DTC P0647 Cadillac
Air Conditioning (A C) Clutch Relay Control Circuit High Voltage
Air Conditioning (A C) Clutch Relay Control Circuit High Voltage
Description
The ignition voltage is between 9.0-18.0 volts. The engine speed is more than 80 RPM. The ECM driver transitions from ON to OFF or from OFF to ON.
Video Guide
Diagnostic Info
- DTC Code: P0647
- Brand: Cadillac