BMW DTC P107D – H2-Rail Pressure Sensor Circuit High (Bank 1)
DTC P107D meaning on BMW
DTC P107D indicates a high voltage condition in the H2-Rail Pressure Sensor circuit of Bank 1 in a BMW vehicle. This fault code is specific to the rail pressure sensor, which is responsible for monitoring the fuel pressure in the high-pressure fuel rail.
BMW DTC P107D symptoms
Symptoms of DTC P107D in a BMW may include rough idling, engine misfires, reduced engine performance, hesitation during acceleration, and in some cases, the vehicle may go into limp mode. The Check Engine Light will also be illuminated on the dashboard.
BMW DTC P107D causes
The high voltage condition in the H2-Rail Pressure Sensor circuit (Bank 1) can be caused by issues such as a faulty rail pressure sensor, wiring harness issues, poor electrical connections, or a problem with the engine control module (ECM).
BMW DTC P107D seriousness
While DTC P107D may not cause immediate drivability issues, it is important to address this fault code promptly to prevent potential engine damage and ensure optimal performance and fuel efficiency of the vehicle.
How to diagnose DTC P107D on BMW
To diagnose DTC P107D on a BMW, a mechanic would typically use a diagnostic scanner to retrieve the fault code and perform a thorough inspection of the rail pressure sensor, wiring harness, and related components. They may also conduct tests to check the sensor’s voltage readings and continuity of the circuit.
How to fix DTC P107D on BMW
Fixing DTC P107D on a BMW involves identifying and addressing the root cause of the high voltage condition in the H2-Rail Pressure Sensor circuit. This may include replacing the rail pressure sensor, repairing any damaged wiring or connectors, or reprogramming the engine control module if necessary.
How to erase DTC P107D on BMW
Once the underlying issue causing DTC P107D has been resolved, the fault code can be cleared using a diagnostic scanner. By erasing the code, the Check Engine Light will be turned off, indicating that the issue has been addressed successfully.
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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