BMW DTC P3179 – Cylinder 11 High Pressure Injector High Side Circuit Low
DTC P3179 meaning on BMW
DTC P3179 on a BMW indicates an issue with the high-pressure injector high side circuit in cylinder 11. This fault code is triggered when the Engine Control Module (ECM) detects that the high side circuit voltage for the injector in cylinder 11 is lower than expected.
BMW DTC P3179 symptoms
Symptoms of DTC P3179 on a BMW may include rough idling, misfires, loss of power, decreased fuel efficiency, and potentially an illuminated Check Engine Light on the dashboard.
BMW DTC P3179 causes
The common causes of DTC P3179 on a BMW include a faulty high-pressure injector, wiring issues in the high side circuit, poor electrical connections, or a malfunctioning Engine Control Module (ECM).
BMW DTC P3179 seriousness
Ignoring DTC P3179 on a BMW can lead to drivability issues, potential engine damage, and increased emissions. It is important to address this fault code promptly to prevent further complications.
How to diagnose DTC P3179 on BMW
To diagnose DTC P3179 on a BMW, a mechanic would typically perform a visual inspection of the high-pressure injector and its wiring. They may also use a diagnostic scan tool to retrieve specific fault code information and check the voltage readings in the high side circuit for cylinder 11.
How to fix DTC P3179 on BMW
Fixing DTC P3179 on a BMW may involve replacing the faulty high-pressure injector, repairing any damaged wiring or connectors in the high side circuit, or addressing any issues with the Engine Control Module (ECM). It is recommended to follow the manufacturer’s diagnostic and repair procedures.
How to erase DTC P3179 on BMW
To erase DTC P3179 on a BMW, a mechanic can use a diagnostic scan tool to clear the fault code from the Engine Control Module (ECM) memory. Once the issue has been addressed and fixed, the fault code can be erased to reset the Check Engine Light.
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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