BMW DTC P0947 – Hydraulic Pump Relay/Control Circuit Low
DTC P0947 meaning on BMW
DTC P0947 on a BMW indicates a fault with the hydraulic pump relay/control circuit being detected as low. This fault code is specific to the hydraulic pump relay/control circuit in the transmission system of the vehicle.
BMW DTC P0947 symptoms
Symptoms of DTC P0947 on a BMW may include:
- Transmission shifting issues
- Transmission slipping
- Transmission not engaging properly
- Warning lights on the dashboard
BMW DTC P0947 causes
The common causes of DTC P0947 on a BMW are:
- Faulty hydraulic pump relay
- Wiring issues in the hydraulic pump relay/control circuit
- Low hydraulic fluid level
- Hydraulic pump failure
BMW DTC P0947 seriousness
DTC P0947 should be addressed promptly as it can lead to transmission malfunctions and potentially unsafe driving conditions. Ignoring this fault code may result in further damage to the transmission system.
How to diagnose DTC P0947 on BMW
To diagnose DTC P0947 on a BMW, you can follow these steps:
- Use a diagnostic scanner to retrieve the fault code
- Inspect the hydraulic pump relay for any visible damage
- Check the wiring in the hydraulic pump relay/control circuit for continuity
- Verify the hydraulic fluid level in the transmission
- Perform a thorough inspection of the hydraulic pump for any signs of failure
How to fix DTC P0947 on BMW
To fix DTC P0947 on a BMW, you can try the following solutions:
- Replace the faulty hydraulic pump relay
- Repair any damaged wiring in the hydraulic pump relay/control circuit
- Top up the hydraulic fluid to the correct level
- Replace the hydraulic pump if it is found to be faulty
How to erase DTC P0947 on BMW
To erase DTC P0947 on a BMW, you can clear the fault code using a diagnostic scanner. Once the underlying issue has been addressed and fixed, you can use the scanner to clear the code from the vehicle’s memory.
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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