P1780 — Buick — Park/Neutral Postion (PNP) Switch Circuit Engine Torque Signal Circuit

P1780 (Buick): Park/Neutral Postion (PNP) Switch Circuit Engine Torque Signal Ci… — what it means, the affected system and what to check before replacing parts.

Meaning, symptoms, causes and checks

Park/Neutral Postion (PNP) Switch Circuit Engine Torque Signal Circuit. Source catalogue definition; confirm applicability using vehicle service information.

Affected system: Powertrain