BMW DTC P1047 – VVL-Control Circuit High (Bank 1)
DTC P1047 meaning on BMW
The Diagnostic Trouble Code (DTC) P1047 for BMW refers to a VVL (Variable Valve Lift) Control Circuit High issue in Bank 1. This code indicates that there is a problem with the control circuit responsible for managing the variable valve lift system in the engine’s Bank 1.
BMW DTC P1047 symptoms
Symptoms associated with DTC P1047 on a BMW may include:
- Check Engine Light (MIL) illuminated on the dashboard
- Reduced engine performance
- Engine misfires
- Rough idling or stalling
BMW DTC P1047 causes
Common causes of DTC P1047 on a BMW include:
- Faulty VVL control solenoid
- Wiring issues in the VVL control circuit
- Defective engine control module (ECM)
- Low engine oil level or poor oil quality
BMW DTC P1047 seriousness
Ignoring DTC P1047 on a BMW can lead to potential engine performance issues and may cause further damage to engine components over time. It is recommended to address this code promptly to prevent more severe problems.
How to diagnose DTC P1047 on BMW
To diagnose DTC P1047 on a BMW, a mechanic may perform the following steps:
- Use a diagnostic scanner to retrieve the fault code and related data
- Inspect the VVL control solenoid and wiring for any visible damage
- Check the engine oil level and quality
- Perform a thorough inspection of the VVL system components
How to fix DTC P1047 on BMW
To fix DTC P1047 on a BMW, the following steps may be taken:
- Replace the faulty VVL control solenoid if necessary
- Repair any damaged wiring in the VVL control circuit
- Ensure the engine oil level is correct and of good quality
- If needed, replace the engine control module (ECM)
How to erase DTC P1047 on BMW
To erase DTC P1047 on a BMW, the fault code can be cleared using a diagnostic scanner. After addressing the underlying issue causing the code, the scanner can be used to reset the code and clear the Check Engine Light from the dashboard.
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.