B272E 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 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 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?
- 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?
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 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
- B272E Ford — Driver Ignition Run/Blower Circuit Short To Ground
- B272E Lincoln — Driver Ignition Run/Blower Circuit Short To Ground
- B272E Mercury — Driver Ignition Run/Blower Circuit Short To Ground
Frequently Asked Questions about B272E Code
1. What are the common symptoms of OBDII code B272E?
- Common symptoms include failure of the blower motor to operate, the blower motor running continuously, and potential draining of the vehicle's battery.
2. What can cause the Driver Ignition Run/Blower Circuit Short To Ground code (B272E) to appear?
- This code is typically triggered by a short to ground in the blower motor circuit, faulty blower motor resistor, or damaged wiring/connectors.
3. How can I diagnose the cause of OBDII code B272E?
- To diagnose the issue, you can perform a visual inspection of the blower motor circuit, test the blower motor resistor, check the wiring for any signs of damage, and use a multimeter to test for shorts to ground.
4. Are there any safety precautions to keep in mind when working on this issue?
- It's important to disconnect the vehicle's battery before working on the blower motor circuit to prevent electrical shocks or damage to the vehicle's electrical system.
5. What are the repair options for fixing OBDII code B272E?
- Repair options may include replacing the blower motor resistor, repairing damaged wiring or connectors, or replacing the blower motor itself if it is found to be faulty.
6. Can I continue driving my vehicle with OBDII code B272E present?
- It is not recommended to continue driving the vehicle with this code present, as it can lead to further electrical issues or potential damage to the vehicle's components.
7. How much does it typically cost to repair OBDII code B272E?
- The cost of repairs can vary depending on the exact cause of the issue and the labor rates in your area. On average, the repair cost can range from $100 to $300.
8. Is OBDII code B272E a common issue in certain vehicle makes and models?
- This code can be more common in vehicles with aging blower motor components or those that have been exposed to harsh environmental conditions.
9. Can a DIY enthusiast fix OBDII code B272E at home?
- Depending on your automotive repair skills and access to tools, it is possible to fix this code at home by following repair guides and tutorials, but caution is advised due to the electrical nature of the issue.
10. Will resetting the OBDII code B272E turn off the check engine light?
- Resetting the code may temporarily turn off the check engine light, but if the underlying issue is not repaired, the code and light are likely to reappear.
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