P1306 – BMW DTC

BMW DTC P1306 – Ignition Monitoring Cylinder 6 Spark Duration Too Short

DTC P1306 meaning on BMW

DTC P1306 on a BMW indicates that the Ignition Monitoring Cylinder 6 Spark Duration is too short. This means that the spark plug in cylinder 6 is not firing for the correct amount of time, which can lead to engine performance issues.

BMW DTC P1306 symptoms

Symptoms of DTC P1306 on a BMW may include rough idling, misfiring, loss of power, decreased fuel efficiency, and in some cases, the Check Engine Light may illuminate on the dashboard.

BMW DTC P1306 causes

The most common causes of DTC P1306 on a BMW include a faulty spark plug in cylinder 6, a malfunctioning ignition coil, wiring issues, or a problem with the engine control module (ECM).

BMW DTC P1306 seriousness

Ignoring DTC P1306 on a BMW can lead to further engine damage, decreased fuel efficiency, and potential drivability issues. It is important to address this issue promptly to prevent more severe problems.

How to diagnose DTC P1306 on BMW

To diagnose DTC P1306 on a BMW, a mechanic would typically start by using a diagnostic scanner to retrieve the fault codes. They would then inspect the spark plug, ignition coil, and wiring related to cylinder 6 to identify any visible issues. Additionally, performing a compression test and checking the ECM for any faults can help pinpoint the exact cause of the problem.

How to fix DTC P1306 on BMW

Fixing DTC P1306 on a BMW may involve replacing the spark plug in cylinder 6, replacing the ignition coil if faulty, repairing any damaged wiring, or reprogramming the ECM if necessary. It is important to address the root cause of the issue to ensure proper engine operation.

How to erase DTC P1306 on BMW

Once the underlying issue causing DTC P1306 on a BMW has been fixed, the fault codes can be cleared using a diagnostic scanner. This will reset the Check Engine Light and allow the vehicle’s ECM to monitor the system for any new faults.

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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