BMW DTC P3335 – Ignition Coil Cylinder 12 Cut-Off due to Overtemperature Condition, or No Signal
DTC P3335 meaning on BMW
DTC P3335 on a BMW indicates an ignition coil cylinder 12 cut-off due to an overtemperature condition or no signal. This means that the Engine Control Module (ECM) has detected an issue with the ignition coil in cylinder 12, either due to overheating or a lack of signal.
BMW DTC P3335 symptoms
Symptoms of DTC P3335 on a BMW may include engine misfires, rough idling, loss of power, and potentially an illuminated Check Engine Light on the dashboard. The vehicle may also experience reduced fuel efficiency and overall performance.
BMW DTC P3335 causes
The causes of DTC P3335 on a BMW can vary, but common reasons include a faulty ignition coil in cylinder 12, wiring issues, a poor electrical connection, or overheating of the ignition coil. Environmental factors such as extreme heat can also contribute to this issue.
BMW DTC P3335 seriousness
Ignoring DTC P3335 on a BMW can lead to further engine damage, reduced fuel efficiency, and potential drivability issues. It is important to address this issue promptly to prevent more severe problems down the line.
How to diagnose DTC P3335 on BMW
To diagnose DTC P3335 on a BMW, a mechanic would typically use a diagnostic scanner to retrieve the fault codes stored in the ECM. They would then inspect the ignition coil in cylinder 12, check for any wiring or connection issues, and perform tests to determine the root cause of the problem.
How to fix DTC P3335 on BMW
Fixing DTC P3335 on a BMW may involve replacing the faulty ignition coil in cylinder 12, repairing any damaged wiring or connections, and addressing any overheating issues. It is recommended to use genuine BMW parts for the replacement to ensure proper functionality.
How to erase DTC P3335 on BMW
To erase DTC P3335 on a BMW, a mechanic can use a diagnostic scanner to clear the fault code from the ECM’s memory. Once the underlying issue has been addressed and fixed, the code can be cleared to reset the Check Engine Light and ensure that the problem has been resolved.
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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