P1618 — Volkswagen — Glow Plug Heater Relay Circuit Short To B+

P1618 (Volkswagen): Glow Plug Heater Relay Circuit Short To B+ — what it means, the affected system and what to check before replacing parts.

Meaning, symptoms, causes and checks

Glow Plug Heater Relay Circuit Short To B+. Source catalogue definition; confirm applicability using vehicle service information.

Affected system: Powertrain