DTC P1361 - IGNITION CONTROL CIRCUIT LOW VOLTAGE GMC Envoy I

Note. For circuit reference, see WIRING DIAGRAMS - 4.3L article.

Circuit Description

Crankshaft Position (CKP) sensor provides VCM with reference pulse input. VCM uses CKP input to determine ignition spark timing for each cylinder. Once VCM calculates ignition timing, it sends a signal to ignition coil module on Ignition Control (IC) circuit.

Conditions for setting DTC

1. EST enabled.
2. Engine speed less than 250 RPM.