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P2301 – BMW DTC

BMW DTC P2301 – Ignition Coil ‘A’ Primary Control Circuit High

DTC P2301 meaning on BMW

The Diagnostic Trouble Code (DTC) P2301 for BMW indicates a fault in the ignition coil ‘A’ primary control circuit. This means that the Engine Control Module (ECM) has detected a high voltage condition in the primary control circuit of ignition coil ‘A’.

BMW DTC P2301 symptoms

Symptoms of DTC P2301 on a BMW may include:

  • Check Engine Light illuminated
  • Engine misfires
  • Rough idling
  • Decreased engine performance

BMW DTC P2301 causes

Common causes of DTC P2301 on a BMW include:

  • Faulty ignition coil ‘A’
  • Wiring or connector issues in the ignition coil circuit
  • ECM software issues

BMW DTC P2301 seriousness

Ignoring DTC P2301 on a BMW can lead to further engine performance issues and potential damage. It is important to address this code promptly to prevent more severe problems.

How to diagnose DTC P2301 on BMW

To diagnose DTC P2301 on a BMW, you can perform the following steps:

  1. Use a diagnostic scanner to retrieve the fault codes
  2. Inspect the ignition coil ‘A’ and its wiring for any visible damage
  3. Check the connectors and wiring related to the ignition coil circuit
  4. Perform a resistance test on the ignition coil ‘A’

How to fix DTC P2301 on BMW

To fix DTC P2301 on a BMW, you can try the following solutions:

  1. Replace the faulty ignition coil ‘A’
  2. Repair any damaged wiring or connectors in the ignition coil circuit
  3. Update the ECM software if necessary

How to erase DTC P2301 on BMW

To erase DTC P2301 on a BMW, you can clear the fault codes using a diagnostic scanner. After addressing the underlying issue and fixing the problem, you can reset the codes to turn off the Check Engine Light.

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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