BMW DTC P27DE – Pressure Control Solenoid ‘T’ Control Circuit Range/Performance
DTC P27DE meaning on BMW
The DTC P27DE fault code on BMW vehicles indicates an issue with the Pressure Control Solenoid ‘T’ Control Circuit. This code is triggered when the Engine Control Module (ECM) detects that the signal from the pressure control solenoid ‘T’ is outside the expected range or performance parameters.
BMW DTC P27DE symptoms
Symptoms of the DTC P27DE code on a BMW may include:
- Harsh shifting
- Transmission slipping
- Transmission overheating
- Decreased fuel efficiency
- Illuminated Check Engine Light
BMW DTC P27DE causes
Common causes of the DTC P27DE code on BMW vehicles include:
- Faulty pressure control solenoid ‘T’
- Wiring or connector issues in the pressure control solenoid circuit
- Low transmission fluid level or dirty fluid
- Internal transmission problems
BMW DTC P27DE seriousness
Ignoring the DTC P27DE code on a BMW can lead to further transmission damage and potentially unsafe driving conditions. It is important to address this issue promptly to prevent more severe problems and costly repairs.
How to diagnose DTC P27DE on BMW
To diagnose the DTC P27DE code on a BMW, a mechanic may perform the following steps:
- Use a diagnostic scanner to retrieve the fault codes
- Inspect the pressure control solenoid ‘T’ and its wiring for any visible damage
- Check the transmission fluid level and condition
- Perform a test drive to observe the transmission’s behavior
How to fix DTC P27DE on BMW
To fix the DTC P27DE code on a BMW, the following steps may be taken:
- Replace the pressure control solenoid ‘T’ if it is found to be faulty
- Repair or replace any damaged wiring or connectors in the circuit
- Ensure the transmission fluid is at the correct level and in good condition
- If internal transmission issues are found, further diagnosis and repair may be necessary
How to erase DTC P27DE on BMW
After the underlying issue causing the DTC P27DE code on a BMW has been resolved, the fault code can be cleared using a diagnostic scanner. This will reset the Check Engine Light and allow for a fresh monitoring of the vehicle’s systems.
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
Some of the links on this page may be affiliate links, which means we may earn a small commission if you make a purchase. This helps us keep our DTC database up to date and provide valuable content for free. We only recommend products that we have tested and believe to be the best in their class.