B120A Mercury Code - Passenger Seat Cushion Temperature Sensor
Quick Answer
The Seat Control Module E (SCME) monitors the Passenger Seat Cushion Temperature Sensor. Common causes include Faulty Passenger Seat Cushion Temperature Sensor, Passenger Seat Cushion Temperature Sensor harness is open or shorted, Passenger Seat Cushion 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
- B120A Mercury indicates Passenger Seat Cushion Temperature Sensor.
- Common causes
- Common causes include Faulty Passenger Seat Cushion Temperature Sensor, Passenger Seat Cushion Temperature Sensor harness is open or shorted, Passenger Seat Cushion 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 B120A Mercury Description
What are the Possible Causes of the DTC B120A Mercury?
- Faulty Passenger Seat Cushion Temperature Sensor
- Passenger Seat Cushion Temperature Sensor harness is open or shorted
- Passenger Seat Cushion Temperature Sensor circuit poor electrical connection
- Faulty Seat Control Module E (SCME)
How to Fix the DTC B120A Mercury?
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
B120A:98 Passenger Seat Cushion Temperature Sensor Component or System Over Temperature
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the B120A Mercury 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 B120A Mercury Code
1. What are the common symptoms of OBDII code B120A for the Passenger Seat Cushion Temperature Sensor in a Mercury?
- The common symptoms include a malfunctioning heated seat, inaccurate temperature readings, and an illuminated airbag warning light.
2. What are the possible causes of OBDII code B120A in a Mercury related to the Passenger Seat Cushion Temperature Sensor?
- The code B120A can be triggered by a faulty temperature sensor, damaged wiring, loose connections, or issues with the seat control module.
3. How can I diagnose the OBDII code B120A for the Passenger Seat Cushion Temperature Sensor in my Mercury?
- You can diagnose the code by using an OBDII scanner to retrieve the specific fault codes, visually inspecting the sensor and its wiring for any visible damage, and testing the sensor's resistance with a multimeter.
4. Can I repair the OBDII code B120A related to the Passenger Seat Cushion Temperature Sensor in my Mercury at home?
- Repairing the code B120A may require some technical knowledge and specialized tools. It is recommended to consult a professional mechanic to accurately diagnose and repair the issue.
5. Is it safe to drive my Mercury with the OBDII code B120A for the Passenger Seat Cushion Temperature Sensor?
- It is generally safe to drive the vehicle with this code, but it's crucial to address the underlying issue promptly to ensure the proper functioning of the seat's heating system and airbag deployment.
6. How much does it typically cost to repair the OBDII code B120A in a Mercury caused by the Passenger Seat Cushion Temperature Sensor issue?
- The cost of repairing the code B120A can vary depending on the exact cause of the problem. It may range from a simple sensor replacement to more complex wiring repairs, costing anywhere from $100 to $500 or more.
7. Can resetting the OBDII codes clear the B120A code for the Passenger Seat Cushion Temperature Sensor in my Mercury?
- Resetting the OBDII codes may temporarily clear the B120A code, but if the underlying issue is not resolved, the code is likely to reappear. It's essential to diagnose and fix the root cause of the problem.
8. Are there any specific maintenance tips to prevent the recurrence of OBDII code B120A for the Passenger Seat Cushion Temperature Sensor in my Mercury?
- Regularly inspecting the seat sensors and wiring for any signs of damage, avoiding spills or excessive moisture around the seats, and using the heated seats in moderation can help prevent issues with the temperature sensor.
9. Does the OBDII code B120A related to the Passenger Seat Cushion Temperature Sensor affect the overall safety of my Mercury?
- While the code B120A primarily relates to the functionality of the heated seat and airbag system, addressing the issue promptly is important to maintain the overall safety and performance of your vehicle.
10. Can a DIY enthusiast with basic automotive knowledge fix the OBDII code B120A caused by the Passenger Seat Cushion Temperature Sensor in a Mercury?
- Depending on the specific cause of the code, a DIY enthusiast with adequate tools and knowledge may be able to replace a faulty sensor or address simple wiring issues. However, more complex repairs may require professional assistance.
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