BMW DTC P27BC – Pressure Control Solenoid ‘N’ Intermittent
DTC P27BC meaning on BMW
The DTC P27BC on a BMW refers to a fault with the Pressure Control Solenoid ‘N’ that is intermittent. This code indicates that there is an issue with the solenoid that controls the pressure in the transmission system, specifically solenoid ‘N’.
BMW DTC P27BC symptoms
Symptoms of the DTC P27BC on a BMW may include erratic shifting, harsh shifting, transmission slipping, or the transmission going into limp mode. The vehicle may also display a check engine light on the dashboard.
BMW DTC P27BC causes
The DTC P27BC on a BMW can be caused by a faulty Pressure Control Solenoid ‘N’, wiring issues, low transmission fluid levels, or a malfunctioning transmission control module.
BMW DTC P27BC seriousness
Ignoring the DTC P27BC on a BMW can lead to further damage to the transmission system, potentially resulting in costly repairs. It is important to address this issue promptly to prevent any long-term damage.
How to diagnose DTC P27BC on BMW
To diagnose the DTC P27BC on a BMW, a mechanic would typically use a diagnostic scanner to retrieve the fault codes from the vehicle’s computer system. They would then inspect the Pressure Control Solenoid ‘N’, check for any wiring issues, and ensure that the transmission fluid levels are adequate.
How to fix DTC P27BC on BMW
Fixing the DTC P27BC on a BMW may involve replacing the Pressure Control Solenoid ‘N’, repairing any damaged wiring, topping up the transmission fluid, or reprogramming the transmission control module. It is recommended to have this repair done by a qualified mechanic.
How to erase DTC P27BC on BMW
Once the underlying issue causing the DTC P27BC on a BMW has been fixed, the fault codes can be cleared using a diagnostic scanner. This will reset the check engine light and allow the vehicle to operate normally again.
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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