P1647 Opel Engine Speed Signal Circuit Problem

Tech description

There are seven (7) codes listed on the service manual for the P1647 Opel code. Try reseting the code first, and if the code comes back, check fuses and the Engine Control Module (ECM) connector.

P1647 Opel Description

P1647 Opel – Power Command Signal Circuit Low Input

P1647 Opel – Power Command Signal Circuit High Input

P1647 Opel – Engine Torque Signal Circuit Low Input

P1647 Opel – Engine Torque Signal Circuit High Input

P1647 Opel – Mode Signal Circuit 1 Low Input

P1647 Opel – Mode Signal Circuit 1 High Input

P1647 Opel – Mode Signal Circuit 2 Problem