BMW DTC P316E – Cylinder 1 H2-Injector Low Side Circuit Low
DTC P316E meaning on BMW
DTC P316E on a BMW indicates an issue with the Cylinder 1 H2-Injector Low Side Circuit being detected as low. This means that there is a problem with the fuel injector circuit for cylinder 1, specifically on the low side.
BMW DTC P316E symptoms
Symptoms of DTC P316E 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 P316E causes
The causes of DTC P316E on a BMW 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 P316E seriousness
DTC P316E should be taken seriously as it can lead to engine performance issues and potential damage if left unresolved. It is recommended to address this issue promptly to prevent further complications.
How to diagnose DTC P316E on BMW
To diagnose DTC P316E 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 1, check the wiring and connections in the injector circuit, and test the ECM for any faults.
How to fix DTC P316E on BMW
Fixing DTC P316E on a BMW may involve replacing the faulty fuel injector, repairing any damaged wiring or connections in the injector circuit, or addressing any issues with the ECM. It is recommended to follow the manufacturer’s repair procedures and use quality replacement parts.
How to erase DTC P316E on BMW
To erase DTC P316E on a BMW, a mechanic can use a diagnostic scanner to clear the fault codes stored in the ECM. Once the underlying issue has been addressed and fixed, the fault code can be cleared 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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