BMW DTC P2373 – Fuel Volume Regulator ‘B’ Control Circuit High
DTC P2373 meaning on BMW
DTC P2373 on a BMW indicates a fault with the Fuel Volume Regulator ‘B’ Control Circuit. This means that the control circuit for the fuel volume regulator ‘B’ is detecting a high voltage condition, which can lead to issues with fuel delivery and engine performance.
BMW DTC P2373 symptoms
Symptoms of DTC P2373 on a BMW may include:
- Check Engine Light illuminated
- Decreased fuel efficiency
- Engine misfires or hesitation
- Rough idling or stalling
BMW DTC P2373 causes
Common causes of DTC P2373 on a BMW include:
- Faulty fuel volume regulator ‘B’
- Short or open circuit in the control circuit
- Corrosion or poor connections in the wiring
- Defective Engine Control Module (ECM)
BMW DTC P2373 seriousness
DTC P2373 should not be ignored as it can lead to poor engine performance and potential drivability issues. It is recommended to address this fault promptly to prevent further damage to the vehicle.
How to diagnose DTC P2373 on BMW
To diagnose DTC P2373 on a BMW, you can follow these steps:
- Use a diagnostic scanner to retrieve the fault code and freeze frame data
- Inspect the wiring and connectors related to the fuel volume regulator ‘B’
- Test the fuel volume regulator ‘B’ for proper operation
- Check for any other related fault codes or issues
How to fix DTC P2373 on BMW
To fix DTC P2373 on a BMW, you may need to:
- Replace the faulty fuel volume regulator ‘B’
- Repair any damaged wiring or connectors in the control circuit
- Clear the fault code and perform a test drive to confirm the issue is resolved
How to erase DTC P2373 on BMW
To erase DTC P2373 on a BMW, you can:
- Use a diagnostic scanner to clear the fault code
- Perform a test drive to ensure the code does not return
Recommended tools & DTC Scanners for BMW
Best Diagnostic App for modern BMWs: BimmerLink
Recommended Bluetooth adapter for Bimmerlink: OBDLink CX
Cable adapter for Bimmerlink: Enet Cable USB Type C
For older BMWs we recommend: Autel AutoLink AL319 (2024 version)
Easy-to-use Multimeter for reliable diagnostics: AstroAI Auto-ranging Multimeter
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