P0353 – BMW DTC

BMW DTC P0353 – Ignition Coil ‘C’ Primary Control Circuit/Open

DTC P0353 meaning on BMW

DTC P0353 for BMW indicates a malfunction in the ignition coil ‘C’ primary control circuit, specifically an open circuit. This means that the Engine Control Module (ECM) has detected a lack of continuity or a break in the circuit that controls the primary side of the ignition coil for cylinder ‘C’.

BMW DTC P0353 symptoms

Symptoms of DTC P0353 on a BMW may include:

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

BMW DTC P0353 causes

The common causes of DTC P0353 on a BMW are:

• Faulty ignition coil ‘C’
• Open or short circuit in the wiring harness connected to the ignition coil ‘C’
• Loose or poor electrical connection at the ignition coil ‘C’
• Defective Engine Control Module (ECM)

BMW DTC P0353 seriousness

Ignoring DTC P0353 on a BMW can lead to potential engine performance issues, such as misfires and reduced fuel efficiency. Continued driving with this fault can also cause damage to the catalytic converter and other engine components.

How to diagnose DTC P0353 on BMW

To diagnose DTC P0353 on a BMW, you can follow these steps:

1. Use a diagnostic scanner to retrieve the fault code and confirm DTC P0353.
2. Inspect the wiring harness connected to the ignition coil ‘C’ for any visible damage or loose connections.
3. Test the continuity of the circuit using a multimeter to check for any open circuits.
4. If necessary, perform a resistance test on the ignition coil ‘C’ to determine its condition.

How to fix DTC P0353 on BMW

To fix DTC P0353 on a BMW, you can take the following actions:

1. Replace the faulty ignition coil ‘C’ with a new one.
2. Repair any open or short circuits in the wiring harness connected to the ignition coil ‘C’.
3. Ensure all electrical connections at the ignition coil ‘C’ are secure and free of corrosion.
4. If needed, replace the Engine Control Module (ECM) if it is determined to be defective.

How to erase DTC P0353 on BMW

To erase DTC P0353 on a BMW, you can clear the fault code using a diagnostic scanner. After fixing the underlying issue that caused the fault code, you can reset the ECM by clearing the code. This will turn off the Check Engine Light and ensure the fault code is no longer stored in the system.

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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