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P2554 – BMW DTC

BMW DTC P2554 – Throttle/Fuel Inhibit ‘A’ Circuit Low

DTC P2554 meaning on BMW

DTC P2554 refers to the Throttle/Fuel Inhibit ‘A’ Circuit Low in BMW vehicles. This diagnostic trouble code indicates that the signal voltage from the throttle/fuel inhibit ‘A’ circuit is below the expected range.

BMW DTC P2554 symptoms

Symptoms of DTC P2554 in a BMW may include:

  • Check Engine Light (MIL) illuminated
  • Reduced engine power
  • Engine stalling or hesitation
  • Difficulty accelerating

BMW DTC P2554 causes

Common causes of DTC P2554 in BMW vehicles include:

  • Faulty throttle position sensor
  • Wiring or connector issues in the throttle/fuel inhibit ‘A’ circuit
  • ECU (Engine Control Unit) malfunction

BMW DTC P2554 seriousness

DTC P2554 can lead to drivability issues and potential safety concerns if not addressed promptly. It is recommended to diagnose and repair this fault to ensure the proper functioning of the vehicle.

How to diagnose DTC P2554 on BMW

To diagnose DTC P2554 on a BMW, a mechanic may perform the following steps:

  1. Use a diagnostic scanner to retrieve the fault code and freeze frame data
  2. Inspect the throttle position sensor and its wiring for any visible damage
  3. Check the throttle/fuel inhibit ‘A’ circuit for continuity and proper voltage levels
  4. Test the ECU for any malfunctions

How to fix DTC P2554 on BMW

To fix DTC P2554 on a BMW, the following steps may be taken:

  1. Replace the faulty throttle position sensor if necessary
  2. Repair any damaged wiring or connectors in the throttle/fuel inhibit ‘A’ circuit
  3. If the ECU is found to be faulty, it may need to be reprogrammed or replaced

How to erase DTC P2554 on BMW

To erase DTC P2554 on a BMW, the fault code can be cleared using a diagnostic scanner. After the repair has been completed, the code can be erased to reset the Check Engine Light and ensure that 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

← All BMW Diagnostic Trouble Codes

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