DTC P0685 Cadillac
Engine Controls Ignition Relay Control Circuit
Engine Controls Ignition Relay Control Circuit
Description
P0685 The ignition is ON. Ignition 1 signal voltage is between 11-32 V. DTC P0685 runs continuously when the above conditions are met.
Video Guide
Diagnostic Info
- DTC Code: P0685
- Brand: Cadillac