Conditions for Running the DTC
WARNING: This page is about a different car, the 2012 GMC Yukon, 2012 Chevrolet Tahoe, and 2012 Cadillac Escalade. However, it is still accessible from the selected car via links, so may be relevant.
P0685
- The ignition is ON.
- Ignition 1 signal voltage is between 11-32 V.
- DTC P0685 runs continuously when the above conditions are met.
P0690
- P0685 is not set.
- The powertrain relay is commanded on.
- DTC P0690 runs continuously when the above conditions are met.
P1682
- The powertrain relay is commanded on.
- Ignition 1 Signal voltage is greater than 5.5 V.
- DTC P1682 runs continuously when the above conditions are met.