P1647 Cadillac Engine Speed Signal Circuit Problem
Tech description
There are seven (7) codes listed on the service manual for the P1647 Cadillac code. Try reseting the code first, and if the code comes back, check fuses and the Engine Control Module (ECM) connector.
P1647 Cadillac Description
P1647 Cadillac – Power Command Signal Circuit Low Input
P1647 Cadillac – Power Command Signal Circuit High Input
P1647 Cadillac – Engine Torque Signal Circuit Low Input
P1647 Cadillac – Engine Torque Signal Circuit High Input
P1647 Cadillac – Mode Signal Circuit 1 Low Input
P1647 Cadillac – Mode Signal Circuit 1 High Input
P1647 Cadillac – Mode Signal Circuit 2 Problem
Cadillac Vehicle:Cadillac CTS Coupe, Cadillac CTS-V Coupe , Cadillac Eldorado , Cadillac Escalade EXT , Cadillac ATS , Cadillac CTS , Cadillac CTS Sedan , Cadillac CTS Sport Sedan , Cadillac CTS-V , Cadillac CTS-V Sedan , Cadillac Catera , Cadillac DTS , Cadillac DeVille , Cadillac STS-V , Cadillac STS , Cadillac Seville , Cadillac XTS , Cadillac XLR , Cadillac XLR Platinum , Cadillac Escalade , Cadillac SRX