BMW DTC P008E – Fuel Cooler Pump Control Circuit High
DTC P008E meaning on BMW
The Diagnostic Trouble Code (DTC) P008E for BMW indicates a fault in the Fuel Cooler Pump Control Circuit. This code is triggered when the Engine Control Module (ECM) detects that the signal voltage from the fuel cooler pump control circuit is higher than the specified range.
BMW DTC P008E symptoms
Symptoms of the DTC P008E on a BMW may include:
- Check Engine Light (MIL) illuminated
- Engine running rough or misfiring
- Reduced engine performance
- Difficulty starting the engine
BMW DTC P008E causes
Common causes of the DTC P008E on a BMW include:
- Faulty fuel cooler pump
- Short circuit or open circuit in the fuel cooler pump control circuit
- Corrosion or poor connections in the wiring harness
- Defective Engine Control Module (ECM)
BMW DTC P008E seriousness
The DTC P008E for BMW should not be ignored as it can lead to drivability issues and potential engine damage if left unresolved. It is recommended to address this issue promptly to prevent further complications.
How to diagnose DTC P008E on BMW
To diagnose the DTC P008E on a BMW, a mechanic would typically perform the following steps:
- Use a diagnostic scanner to retrieve the fault codes stored in the ECM
- Inspect the fuel cooler pump and its control circuit for any visible damage or corrosion
- Check the wiring harness for continuity and proper connections
- Test the fuel cooler pump operation using a multimeter
- Verify the ECM functionality by checking for any related software updates
How to fix DTC P008E on BMW
To fix the DTC P008E on a BMW, the following steps may be taken:
- Replace the faulty fuel cooler pump if necessary
- Repair any short circuits or open circuits in the fuel cooler pump control circuit
- Clean or repair any corroded connections in the wiring harness
- If the ECM is determined to be faulty, it may need to be replaced or reprogrammed
How to erase DTC P008E on BMW
To erase the DTC P008E on a BMW, the fault codes can be cleared using a diagnostic scanner. After the necessary repairs have been made, the ECM can be reset to remove the stored fault code. It is important to ensure that the underlying issue causing the fault code has been addressed before clearing the code.
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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