BMW DTC P1249 – Fuel Volume Regulator ‘B’ Control Circuit Open
DTC P1249 meaning on BMW
DTC P1249 on a BMW indicates a fault with the Fuel Volume Regulator ‘B’ Control Circuit. This fault code is triggered when the Engine Control Module (ECM) detects an open circuit in the control circuit of the fuel volume regulator ‘B’.
BMW DTC P1249 symptoms
Symptoms of DTC P1249 on a BMW may include:
- Check Engine Light illuminated
- Engine running rough
- Decreased fuel efficiency
- Engine stalling
BMW DTC P1249 causes
Common causes of DTC P1249 on a BMW include:
- Open circuit in the fuel volume regulator ‘B’ control circuit
- Faulty fuel volume regulator ‘B’
- Wiring or connector issues in the control circuit
BMW DTC P1249 seriousness
DTC P1249 should be addressed promptly as it can lead to drivability issues and potential engine damage if left unresolved. Ignoring this fault code may result in poor engine performance and increased fuel consumption.
How to diagnose DTC P1249 on BMW
To diagnose DTC P1249 on a BMW, follow these steps:
- Use a diagnostic scanner to retrieve the fault code and freeze frame data
- Inspect the wiring and connectors in the fuel volume regulator ‘B’ control circuit for any damage or corrosion
- Test the fuel volume regulator ‘B’ for proper operation
- Check for any other related fault codes that may provide additional clues
How to fix DTC P1249 on BMW
To fix DTC P1249 on a BMW, consider the following:
- Repair any damaged wiring or connectors in the control circuit
- Replace the fuel volume regulator ‘B’ if found to be faulty
- Clear the fault code and test drive the vehicle to ensure the issue has been resolved
How to erase DTC P1249 on BMW
To erase DTC P1249 on a BMW, use a diagnostic scanner to clear the fault code from the ECM’s memory. After clearing the code, perform a test drive to verify that the issue has been successfully resolved.