BMW DTC P170E – Pressure Control Solenoid ‘E’ Shunt Monitoring
DTC P170E meaning on BMW
DTC P170E refers to the Pressure Control Solenoid ‘E’ Shunt Monitoring in BMW vehicles. This diagnostic trouble code indicates an issue with the pressure control solenoid ‘E’ circuit, specifically related to shunt monitoring.
BMW DTC P170E symptoms
Symptoms of DTC P170E in BMW vehicles may include erratic shifting behavior, transmission slipping, harsh shifting, or the transmission going into limp mode. Additionally, the vehicle’s check engine light may illuminate.
BMW DTC P170E causes
The common causes of DTC P170E in BMW vehicles include a faulty pressure control solenoid ‘E’, damaged wiring or connectors in the solenoid circuit, low transmission fluid level, or internal transmission issues.
BMW DTC P170E seriousness
DTC P170E should be addressed promptly as it can lead to further transmission problems if left unresolved. Ignoring this code may result in transmission damage and potential safety hazards while driving.
How to diagnose DTC P170E on BMW
To diagnose DTC P170E on a BMW, a mechanic would typically use a diagnostic scanner to retrieve the fault codes from the vehicle’s transmission control module. They would then perform a visual inspection of the pressure control solenoid ‘E’ and its wiring for any visible damage. Additionally, testing the solenoid’s resistance and checking the transmission fluid level and condition may be necessary.
How to fix DTC P170E on BMW
Fixing DTC P170E on a BMW may involve replacing the pressure control solenoid ‘E’ if it is found to be faulty. Repairing or replacing any damaged wiring or connectors in the circuit is also essential. Ensuring the transmission fluid level is correct and addressing any internal transmission issues, if present, are crucial steps in resolving this fault code.
How to erase DTC P170E on BMW
To erase DTC P170E on a BMW, a mechanic can use a diagnostic scanner to clear the fault codes stored in the transmission control module. After the repairs have been made and the issue resolved, the code can be erased to reset the system and turn off 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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