.
4. Can the B120B code affect other seat functions?
Yes, it may interfere with the operation of heating and cooling features for the passenger seat but typically does not affect basic seat adjustments.
5. How can I diagnose the B120B code?
Use an OBDII scanner to confirm the code, then inspect the temperature sensor, wiring, and connectors for damage, corrosion, or loose connections.
6. How do you repair the B120B code?
Repairs may involve replacing the temperature sensor, repairing damaged wiring, cleaning corroded connectors, or recalibrating the seat control module.
7. Can I drive with the B120B code active?
Yes, the issue does not affect vehicle drivability, but the passenger seat climate control functions may not work properly.
8. How much does it cost to fix the B120B code on a Lincoln?
Costs vary depending on whether the sensor or wiring needs repair, but replacing the temperature sensor can range from $50 to $200, plus labor.
9. Can the B120B code clear itself?
No, the code will remain active until the underlying issue is resolved and the system is reset using an OBDII scanner.
10. Is the passenger seat back temperature sensor hard to replace?
Replacing the sensor may involve removing seat covers or panels, which can be challenging. Professional assistance is often recommended.
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