BMW DTC P317C – Cylinder 2 H2-Injector Low Side Circuit High
DTC P317C meaning on BMW
The DTC P317C for BMW indicates an issue with the Cylinder 2 H2-Injector Low Side Circuit being detected as high. This fault code is related to the fuel injection system of the vehicle, specifically affecting the injector circuit for cylinder 2.
BMW DTC P317C symptoms
Symptoms of the DTC P317C on a BMW may include rough idling, misfires, decreased engine performance, poor fuel efficiency, and potentially an illuminated check engine light on the dashboard.
BMW DTC P317C causes
The possible causes of the DTC P317C on a BMW can include issues with the injector itself, wiring or connector problems in the injector circuit, a faulty engine control module (ECM), or even a mechanical issue within the cylinder 2 fuel injector.
BMW DTC P317C seriousness
While the DTC P317C may not always result in immediate drivability issues, it is important to address this fault code promptly to prevent potential engine damage, decreased performance, and increased fuel consumption over time.
How to diagnose DTC P317C on BMW
To diagnose the DTC P317C on a BMW, a mechanic would typically use a diagnostic scanner to retrieve the fault code and then perform further testing on the cylinder 2 injector circuit, including checking the wiring, connectors, and the injector itself for any faults or damage.
How to fix DTC P317C on BMW
Fixing the DTC P317C on a BMW may involve repairing or replacing the faulty injector, addressing any wiring or connector issues, resetting the engine control module, or updating the software if necessary. It is recommended to follow the manufacturer’s repair procedures for a proper fix.
How to erase DTC P317C on BMW
To erase the DTC P317C on a BMW, a diagnostic scanner can be used to clear the fault code from the engine control module’s memory. After the repair has been completed, the code can be erased to reset the system and ensure that the issue has been resolved.
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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