B272E Lincoln Code - Driver 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 Driver Cushion or Backrest Blower Motor, Driver Cushion or Backrest Blower Motor harness is open or shorted, Driver 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
- B272E Lincoln indicates Driver Ignition Run/Blower Circuit Short To Ground.
- Common causes
- Common causes include Faulty Driver Cushion or Backrest Blower Motor, Driver Cushion or Backrest Blower Motor harness is open or shorted, Driver 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 B272E 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 driver 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 B272E Lincoln?
- Faulty Driver Cushion or Backrest Blower Motor
- Driver Cushion or Backrest Blower Motor harness is open or shorted
- Driver Cushion or Backrest Blower Motor circuit poor electrical connection
- Faulty Seat Control Module E (SCME)
How to Fix the DTC B272E 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 B272E 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 B272E Lincoln Code
1. What does OBDII code B272E mean on a Lincoln?
The B272E code on a Lincoln indicates a "Driver Ignition Run/Blower Circuit Short To Ground," meaning there’s likely an electrical fault in the blower motor or its associated wiring.
2. What are the symptoms of code B272E in a Lincoln?
Common symptoms include the blower motor not working, irregular fan speeds, or the HVAC system failing to respond properly.
3. What causes code B272E to appear?
This code is typically caused by a short circuit in the blower motor wiring, a faulty blower motor resistor, or a defective ignition switch.
4. Can a blown fuse trigger code B272E?
Yes, a blown fuse in the blower motor circuit can cause this code, as it disrupts the normal electrical flow.
5. How is code B272E diagnosed?
A technician will inspect the blower motor circuit, check for damaged wiring, test the blower motor resistor, and use a multimeter to locate any short to ground.
6. Is it safe to drive with code B272E active?
While it may not affect drivability, it can hinder HVAC operation, which may be uncomfortable in extreme weather conditions.
7. Can I fix code B272E myself?
If you’re comfortable working with automotive wiring, you can inspect for damaged wires or replace the blower motor resistor. However, advanced diagnosis may require professional tools.
8. How much does it cost to repair code B272E?
Repair costs vary but typically range from $100 to $300, depending on whether the issue is with the wiring, blower motor resistor, or related components.
9. Does code B272E always mean the blower motor is faulty?
No, the blower motor itself may not be faulty. The issue could lie in the wiring, resistor, or ignition circuit.
10. Can clearing the B272E code fix the problem?
Clearing the code without addressing the underlying issue will not fix the problem, and the code is likely to return.
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