BMW DTC P27CC – Pressure Control Solenoid ‘R’ Intermittent
DTC P27CC meaning on BMW
The DTC P27CC code on a BMW indicates an intermittent issue with the Pressure Control Solenoid ‘R’. This solenoid is responsible for regulating hydraulic pressure within the transmission system. The intermittent nature of the fault suggests that the solenoid is experiencing sporadic malfunctions rather than a constant problem.
BMW DTC P27CC symptoms
Symptoms associated with the DTC P27CC code on a BMW may include erratic shifting behavior, transmission slipping, harsh shifting, or even a complete failure to engage gears. The vehicle may also exhibit a noticeable decrease in fuel efficiency.
BMW DTC P27CC causes
The intermittent nature of the DTC P27CC code on a BMW can be caused by various factors, including a faulty Pressure Control Solenoid ‘R’, wiring issues, poor electrical connections, or a malfunctioning transmission control module.
BMW DTC P27CC seriousness
Ignoring the DTC P27CC code on a BMW can lead to further damage to the transmission system, potentially resulting in costly repairs. It is essential to address this issue promptly to prevent more severe transmission problems.
How to diagnose DTC P27CC on BMW
To diagnose the DTC P27CC code on a BMW, a mechanic will typically perform a thorough inspection of the transmission system. This may involve using a scan tool to retrieve specific transmission fault codes, conducting a visual inspection of the wiring and connectors, and testing the Pressure Control Solenoid ‘R’ for proper operation.
How to fix DTC P27CC on BMW
Fixing the DTC P27CC code on a BMW may involve replacing the faulty Pressure Control Solenoid ‘R’, repairing any damaged wiring or connectors, or addressing issues with the transmission control module. It is crucial to follow the manufacturer’s recommended repair procedures to ensure a proper fix.
How to erase DTC P27CC on BMW
Once the underlying issue causing the DTC P27CC code on a BMW has been resolved, the code can be cleared using a scan tool. By clearing the code, the vehicle’s onboard computer will reset the transmission system’s adaptive learning, allowing it to relearn optimal shifting patterns.
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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