P1620 — Volkswagen — Engine Coolant Temperature Signal Open Short To B+

P1620 (Volkswagen): Engine Coolant Temperature Signal Open Short To B+ — what it means, the affected system and what to check before replacing parts.

Meaning, symptoms, causes and checks

Engine Coolant Temperature Signal Open Short To B+. Source catalogue definition; confirm applicability using vehicle service information.

Affected system: Powertrain