BMW DTC P175C – Gear Shift Position 2/4 Circuit Wrong Frequency
DTC P175C meaning on BMW
DTC P175C on a BMW indicates a Gear Shift Position 2/4 Circuit Wrong Frequency fault. This fault code is related to the transmission control module detecting an incorrect frequency signal from the gear shift position sensor when the transmission is in gears 2 or 4.
BMW DTC P175C symptoms
Symptoms of DTC P175C on a BMW may include erratic shifting behavior, transmission slipping, harsh shifting, or the transmission going into limp mode. The vehicle may also display a warning light on the dashboard indicating a transmission fault.
BMW DTC P175C causes
The common causes of DTC P175C on a BMW include a faulty gear shift position sensor, damaged wiring or connectors in the circuit, or a malfunction in the transmission control module. It is essential to inspect these components to determine the exact cause of the fault.
BMW DTC P175C seriousness
DTC P175C should be taken seriously as it can lead to drivability issues and potential transmission damage if left unresolved. Ignoring this fault code may result in further transmission problems and could compromise the safety and performance of the vehicle.
How to diagnose DTC P175C on BMW
To diagnose DTC P175C on a BMW, start by using a diagnostic scanner to retrieve the fault code and perform a thorough inspection of the gear shift position sensor, wiring, and connectors. Check for any visible damage or corrosion that may be causing the incorrect frequency signal. Additionally, test the transmission control module for proper functionality.
How to fix DTC P175C on BMW
To fix DTC P175C on a BMW, replace the faulty gear shift position sensor if it is determined to be the cause of the fault. Inspect and repair any damaged wiring or connectors in the circuit. If the issue persists, consider reprogramming or replacing the transmission control module. After making the necessary repairs, clear the fault code and test drive the vehicle to ensure the issue has been resolved.
How to erase DTC P175C on BMW
To erase DTC P175C on a BMW, use a diagnostic scanner to clear the fault code from the transmission control module’s memory. After clearing the code, perform a final scan to confirm that the fault code has been successfully erased. It is essential to ensure that the underlying issue causing the fault code has been addressed before clearing it to prevent it from reoccurring.
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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