BMW DTC P094E – Hydraulic Pump Supply Voltage Circuit/Open
DTC P094E meaning on BMW
The Diagnostic Trouble Code (DTC) P094E for BMW indicates a fault in the Hydraulic Pump Supply Voltage Circuit, specifically an open circuit. This fault code is related to the vehicle’s hydraulic pump system, which is crucial for proper operation of components such as the transmission or braking system.
BMW DTC P094E symptoms
Symptoms associated with DTC P094E on a BMW may include:
- Warning lights on the dashboard, such as the transmission or brake warning lights
- Loss of power steering assistance
- Transmission shifting issues
- Braking system malfunctions
BMW DTC P094E causes
Common causes of DTC P094E on a BMW include:
- Faulty hydraulic pump
- Corroded or damaged wiring in the hydraulic pump circuit
- Loose or poor electrical connections
- Issues with the hydraulic pump relay
BMW DTC P094E seriousness
The seriousness of DTC P094E on a BMW depends on the specific vehicle and the extent of the issue. Ignoring this fault code can lead to potential safety hazards, such as loss of braking power or steering assistance. It is recommended to address this issue promptly to ensure the vehicle’s proper functionality and safety.
How to diagnose DTC P094E on BMW
To diagnose DTC P094E on a BMW, a mechanic would typically perform the following steps:
- Use a diagnostic scanner to retrieve the fault code and related data
- Inspect the hydraulic pump and associated wiring for any visible damage or corrosion
- Check the electrical connections and relay related to the hydraulic pump
- Perform a voltage test to determine if the pump is receiving proper voltage
How to fix DTC P094E on BMW
To fix DTC P094E on a BMW, the following steps may be taken:
- Replace the faulty hydraulic pump if necessary
- Repair or replace any damaged wiring in the hydraulic pump circuit
- Ensure all electrical connections are secure and free of corrosion
- Replace the hydraulic pump relay if found to be faulty
How to erase DTC P094E on BMW
After addressing the underlying issue causing DTC P094E on a BMW, the fault code can be erased using a diagnostic scanner. This will clear the code from the vehicle’s memory and reset the system. It is important to verify that the issue has been resolved before clearing the fault 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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