BMW DTC P27C2 – Pressure Control Solenoid ‘P’ Stuck On
DTC P27C2 meaning on BMW
The DTC P27C2 code on a BMW indicates that the Pressure Control Solenoid ‘P’ is stuck on. This means that the solenoid responsible for controlling hydraulic pressure in the transmission is not functioning properly, leading to potential issues with gear shifting and overall transmission performance.
BMW DTC P27C2 symptoms
Symptoms of the BMW DTC P27C2 code may include harsh or delayed shifting, transmission slipping, poor acceleration, and in some cases, the transmission may go into a limp mode to prevent further damage.
BMW DTC P27C2 causes
The most common causes of the DTC P27C2 code on a BMW are a faulty pressure control solenoid, low transmission fluid level, dirty or contaminated transmission fluid, or electrical issues such as a wiring problem or a faulty transmission control module.
BMW DTC P27C2 seriousness
Ignoring the DTC P27C2 code on a BMW can lead to further damage to the transmission and potentially result in costly repairs. It is important to address this issue promptly to prevent any long-term damage to the vehicle.
How to diagnose DTC P27C2 on BMW
To diagnose the DTC P27C2 code on a BMW, a mechanic would typically start by using a diagnostic scanner to retrieve the fault codes stored in the vehicle’s computer. They would then inspect the transmission fluid level and condition, check the wiring and connectors related to the pressure control solenoid, and perform a thorough visual inspection of the transmission components.
How to fix DTC P27C2 on BMW
Fixing the DTC P27C2 code on a BMW may involve replacing the pressure control solenoid, performing a transmission fluid flush and filter replacement, repairing any damaged wiring or connectors, or replacing the transmission control module if necessary. It is recommended to have this repair done by a qualified mechanic to ensure proper diagnosis and repair.
How to erase DTC P27C2 on BMW
Once the underlying issue causing the DTC P27C2 code on a BMW has been fixed, the code can be erased using a diagnostic scanner. The scanner can clear the fault codes stored in the vehicle’s computer, resetting the system and turning off the check engine light. It is important to ensure that the repair has been successful before clearing the code to prevent it from reoccurring.
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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