P218C – BMW DTC

BMW DTC P218C – Throttle/Fuel Inhibit ‘B’ Circuit Range/Performance

DTC P218C meaning on BMW

DTC P218C for BMW refers to the Throttle/Fuel Inhibit ‘B’ Circuit Range/Performance issue. This diagnostic trouble code indicates that there is a problem with the throttle or fuel inhibit system in the ‘B’ circuit, affecting the range or performance of the component.

BMW DTC P218C symptoms

Symptoms of BMW DTC P218C may include:

  • Reduced engine power
  • Engine stalling
  • Difficulty accelerating
  • Check Engine Light (CEL) illuminated

BMW DTC P218C causes

Common causes of BMW DTC P218C include:

  • Faulty throttle position sensor
  • Issues with the fuel inhibit system
  • Wiring or connector problems
  • Software glitches

BMW DTC P218C seriousness

The seriousness of BMW DTC P218C lies in the potential for reduced engine performance and drivability issues. Ignoring this code can lead to further damage to engine components and may result in unsafe driving conditions.

How to diagnose DTC P218C on BMW

To diagnose BMW DTC P218C, a mechanic may perform the following steps:

  1. Use a diagnostic scanner to retrieve the trouble codes
  2. Inspect the throttle position sensor and related components
  3. Check the fuel inhibit system for any faults
  4. Inspect wiring and connectors for damage or loose connections

How to fix DTC P218C on BMW

To fix BMW DTC P218C, the following steps may be taken:

  1. Replace the faulty throttle position sensor
  2. Repair or replace any damaged wiring or connectors
  3. Address any issues with the fuel inhibit system
  4. Clear the trouble codes and test drive the vehicle to ensure the problem is resolved

How to erase DTC P218C on BMW

To erase BMW DTC P218C, a mechanic can use a diagnostic scanner to clear the trouble codes stored in the vehicle’s computer. After the codes are cleared, it is recommended to test drive the vehicle to ensure the issue has been resolved.

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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