BMW DTC P134D – Ionic Current Control Module Control Line Ignition Cylinder 7 Open Circuit
DTC P134D meaning on BMW
DTC P134D refers to an issue with the Ionic Current Control Module Control Line Ignition Cylinder 7 Open Circuit in BMW vehicles. This fault code indicates that there is an open circuit detected in the control line for the ignition cylinder 7, which can lead to improper engine combustion and performance issues.
BMW DTC P134D symptoms
Symptoms of DTC P134D in BMW vehicles may include rough idling, engine misfires, loss of power, decreased fuel efficiency, and in some cases, the Check Engine Light may illuminate on the dashboard.
BMW DTC P134D causes
The main causes of DTC P134D in BMW cars can be a faulty Ionic Current Control Module, damaged wiring or connectors in the control line for ignition cylinder 7, or issues with the ignition coil for cylinder 7.
BMW DTC P134D seriousness
Ignoring DTC P134D in a BMW can lead to further engine damage, reduced fuel efficiency, and potential drivability issues. It is important to address this fault code promptly to prevent any long-term damage to the vehicle.
How to diagnose DTC P134D on BMW
To diagnose DTC P134D on a BMW, a mechanic would typically use a diagnostic scanner to retrieve the fault code and perform a visual inspection of the wiring and connectors related to the ignition cylinder 7. They may also test the Ionic Current Control Module and ignition coil for cylinder 7 to identify the root cause of the issue.
How to fix DTC P134D on BMW
Fixing DTC P134D on a BMW may involve repairing or replacing the faulty Ionic Current Control Module, repairing any damaged wiring or connectors, or replacing the ignition coil for cylinder 7 if necessary. Once the root cause of the issue is addressed, the fault code should be cleared, and the vehicle should be tested to ensure the problem is resolved.
How to erase DTC P134D on BMW
To erase DTC P134D on a BMW, a mechanic can use a diagnostic scanner to clear the fault code from the vehicle’s computer system. After the repair has been completed and the issue resolved, the fault code can be cleared to turn off the Check Engine Light and ensure that the vehicle is running smoothly.
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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