BMW DTC P3144 – Cylinder 12 High Pressure Injector Low Side Circuit Open
DTC P3144 meaning on BMW
The Diagnostic Trouble Code (DTC) P3144 for BMW indicates an issue with the Cylinder 12 High Pressure Injector Low Side Circuit Open. This means that there is a problem with the electrical circuit that controls the high-pressure fuel injector for cylinder 12 in the engine.
BMW DTC P3144 symptoms
Symptoms of DTC P3144 on a BMW may include:
- Engine misfires
- Loss of power
- Rough idling
- Decreased fuel efficiency
- Check Engine Light (CEL) illuminated on the dashboard
BMW DTC P3144 causes
Common causes of DTC P3144 on a BMW include:
- Faulty high-pressure fuel injector
- Wiring or connector issues in the injector circuit
- ECU (Engine Control Unit) malfunction
- Injector driver module failure
BMW DTC P3144 seriousness
Ignoring DTC P3144 on a BMW can lead to potential engine damage, decreased performance, and increased fuel consumption. It is important to address this issue promptly to prevent further complications.
How to diagnose DTC P3144 on BMW
To diagnose DTC P3144 on a BMW, you can perform the following steps:
- Use a diagnostic scanner to retrieve the fault codes
- Inspect the wiring and connectors related to the high-pressure injector
- Test the high-pressure injector for proper operation
- Check the ECU and injector driver module for faults
How to fix DTC P3144 on BMW
To fix DTC P3144 on a BMW, you may need to:
- Replace the faulty high-pressure fuel injector
- Repair or replace damaged wiring or connectors in the circuit
- Address any issues with the ECU or injector driver module
- Clear the fault codes and perform a test drive to ensure the issue is resolved
How to erase DTC P3144 on BMW
To erase DTC P3144 on a BMW, you can use a diagnostic scanner to clear the fault codes stored in the ECU. After fixing the underlying issue causing the fault code, clearing the code will reset the Check Engine Light and ensure that the repair was successful.
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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