Underhood: Understanding Audi’s Valve Lift System
The code might set again when the engine is cranked. This video is sponsored by Auto Value and Bumper to Bumper.
If you replaced the ECM or crankshaft position sensor, a new code for the crankshaft position sensor called P0315 might be set. You might be able to clear the code with a scan tool, but it might set again when the engine is cranked.