BMW DTC P117A – VVL-Relay Circuit (Bank 2)
DTC P117A meaning on BMW
The DTC P117A for BMW refers to a fault in the Variable Valve Lift (VVL) relay circuit on Bank 2. This diagnostic trouble code indicates that there is an issue with the relay responsible for controlling the variable valve lift system on the specified bank of the engine.
BMW DTC P117A symptoms
Symptoms of the DTC P117A on a BMW may include:
- Check Engine Light (CEL) illuminated on the dashboard
- Reduced engine performance
- Engine misfires
- Decreased fuel efficiency
BMW DTC P117A causes
Common causes of the DTC P117A on a BMW include:
- Faulty VVL relay
- Wiring or connection issues in the VVL relay circuit
- Defective VVL solenoid
- Engine control module (ECM) malfunction
BMW DTC P117A seriousness
The DTC P117A should not be ignored as it can lead to engine performance issues and potential damage if left unresolved. It is recommended to address this fault promptly to prevent further complications.
How to diagnose DTC P117A on BMW
To diagnose the DTC P117A 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 relay and associated wiring for any visible damage or corrosion
- Test the VVL relay and solenoid for proper functionality
- Check the ECM for any stored codes or malfunctions
How to fix DTC P117A on BMW
To fix the DTC P117A on a BMW, the following steps may be taken:
- Replace the faulty VVL relay or solenoid
- Repair any damaged wiring or connections in the VVL relay circuit
- If necessary, reprogram or replace the ECM
- Clear the fault code and perform a test drive to ensure the issue is resolved
How to erase DTC P117A on BMW
To erase the DTC P117A on a BMW, the fault code can be cleared using a diagnostic scanner. After the repair has been completed, the mechanic can reset the code, and the Check Engine Light should turn off if the issue has been successfully resolved.
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.