P3401 (Audi): Engine oil level is too low, Powertrain Control Module (PCM) failu… — what it means, the affected system and what to check before replacing parts.
Engine oil level is too low, Powertrain Control Module (PCM) failure, Variable valve timing solenoid failure, Wiring issue. Source catalogue definition; confirm applicability using vehicle service information.
Affected system: Powertrain