BMW DTC P0359 – Ignition Coil ‘I’ Primary Control Circuit/Open
DTC P0359 meaning on BMW
DTC P0359 for BMW indicates a malfunction in the ignition coil ‘I’ primary control circuit, specifically an open circuit. This fault code is triggered when the Engine Control Module (ECM) detects that the primary circuit of the ignition coil for cylinder ‘I’ is not functioning properly.
BMW DTC P0359 symptoms
Symptoms of DTC P0359 on a BMW may include engine misfires, rough idling, loss of power, and in some cases, the Check Engine Light may illuminate on the dashboard. The vehicle may also experience poor fuel efficiency and overall performance issues.
BMW DTC P0359 causes
The common causes of DTC P0359 on a BMW include a faulty ignition coil, damaged wiring or connectors in the ignition coil circuit, or a problem with the Engine Control Module (ECM). Additionally, corrosion or poor connections can also lead to this fault code.
BMW DTC P0359 seriousness
Ignoring DTC P0359 on a BMW can lead to further engine performance issues, potential damage to the catalytic converter, and increased emissions. It is important to address this fault code promptly to prevent any long-term damage to the vehicle.
How to diagnose DTC P0359 on BMW
To diagnose DTC P0359 on a BMW, start by using a diagnostic scanner to retrieve the fault code and any related codes. Inspect the wiring and connectors in the ignition coil circuit for any visible damage or corrosion. Test the ignition coil for proper resistance and continuity. Additionally, check the ECM for any signs of malfunction.
How to fix DTC P0359 on BMW
To fix DTC P0359 on a BMW, first, replace the faulty ignition coil if it is determined to be the cause of the issue. Repair or replace any damaged wiring or connectors in the ignition coil circuit. Ensure all connections are secure and free of corrosion. Clear the fault codes and test drive the vehicle to verify the repair.
How to erase DTC P0359 on BMW
To erase DTC P0359 on a BMW, use a diagnostic scanner to access the ECM and clear the fault codes. Follow the on-screen instructions provided by the scanner to erase the code successfully. After clearing the code, perform a final check to ensure the code does not return.
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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