DTC P0690 Cadillac
Engine Controls Ignition Relay Feedback Circuit High Voltage
Engine Controls Ignition Relay Feedback Circuit High Voltage
Description
P0690 P0685 is not set. The powertrain relay is commanded on. DTC P0690 runs continuously when the above conditions are met.
Cause and Solution
The ECM detects the engine controls ignition relay feedback circuit is greater than 2 V when the relay is commanded OFF.
The ECM detects the engine controls ignition relay feedback circuit is greater than 18 V when the relay is commanded ON.
Video Guide
Diagnostic Info
- DTC Code: P0690
- Brand: Cadillac