BMW DTC P170D – Pressure Control Solenoid ‘D’ Shunt Monitoring
DTC P170D meaning on BMW
DTC P170D is a diagnostic trouble code that indicates an issue with the Pressure Control Solenoid ‘D’ Shunt Monitoring in a BMW vehicle. This code is specific to BMW vehicles and is related to the transmission system.
BMW DTC P170D symptoms
Symptoms of DTC P170D in a BMW may include harsh shifting, delayed shifting, transmission slipping, or the transmission going into limp mode. The vehicle may also exhibit poor acceleration and decreased fuel efficiency.
BMW DTC P170D causes
The most common causes of DTC P170D in a BMW include a faulty pressure control solenoid ‘D’, wiring issues, low transmission fluid level, or a malfunctioning transmission control module.
BMW DTC P170D seriousness
DTC P170D should be addressed promptly as it can lead to further damage to the transmission system if left unresolved. Ignoring this code may result in costly repairs or even transmission failure.
How to diagnose DTC P170D on BMW
To diagnose DTC P170D on a BMW, a mechanic will typically use a diagnostic scanner to retrieve the fault codes stored in the vehicle’s computer. They will then perform a visual inspection of the transmission system, check the wiring and connectors, and test the pressure control solenoid ‘D’ for proper operation.
How to fix DTC P170D on BMW
Fixing DTC P170D on a BMW may involve replacing the pressure control solenoid ‘D’, repairing any damaged wiring or connectors, ensuring the transmission fluid level is correct, and resetting the transmission control module. It is recommended to have the repairs done by a qualified mechanic to ensure proper diagnosis and resolution of the issue.
How to erase DTC P170D on BMW
To erase DTC P170D on a BMW, a diagnostic scanner can be used to clear the fault codes stored in the vehicle’s computer. Once the issue has been addressed and fixed, the code can be erased to reset the system and ensure the problem 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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