P0942 — Audi — Hydraulic power unit assembly failure, Transmission Control Module (TCM) failure, Wiring issue

P0942 (Audi): Hydraulic power unit assembly failure, Transmission Control Module… — what it means, the affected system and what to check before replacing parts.

Meaning, symptoms, causes and checks

Hydraulic power unit assembly failure, Transmission Control Module (TCM) failure, Wiring issue. Source catalogue definition; confirm applicability using vehicle service information.

Affected system: Powertrain