BMW DTC P27E5 – Electric/Auxiliary Transmission Fluid Pump Control Valve Circuit Low
DTC P27E5 meaning on BMW
The DTC P27E5 fault code on BMW vehicles indicates a low circuit condition in the control valve of the electric/auxiliary transmission fluid pump. This fault is related to the transmission system and specifically to the control of the fluid pump that assists in maintaining proper transmission fluid pressure.
BMW DTC P27E5 symptoms
Symptoms of the DTC P27E5 fault code on a BMW may include:
- Transmission shifting issues
- Transmission slipping
- Reduced fuel efficiency
- Illuminated transmission warning light
BMW DTC P27E5 causes
The common causes of the DTC P27E5 fault code on BMW vehicles are:
- Faulty electric/auxiliary transmission fluid pump control valve
- Wiring or connection issues in the control valve circuit
- Low transmission fluid level
- Internal transmission problems
BMW DTC P27E5 seriousness
The DTC P27E5 fault code should be addressed promptly as it can lead to potential transmission damage if left unresolved. Ignoring this fault may result in further transmission issues and potentially costly repairs.
How to diagnose DTC P27E5 on BMW
To diagnose the DTC P27E5 fault code on a BMW, a mechanic would typically perform the following steps:
- Use a diagnostic scanner to retrieve the fault codes stored in the vehicle’s computer
- Inspect the electric/auxiliary transmission fluid pump control valve and its wiring for any visible damage
- Check the transmission fluid level and condition
- Perform a thorough transmission system inspection to identify any internal issues
How to fix DTC P27E5 on BMW
To fix the DTC P27E5 fault code on a BMW, the following steps may be taken:
- Replace the faulty electric/auxiliary transmission fluid pump control valve
- Repair any damaged wiring or connections in the control valve circuit
- Ensure the transmission fluid level is correct and top up if necessary
- Address any internal transmission problems identified during diagnosis
How to erase DTC P27E5 on BMW
After fixing the underlying issue causing the DTC P27E5 fault code on a BMW, the code can be erased using a diagnostic scanner. The scanner can clear the fault codes stored in the vehicle’s computer, resetting the transmission system and turning off the warning light.
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.