B272F Lincoln Code - Passenger Ignition Run/Blower Circuit Short To Ground
Quick Answer
The Seat Control Module E (SCME) supplies voltage and ground to the backrest and cushion blower motors. Common causes include Faulty Passenger Cushion or Backrest Blower Motor, Passenger Cushion or Backrest Blower Motor harness is open or shorted, Passenger Cushion or Backrest Blower Motor circuit poor electrical connection. 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
- B272F Lincoln indicates Passenger Ignition Run/Blower Circuit Short To Ground.
- Common causes
- Common causes include Faulty Passenger Cushion or Backrest Blower Motor, Passenger Cushion or Backrest Blower Motor harness is open or shorted, Passenger Cushion or Backrest Blower Motor circuit poor electrical connection.
- 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 B272F Lincoln Description
If either the blower voltage supply or return circuits are open (to both cushion or backrest blowers) or shorted to voltage, the Diagnostic Trouble Code (DTC) is set and after 4-6 seconds the SCME disables outputs to the passenger seat. The DTC also sets if the blower voltage supply or return circuit is open to only one blower when SCME supply voltage is less than 12 volts.
What are the Possible Causes of the DTC B272F Lincoln?
- Faulty Passenger Cushion or Backrest Blower Motor
- Passenger Cushion or Backrest Blower Motor harness is open or shorted
- Passenger Cushion or Backrest Blower Motor circuit poor electrical connection
- Faulty Seat Control Module E (SCME)
How to Fix the DTC B272F 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 B272F 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 B272F Lincoln Code
1. What are the common symptoms of OBDII code B272F in a Lincoln related to the Passenger Ignition Run/Blower Circuit Short To Ground?
The common symptoms include a malfunctioning blower motor, inoperative heater or air conditioning system, and potential electrical issues like blown fuses.
2. What are the possible causes of OBDII code B272F in a Lincoln?
The code B272F in a Lincoln is typically caused by a short to ground in the passenger ignition run/blower circuit, which can be due to damaged wiring, a faulty blower motor, or a defective blower motor resistor.
3. How can I diagnose the issue related to OBDII code B272F in my Lincoln?
To diagnose the problem, you can start by inspecting the wiring harness for any visible damage, testing the blower motor and resistor for proper functionality, and checking for any blown fuses in the circuit.
4. What are some repair tips for fixing OBDII code B272F in a Lincoln?
Repair tips include repairing or replacing any damaged wiring in the circuit, replacing the faulty blower motor or blower motor resistor, and ensuring all electrical connections are secure and free of corrosion.
5. Can I drive my Lincoln with OBDII code B272F present?
It is not recommended to drive your Lincoln with the OBDII code B272F present, as it indicates a potential electrical issue that may affect the operation of essential systems like the heater and air conditioning.
6. Is it safe to continue using the heater or air conditioning if OBDII code B272F is triggered?
It is not safe to continue using the heater or air conditioning if OBDII code B272F is triggered, as it may lead to further damage to the blower motor or other components in the circuit.
7. How much does it typically cost to repair OBDII code B272F in a Lincoln?
The cost of repairing OBDII code B272F in a Lincoln can vary depending on the extent of the damage and the specific components that need to be replaced. It is advisable to consult a professional mechanic for an accurate estimate.
8. Can I reset the OBDII code B272F in my Lincoln using a diagnostic tool?
Yes, you can reset the OBDII code B272F in your Lincoln using a diagnostic tool after the underlying issue has been repaired. This will clear the code from the vehicle's system.
9. Are there any preventive measures I can take to avoid OBDII code B272F in my Lincoln?
To prevent OBDII code B272F from occurring in your Lincoln, you can perform regular maintenance checks on the heating and air conditioning system, ensure all electrical connections are secure, and address any wiring issues promptly.
10. Is OBDII code B272F specific to Lincoln vehicles only?
While OBDII code B272F related to the Passenger Ignition Run/Blower Circuit Short To Ground is commonly associated with Lincoln vehicles, it may also be found in other vehicle makes and models with similar heating and air conditioning systems.
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