B272B Lincoln Code - Passenger Back Over-Temp Detected
Quick Answer
The Seat Control Module E (SCME) monitors seat backrest temperature while it supplies voltage and ground to both blower motors. Common causes include Restricted Passenger Seat Backrest Blower Motor Filter, Faulty Passenger Seat Backrest Blower Motor, Passenger Seat Backrest Blower Motor harness is open or shorted. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- B272B Lincoln indicates Passenger Back Over-Temp Detected.
- Common causes
- Common causes include Restricted Passenger Seat Backrest Blower Motor Filter, Faulty Passenger Seat Backrest Blower Motor, Passenger Seat Backrest Blower Motor harness is open or shorted.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code B272B Lincoln Description
If the passenger seat backrest blower motor temperature exceeds 70 ° C (158 ° F) in cool mode or 85 ° C (185 ° F) in heat mode for more than 4 seconds the SCME shuts down the passenger seat system and sets this Diagnostic Trouble Code (DTC).
What are the Possible Causes of the DTC B272B Lincoln?
- Restricted Passenger Seat Backrest Blower Motor Filter
- Faulty Passenger Seat Backrest Blower Motor
- Passenger Seat Backrest Blower Motor harness is open or shorted
- Passenger Seat Backrest Blower Motor circuit poor electrical connection
- Faulty Seat Control Module E (SCME)
How to Fix the DTC B272B 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.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the B272B 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 B272B Lincoln Code
1. What are the common symptoms of OBDII code B272B Lincoln (Passenger Back Over-Temp Detected)?
- Common symptoms include illuminated Check Engine light, overheating in the passenger back area, and potential odor of burning.
2. What are the possible causes of OBDII code B272B Lincoln?
- Possible causes may include a faulty temperature sensor, issues with the cooling system, electrical problems, or software malfunctions.
3. How can I diagnose the Passenger Back Over-Temp Detected issue in my Lincoln?
- A diagnostic scan tool can help pinpoint the exact cause by reading the OBDII code, checking temperature sensor data, and inspecting the cooling system components.
4. What are some DIY repair tips for addressing OBDII code B272B in a Lincoln?
- DIY repair tips may include checking and replacing the temperature sensor, inspecting coolant levels and flow, ensuring proper radiator fan operation, and clearing the code with a scan tool.
5. Is it safe to continue driving my Lincoln with the B272B code triggered?
- It is not recommended to drive your Lincoln with the B272B code triggered, as it could lead to potential overheating issues that may cause further damage to the vehicle.
6. How much does it typically cost to repair the Passenger Back Over-Temp Detected issue in a Lincoln?
- Repair costs can vary depending on the exact cause and the extent of the damage, but it is advisable to consult a professional mechanic for an accurate assessment and cost estimate.
7. Can resetting the OBDII code B272B in my Lincoln make the issue go away permanently?
- Resetting the code may temporarily turn off the Check Engine light, but if the underlying issue is not addressed, the code is likely to reappear once the problem persists.
8. Are there any recalls or service bulletins related to the B272B code in Lincoln vehicles?
- It is recommended to check with the nearest Lincoln dealership or visit the National Highway Traffic Safety Administration (NHTSA) website to see if there are any relevant recalls or service bulletins for this issue.
9. How serious is the Passenger Back Over-Temp Detected problem in a Lincoln?
- The issue should be taken seriously as it can lead to potential overheating, engine damage, and compromised safety if left unresolved. It is best to address the problem promptly.
10. Can a mechanic without specific Lincoln experience diagnose and repair the B272B OBDII code?
- While a knowledgeable mechanic can diagnose and repair the issue, it is beneficial to seek a technician with experience working on Lincoln vehicles for more precise troubleshooting and repair.
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