B272A Code - Passenger Cushion Over-Temp Detected
Quick Answer
The Seat Control Module E (SCME) monitors seat cushion temperature while it supplies voltage and ground to both blower motors. Common causes include Restricted Passenger Seat Cushion Blower Motor Filter, Faulty Passenger Seat Cushion Blower Motor, Passenger Seat Cushion 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
- B272A indicates Passenger Cushion Over-Temp Detected.
- Common causes
- Common causes include Restricted Passenger Seat Cushion Blower Motor Filter, Faulty Passenger Seat Cushion Blower Motor, Passenger Seat Cushion 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 B272A Description
If the passenger seat cushion 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 B272A?
- Restricted Passenger Seat Cushion Blower Motor Filter
- Faulty Passenger Seat Cushion Blower Motor
- Passenger Seat Cushion Blower Motor harness is open or shorted
- Passenger Seat Cushion Blower Motor circuit poor electrical connection
- Faulty Seat Control Module E (SCME)
How to Fix the DTC B272A?
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 B272A 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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Information for Specific Makes
- B272A Ford — Passenger Cushion Over-Temp Detected
- B272A Infiniti — Front Sonar Sensor Left Inner
- B272A Lincoln — Passenger Cushion Over-Temp Detected
- B272A Mercury — Passenger Cushion Over-Temp Detected
- B272A Nissan — Front Sonar Sensor Left Inner
Frequently Asked Questions about B272A Code
1. What are common symptoms of OBDII code B272A (Passenger Cushion Over-Temp Detected)?
- Common symptoms include the airbag warning light illuminating on the dashboard and potential loss of functionality of the passenger airbag system.
2. What are possible causes of OBDII code B272A?
- The code B272A is typically triggered by issues such as a faulty passenger seat cushion temperature sensor, damaged wiring in the airbag system, or a malfunction in the airbag control module.
3. How can I diagnose the cause of OBDII code B272A?
- To diagnose the issue, you can use a diagnostic scanner to retrieve the specific fault codes stored in the system. Additionally, a thorough inspection of the passenger seat cushion sensor and related wiring can help identify the problem.
4. Can I continue driving with OBDII code B272A present?
- It is not recommended to continue driving with the B272A code active, as it indicates a potential issue with the passenger airbag system, which could compromise passenger safety in the event of a collision.
5. How can I repair OBDII code B272A?
- Repairing the B272A code typically involves replacing the faulty passenger seat cushion temperature sensor, repairing damaged wiring, or addressing any issues with the airbag control module. It is recommended to consult a professional mechanic for proper diagnosis and repair.
6. Are there any safety precautions I should take if OBDII code B272A is present?
- If the B272A code is present, it is important to be aware that the passenger airbag system may not function correctly in the event of a crash. It is advisable to have the issue resolved promptly to ensure the safety of all occupants.
7. Can resetting the OBDII code B272A resolve the issue?
- Resetting the code may temporarily clear the warning light, but it will not fix the underlying problem causing the B272A code. It is crucial to diagnose and repair the issue to ensure the proper functioning of the passenger airbag system.
8. How much does it typically cost to repair OBDII code B272A?
- The cost of repairing the B272A code can vary depending on the specific cause of the issue, parts needed for replacement, and labor charges. It is advisable to get a repair estimate from a qualified mechanic or dealership.
9. Is OBDII code B272A a common issue in certain vehicle makes or models?
- The B272A code may be more common in certain vehicle makes or models that are equipped with advanced airbag systems. However, it can potentially occur in any vehicle with a passenger airbag system that utilizes temperature sensors.
10. Can OBDII code B272A be prevented?
- While some causes of the B272A code may be related to wear and tear, regular maintenance checks and addressing any warning lights promptly can help prevent issues like passenger cushion over-temperature detection.
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