B272B Ford 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 Ford 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 Ford 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 Ford?
- 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 Ford?
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 Ford 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 Ford Code
1. What are the common symptoms of OBDII code B272B Ford (Passenger Back Over-Temp Detected)?
- Common symptoms include illuminated warning lights on the dashboard, overheating of the passenger back area, and potential loss of climate control functionality.
2. What can cause the OBDII code B272B Ford to trigger?
- The code B272B can be triggered by a malfunction in the temperature sensor located in the passenger back area, issues with the climate control system, or wiring/connectivity problems.
3. How serious is the OBDII code B272B Ford (Passenger Back Over-Temp Detected)?
- While the code itself may not pose an immediate danger to the vehicle, ignoring it can lead to discomfort for passengers and potential issues with the climate control system.
4. Can I continue driving with the OBDII code B272B Ford active?
- It is generally safe to continue driving with the code active, but it is recommended to address the underlying issue as soon as possible to prevent further complications.
5. How can I diagnose and repair the OBDII code B272B Ford?
- Diagnosis typically involves checking the temperature sensor in the passenger back area, inspecting the climate control system, and testing the wiring for any faults. Repair may involve sensor replacement, system recalibration, or addressing wiring issues.
6. Is it possible to reset the OBDII code B272B Ford without fixing the underlying issue?
- While clearing the code temporarily may be possible, it is not recommended as the issue will likely resurface until the root cause is addressed.
7. Can extreme weather conditions trigger the OBDII code B272B Ford?
- Yes, extreme temperatures or prolonged exposure to heat can sometimes trigger the code due to the sensor misinterpreting the environment's temperature.
8. Are there any DIY tips for troubleshooting the OBDII code B272B Ford?
- DIY tips include checking the sensor for any visible damage, ensuring proper airflow in the passenger back area, and inspecting the climate control settings for anomalies.
9. How much does it typically cost to repair the OBDII code B272B Ford?
- The cost of repair can vary depending on the specific issue causing the code, but it may range from a simple sensor replacement to more complex climate control system repairs.
10. Can a mechanic easily fix the OBDII code B272B Ford, or should I visit a dealership?
- A qualified mechanic should be able to diagnose and repair the code B272B effectively, but visiting a dealership may be necessary for specialized tools or software updates related to the climate control system.
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