BMW DTC P27AB – Pressure Control Solenoid ‘E’ Data Incompatible
DTC P27AB meaning on BMW
The Diagnostic Trouble Code (DTC) P27AB for BMW indicates an issue with the Pressure Control Solenoid ‘E’ data being incompatible. This means that there is a discrepancy or inconsistency in the data being received or transmitted by the pressure control solenoid ‘E’ within the vehicle’s transmission system.
BMW DTC P27AB symptoms
Symptoms associated with the BMW DTC P27AB may include erratic shifting behavior, transmission slipping, harsh shifting, or the transmission going into limp mode. The vehicle may also experience a decrease in fuel efficiency and overall performance.
BMW DTC P27AB causes
The causes of the BMW DTC P27AB can vary, but common reasons include a faulty pressure control solenoid ‘E’, wiring issues, low transmission fluid levels, or a malfunctioning transmission control module (TCM). It is essential to perform a thorough diagnosis to pinpoint the exact cause.
BMW DTC P27AB seriousness
The seriousness of the BMW DTC P27AB code lies in the potential impact on the vehicle’s drivability and overall safety. Ignoring this issue can lead to further damage to the transmission system and may result in costly repairs if not addressed promptly.
How to diagnose DTC P27AB on BMW
To diagnose the DTC P27AB on a BMW, a professional diagnostic scan tool is typically used to retrieve the fault codes stored in the vehicle’s computer system. A thorough inspection of the pressure control solenoid ‘E’, wiring connections, and transmission fluid levels should be conducted to identify the root cause of the issue.
How to fix DTC P27AB on BMW
Fixing the BMW DTC P27AB code may involve replacing the pressure control solenoid ‘E’, repairing any damaged wiring, ensuring proper transmission fluid levels, or addressing any issues with the transmission control module (TCM). It is recommended to follow the manufacturer’s repair procedures and guidelines for a proper fix.
How to erase DTC P27AB on BMW
Once the underlying issue causing the DTC P27AB on a BMW has been resolved, the fault codes can be cleared using a diagnostic scan tool. By erasing the DTC P27AB code, the vehicle’s computer system will reset and monitor the system for any recurring issues. It is important to ensure that the repair has been successful before clearing the fault codes.
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.