P1864 — Volkswagen — Data Bus Powertrain Missing Message From ADR Control Module

P1864 (Volkswagen): Data Bus Powertrain Missing Message From ADR Control Module — what it means, the affected system and what to check before replacing parts.

Meaning, symptoms, causes and checks

Data Bus Powertrain Missing Message From ADR Control Module. Source catalogue definition; confirm applicability using vehicle service information.

Affected system: Powertrain