BMW DTC P17CC – Pressure Control Solenoid ‘C’ Control Circuit Faulty Feedback Signal
DTC P17CC meaning on BMW
The DTC P17CC on a BMW indicates a Pressure Control Solenoid ‘C’ Control Circuit Faulty Feedback Signal. This fault code is related to the transmission system and specifically points to an issue with the control circuit for the pressure control solenoid ‘C’.
BMW DTC P17CC symptoms
Symptoms of the BMW DTC P17CC may include harsh shifting, delayed shifting, transmission slipping, poor acceleration, and in some cases, the transmission may go into a fail-safe mode. The vehicle’s transmission may also exhibit erratic behavior or may not shift gears properly.
BMW DTC P17CC causes
The causes of the BMW DTC P17CC can vary, but common reasons include a faulty pressure control solenoid ‘C’, damaged wiring or connectors in the control circuit, low transmission fluid level, or internal transmission issues. Electrical faults or a malfunctioning transmission control module (TCM) can also trigger this fault code.
BMW DTC P17CC seriousness
The DTC P17CC on a BMW should be addressed promptly as it can lead to further transmission damage if left unresolved. Ignoring this fault code may result in more severe transmission issues, potential drivability problems, and increased repair costs.
How to diagnose DTC P17CC on BMW
To diagnose the DTC P17CC on a BMW, a comprehensive scan tool capable of reading transmission fault codes is required. The technician will need to inspect the pressure control solenoid ‘C’, check the wiring and connectors for any damage, verify the transmission fluid level, and perform a thorough inspection of the transmission system for any other related issues.
How to fix DTC P17CC on BMW
Fixing the BMW DTC P17CC typically involves replacing the faulty pressure control solenoid ‘C’, repairing any damaged wiring or connectors, ensuring the transmission fluid is at the correct level, and addressing any other underlying transmission problems. In some cases, reprogramming the TCM or performing a transmission fluid flush may be necessary.
How to erase DTC P17CC on BMW
Once the BMW DTC P17CC has been diagnosed and repaired, the fault code can be erased using a scan tool capable of clearing transmission codes. After the repair is completed, the vehicle should be driven to ensure the fault code does not return, indicating that the issue has been successfully 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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