BMW DTC P1052 – VVL-Control Circuit Low (Bank 2)
DTC P1052 meaning on BMW
The Diagnostic Trouble Code (DTC) P1052 for BMW refers to a fault in the Variable Valve Lift (VVL) control circuit on Bank 2. This code indicates that the VVL system on Bank 2 is experiencing a low voltage condition, which can affect the engine’s performance and efficiency.
BMW DTC P1052 symptoms
Symptoms of DTC P1052 on a BMW may include:
- Check Engine Light (CEL) illuminated on the dashboard
- Reduced engine performance
- Engine misfires
- Rough idling or stalling
BMW DTC P1052 causes
Common causes of DTC P1052 on a BMW include:
- Faulty VVL control solenoid
- Wiring issues in the VVL control circuit
- Low engine oil level or poor oil quality
- ECU (Engine Control Unit) malfunction
BMW DTC P1052 seriousness
DTC P1052 should not be ignored as it can lead to engine performance issues and potential damage if left unresolved. It is recommended to address this code promptly to prevent further complications.
How to diagnose DTC P1052 on BMW
To diagnose DTC P1052 on a BMW, you can perform the following steps:
- Use a diagnostic scanner to retrieve the fault codes
- Inspect the VVL control solenoid and wiring for any visible damage
- Check the engine oil level and quality
- Perform a voltage test on the VVL control circuit
How to fix DTC P1052 on BMW
To fix DTC P1052 on a BMW, you can try the following solutions:
- Replace the faulty VVL control solenoid
- Repair any damaged wiring in the VVL control circuit
- Ensure the engine oil level is adequate and of good quality
- If necessary, replace the ECU
How to erase DTC P1052 on BMW
To erase DTC P1052 on a BMW, you can use a diagnostic scanner to clear the fault codes stored in the ECU. Once the codes are cleared, you can drive the vehicle and monitor for any recurrence of the issue.
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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