BMW DTC P133D – Ionic Current Control Module Control Line Ignition Cylinder 1 Open Circuit
DTC P133D meaning on BMW
DTC P133D refers to an issue with the Ionic Current Control Module Control Line Ignition Cylinder 1 Open Circuit in BMW vehicles. This fault code indicates that there is an open circuit in the control line for the ignition cylinder 1, which can lead to improper engine operation and potential drivability issues.
BMW DTC P133D symptoms
Symptoms of DTC P133D in a BMW may include rough idling, misfiring, loss of power, hesitation during acceleration, and in some cases, the vehicle may even go into limp mode. The Check Engine Light will likely be illuminated on the dashboard as well.
BMW DTC P133D causes
The main causes of DTC P133D in BMW vehicles can include a faulty Ionic Current Control Module, damaged wiring or connectors in the ignition system, or issues with the ignition coil for cylinder 1. It is essential to perform a thorough diagnosis to pinpoint the exact cause.
BMW DTC P133D seriousness
While DTC P133D may not always result in immediate breakdown or safety hazards, it is crucial to address this issue promptly to prevent further damage to the engine or other components. Ignoring this fault code can lead to more severe drivability issues and potential engine damage.
How to diagnose DTC P133D on BMW
To diagnose DTC P133D on a BMW, a diagnostic scan tool capable of reading BMW-specific fault codes is required. The technician will need to inspect the wiring and connectors related to the ignition cylinder 1, test the Ionic Current Control Module, and check the ignition coil for proper function.
How to fix DTC P133D on BMW
Fixing DTC P133D on a BMW typically involves repairing or replacing the faulty components identified during the diagnostic process. This may include replacing the Ionic Current Control Module, repairing damaged wiring or connectors, or replacing the ignition coil for cylinder 1. Once the repairs are completed, the fault code should be cleared, and the vehicle should be tested to ensure the issue is resolved.
How to erase DTC P133D on BMW
To erase DTC P133D on a BMW, a diagnostic scan tool capable of clearing fault codes is needed. After the necessary repairs have been made to address the underlying issue, the technician can use the scan tool to clear the fault code from the vehicle’s memory. Once cleared, the Check Engine Light should turn off, indicating that the fault code has been successfully erased.
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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