BMW DTC P3189 – CAN Timeout High Pressure Injector Message (Bank 2)
DTC P3189 meaning on BMW
The Diagnostic Trouble Code (DTC) P3189 for BMW indicates a CAN Timeout High Pressure Injector Message on Bank 2. This means that the Engine Control Module (ECM) has detected a communication issue related to the high-pressure injector on Bank 2 of the vehicle.
BMW DTC P3189 symptoms
Symptoms of the BMW DTC P3189 may include:
- Engine misfires
- Reduced engine performance
- Check Engine Light (CEL) illuminated
- Engine stalling
BMW DTC P3189 causes
Possible causes of the BMW DTC P3189 include:
- Faulty high-pressure injector on Bank 2
- Wiring or connection issues related to the high-pressure injector
- ECM communication error
BMW DTC P3189 seriousness
The DTC P3189 on a BMW should be addressed promptly as it can lead to engine performance issues and potential drivability concerns. Ignoring this code may result in further damage to the engine components.
How to diagnose DTC P3189 on BMW
To diagnose the DTC P3189 on a BMW, you can perform the following steps:
- Use a diagnostic scanner to retrieve the fault codes stored in the ECM.
- Inspect the wiring and connections related to the high-pressure injector on Bank 2.
- Test the high-pressure injector for proper operation.
- Check for any other related DTCs that may provide additional information.
How to fix DTC P3189 on BMW
To fix the DTC P3189 on a BMW, you can take the following actions:
- Replace the faulty high-pressure injector on Bank 2.
- Repair any wiring or connection issues related to the high-pressure injector.
- Clear the fault codes stored in the ECM after the repairs have been completed.
- Perform a test drive to ensure the issue has been resolved.
How to erase DTC P3189 on BMW
To erase the DTC P3189 on a BMW, you can use a diagnostic scanner to clear the fault codes stored in the ECM. Make sure that the underlying issue causing the fault code has been addressed before clearing the code to prevent it from reoccurring.
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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