P2307 – BMW DTC

BMW DTC P2307 – Ignition Coil ‘C’ Primary Control Circuit High

DTC P2307 meaning on BMW

DTC P2307 for BMW indicates a fault in the ignition coil ‘C’ primary control circuit. This fault is detected when the Engine Control Module (ECM) detects a high voltage condition in the primary control circuit of ignition coil ‘C’. The ECM monitors the primary control circuit to ensure proper ignition coil operation and timing.

BMW DTC P2307 symptoms

Symptoms of DTC P2307 on a BMW may include:

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

BMW DTC P2307 causes

Common causes of DTC P2307 on a BMW include:

  • Faulty ignition coil ‘C’
  • Wiring or connector issues in the primary control circuit
  • ECM software or hardware issues

BMW DTC P2307 seriousness

Ignoring DTC P2307 on a BMW can lead to potential engine performance issues, increased emissions, and possible damage to the catalytic converter. It is recommended to address this fault promptly to prevent further complications.

How to diagnose DTC P2307 on BMW

To diagnose DTC P2307 on a BMW, follow these steps:

  1. Use a diagnostic scanner to retrieve the fault code and freeze frame data
  2. Inspect the ignition coil ‘C’ and its wiring for any visible damage or corrosion
  3. Check the primary control circuit for continuity and proper voltage levels
  4. Perform a resistance test on the ignition coil ‘C’
  5. Test the ECM for any software updates or malfunctions

How to fix DTC P2307 on BMW

To fix DTC P2307 on a BMW, consider the following:

  1. Replace the faulty ignition coil ‘C’
  2. Repair any damaged wiring or connectors in the primary control circuit
  3. Clear the fault code and perform a test drive to confirm the issue is resolved

How to erase DTC P2307 on BMW

To erase DTC P2307 on a BMW, use a diagnostic scanner to clear the fault code from the ECM’s memory. After clearing the code, perform a test drive to ensure the fault does not reoccur.

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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