P2306 – BMW DTC

BMW DTC P2306 – Ignition Coil ‘C’ Primary Control Circuit Low

DTC P2306 meaning on BMW

The Diagnostic Trouble Code (DTC) P2306 for BMW indicates an issue with the ignition coil ‘C’ primary control circuit. This means that the Engine Control Module (ECM) has detected a low voltage condition in the primary control circuit of the ignition coil ‘C’.

BMW DTC P2306 symptoms

Symptoms of DTC P2306 on a BMW may include:

• Engine misfires
• Rough idling
• Loss of power
• Check Engine Light (CEL) illuminated on the dashboard

BMW DTC P2306 causes

Common causes of DTC P2306 on a BMW include:

• Defective ignition coil ‘C’
• Faulty wiring or connectors in the ignition coil circuit
• Issues with the Engine Control Module (ECM)

BMW DTC P2306 seriousness

Ignoring DTC P2306 on a BMW can lead to potential engine performance issues and further damage if left unresolved. It is recommended to address this code promptly to prevent any long-term problems.

How to diagnose DTC P2306 on BMW

To diagnose DTC P2306 on a BMW, you can 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 resistance of the ignition coil ‘C’ using a multimeter
4. Test the continuity of the wiring and connectors in the ignition coil circuit
5. Inspect the ECM for any signs of malfunction

How to fix DTC P2306 on BMW

To fix DTC P2306 on a BMW, you can try the following:

1. Replace the faulty ignition coil ‘C’
2. Repair or replace any damaged wiring or connectors in the ignition coil circuit
3. If the ECM is faulty, consider reprogramming or replacing it

How to erase DTC P2306 on BMW

To erase DTC P2306 on a BMW, you can use a diagnostic scanner to clear the code after the underlying issue has been resolved. Once the repair has been completed, you can reset the ECM and erase the fault code 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

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