BMW DTC P218E – Throttle/Fuel Inhibit ‘B’ Circuit High
DTC P218E meaning on BMW
The DTC P218E code on a BMW indicates an issue with the Throttle/Fuel Inhibit ‘B’ Circuit High. This means that there is a high voltage condition detected in the circuit responsible for controlling the throttle or fuel delivery system.
BMW DTC P218E symptoms
Symptoms of the BMW DTC P218E code may include:
- Check Engine Light illuminated
- Reduced engine power
- Engine stalling or hesitation
- Difficulty accelerating
BMW DTC P218E causes
Common causes of the BMW DTC P218E code include:
- Faulty throttle position sensor
- Short circuit or open circuit in the throttle/fuel inhibit circuit
- Faulty engine control module (ECM)
- Corrosion or poor connections in the wiring harness
BMW DTC P218E seriousness
The DTC P218E code should be addressed promptly as it can lead to drivability issues and potential engine damage if left unresolved. Ignoring this code may result in poor engine performance and increased fuel consumption.
How to diagnose DTC P218E on BMW
To diagnose the DTC P218E on a BMW, a mechanic may perform the following steps:
- Use a diagnostic scanner to retrieve the fault codes
- Inspect the throttle position sensor for proper operation
- Check the wiring harness for any signs of damage or corrosion
- Test the throttle/fuel inhibit circuit for continuity and voltage levels
How to fix DTC P218E on BMW
To fix the DTC P218E on a BMW, the following steps may be taken:
- Replace the faulty throttle position sensor
- Repair any damaged wiring or connectors in the throttle/fuel inhibit circuit
- If necessary, replace the engine control module (ECM)
- Clear the fault codes and perform a test drive to ensure the issue is resolved
How to erase DTC P218E on BMW
To erase the DTC P218E code on a BMW, follow these steps:
- Use a diagnostic scanner to clear the fault codes
- Disconnect the battery for a few minutes to reset the ECM
- Reconnect the battery and start the vehicle to ensure the code has been cleared
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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