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P2102 – BMW DTC

BMW DTC P2102 – Throttle Actuator ‘A’ Control Motor Circuit Low

DTC P2102 meaning on BMW

DTC P2102 for BMW refers to the Throttle Actuator ‘A’ Control Motor Circuit Low. This diagnostic trouble code indicates that the engine control module (ECM) has detected a low voltage condition in the circuit that controls the throttle actuator motor.

BMW DTC P2102 symptoms

Symptoms of DTC P2102 on a BMW may include:

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

BMW DTC P2102 causes

Common causes of DTC P2102 on a BMW include:

  • Faulty throttle actuator motor
  • Wiring or connector issues in the throttle actuator circuit
  • ECM software or hardware problems

BMW DTC P2102 seriousness

DTC P2102 should be addressed promptly as it can lead to drivability issues and potential safety concerns. Ignoring this code may result in further damage to engine components.

How to diagnose DTC P2102 on BMW

To diagnose DTC P2102 on a BMW, you can perform the following steps:

  1. Use a diagnostic scanner to retrieve the fault codes and freeze frame data
  2. Inspect the throttle actuator motor and its wiring for any visible damage
  3. Check the voltage and resistance in the throttle actuator circuit
  4. Test the throttle actuator motor for proper operation

How to fix DTC P2102 on BMW

To fix DTC P2102 on a BMW, you may need to:

  1. Replace the faulty throttle actuator motor
  2. Repair any damaged wiring or connectors in the circuit
  3. Update the ECM software if necessary

How to erase DTC P2102 on BMW

After fixing the underlying issue causing DTC P2102 on a BMW, you can erase the fault code using a diagnostic scanner. Clearing the code will reset the Check Engine Light and allow you to monitor the system for any recurring issues.

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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