P1378 — Volkswagen — Cylinder 8 Ignition Circuit Short To Ground

P1378 (Volkswagen): Cylinder 8 Ignition Circuit Short To Ground — what it means, the affected system and what to check before replacing parts.

Meaning, symptoms, causes and checks

Cylinder 8 Ignition Circuit Short To Ground. Source catalogue definition; confirm applicability using vehicle service information.

Affected system: Powertrain