BMW DTC P0552 – Power Steering Pressure Sensor/Switch Circuit Low
DTC P0552 meaning on BMW
DTC P0552 on a BMW indicates a low voltage condition in the power steering pressure sensor/switch circuit. This sensor is responsible for monitoring the pressure in the power steering system and providing feedback to the vehicle’s engine control module (ECM) or power steering control module.
BMW DTC P0552 symptoms
Symptoms of DTC P0552 on a BMW may include:
- Difficulty steering
- Stiff or heavy steering
- Power steering failure
- Warning light on the dashboard
BMW DTC P0552 causes
The common causes of DTC P0552 on a BMW include:
- Faulty power steering pressure sensor/switch
- Wiring or connector issues in the sensor circuit
- Low power steering fluid level
- ECM or power steering control module malfunction
BMW DTC P0552 seriousness
DTC P0552 should not be ignored as it can lead to power steering failure, making the vehicle difficult or unsafe to drive. It is recommended to address this issue promptly to ensure the proper functioning of the power steering system.
How to diagnose DTC P0552 on BMW
To diagnose DTC P0552 on a BMW, a mechanic can perform the following steps:
- Use a diagnostic scanner to retrieve the fault code and related data
- Inspect the power steering pressure sensor/switch for any visible damage or corrosion
- Check the wiring and connectors for any signs of wear or loose connections
- Test the power steering system for proper pressure and fluid level
- Verify the operation of the ECM or power steering control module
How to fix DTC P0552 on BMW
To fix DTC P0552 on a BMW, the following steps can be taken:
- Replace the faulty power steering pressure sensor/switch
- Repair or replace any damaged wiring or connectors in the sensor circuit
- Top up the power steering fluid to the correct level
- If necessary, reprogram or replace the ECM or power steering control module
How to erase DTC P0552 on BMW
After fixing the underlying issue causing DTC P0552 on a BMW, the fault code can be erased using a diagnostic scanner. This will clear the code from the vehicle’s memory and turn off the warning light on the dashboard. It is important to ensure that the repair has been successful before clearing the fault code.
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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