BMW DTC P3314 – Ignition Coil Cylinder 6 Cut-Off due to Overtemperature Condition, or No Signal
DTC P3314 meaning on BMW
DTC P3314 on a BMW indicates an ignition coil cylinder 6 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 for cylinder 6, which could be caused by overheating or a lack of signal being received.
BMW DTC P3314 symptoms
Symptoms of BMW DTC P3314 may include engine misfires, rough idling, loss of power, and potentially an illuminated check engine light on the dashboard. The vehicle may also experience decreased fuel efficiency and overall performance.
BMW DTC P3314 causes
The causes of BMW DTC P3314 can vary, but common reasons include a faulty ignition coil for cylinder 6, wiring issues, overheating of the ignition coil, or a malfunction in the ECM. Environmental factors such as extreme heat can also contribute to this issue.
BMW DTC P3314 seriousness
Ignoring BMW DTC P3314 can lead to further damage to the engine, reduced fuel efficiency, and potential safety hazards. It is important to address this issue promptly to prevent more severe problems down the line.
How to diagnose DTC P3314 on BMW
To diagnose BMW DTC P3314, a mechanic will typically use a diagnostic scanner to retrieve the fault codes stored in the ECM. They will then inspect the ignition coil for cylinder 6, check the wiring for any damage, and perform tests to determine the cause of the issue.
How to fix DTC P3314 on BMW
Fixing BMW DTC P3314 may involve replacing the ignition coil for cylinder 6 if it is found to be faulty. The mechanic may also need to repair any damaged wiring or address any overheating issues. Once the root cause is identified and resolved, the fault codes can be cleared from the ECM.
How to erase DTC P3314 on BMW
To erase DTC P3314 on a BMW, the fault codes can be cleared using a diagnostic scanner. Once the underlying issue has been fixed and the fault codes have been cleared, the check engine light should turn off. It is important to ensure that the problem has been properly addressed before clearing the fault codes.
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
Some of the links on this page may be affiliate links, which means we may earn a small commission if you make a purchase. This helps us keep our DTC database up to date and provide valuable content for free. We only recommend products that we have tested and believe to be the best in their class.