BMW DTC P317E – Cylinder 3 H2-Injector Low Side Circuit Low
DTC P317E meaning on BMW
DTC P317E on a BMW indicates an issue with the Cylinder 3 H2-Injector Low Side Circuit being detected as low. This means that there is a problem with the fuel injector circuit for cylinder 3, specifically on the low side.
BMW DTC P317E symptoms
Symptoms of BMW DTC P317E may include rough idling, misfiring, loss of power, decreased fuel efficiency, and potentially an illuminated check engine light on the dashboard.
BMW DTC P317E causes
The causes of BMW DTC P317E can vary, but common reasons include a faulty fuel injector, wiring issues in the injector circuit, poor electrical connections, or a problem with the Engine Control Module (ECM).
BMW DTC P317E seriousness
While BMW DTC P317E may not always result in immediate drivability issues, it is important to address this problem promptly to prevent potential engine damage and ensure optimal performance of the vehicle.
How to diagnose DTC P317E on BMW
To diagnose DTC P317E on a BMW, a mechanic would typically use a diagnostic scanner to retrieve the fault codes and perform a thorough inspection of the fuel injector for cylinder 3, check the wiring and connections in the injector circuit, and test the ECM for any faults.
How to fix DTC P317E on BMW
Fixing BMW DTC P317E may involve replacing the faulty fuel injector for cylinder 3, repairing any damaged wiring or connections in the injector circuit, ensuring proper electrical continuity, and addressing any ECM issues if necessary.
How to erase DTC P317E on BMW
Once the underlying issue causing DTC P317E on a BMW has been resolved, the fault codes can be cleared using a diagnostic scanner. This will erase the DTC P317E code from the system and 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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