BMW DTC P133B – Ionic Current Control Module Control Line Ignition Cylinder 9 High
DTC P133B meaning on BMW
DTC P133B is a fault code that indicates an issue with the Ionic Current Control Module Control Line Ignition Cylinder 9 being too high in a BMW vehicle. This fault code is specific to BMW vehicles and is related to the control of the ignition system.
BMW DTC P133B symptoms
Symptoms of DTC P133B in a BMW may include rough idling, engine misfires, loss of power, and potentially an illuminated check engine light on the dashboard. The vehicle may also experience poor fuel efficiency and overall performance.
BMW DTC P133B causes
The most common causes of DTC P133B in a BMW include faulty ignition coils, spark plugs, or wiring issues related to the ignition system. It could also be caused by a malfunctioning Ionic Current Control Module or a problem with the control line for Ignition Cylinder 9.
BMW DTC P133B seriousness
While DTC P133B may not cause immediate harm to the vehicle, it can lead to poor engine performance and potentially more severe issues if left unresolved. Ignoring this fault code could result in further damage to the engine or other components over time.
How to diagnose DTC P133B on BMW
To diagnose DTC P133B on a BMW, a mechanic would typically use a diagnostic scanner to retrieve the fault code and then perform a thorough inspection of the ignition system components. This may involve checking the condition of the ignition coils, spark plugs, wiring, and the Ionic Current Control Module.
How to fix DTC P133B on BMW
Fixing DTC P133B on a BMW usually involves replacing any faulty ignition coils, spark plugs, or wiring that may be causing the issue. In some cases, the Ionic Current Control Module may need to be replaced or reprogrammed. It is important to address the root cause of the problem to ensure a proper fix.
How to erase DTC P133B on BMW
Once the underlying issue causing DTC P133B has been resolved, the fault code can be cleared using a diagnostic scanner. This will reset the check engine light and erase the fault code from the vehicle’s memory. It is important to ensure that the repair has been successful before clearing the fault code.
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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