Conditions for Running the DTC
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2007 GMC Yukon XL, 2007 GMC Yukon, 2007 Chevrolet Tahoe, 2007 Chevrolet Suburban, and 2007 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
DTC P0685
- The ignition is ON.
- The battery voltage is between 9-16 volts.
DTC P0689
- The ignition is ON.
- The powertrain relay is commanded ON.
- DTC P0685 is not set.
DTC P0690
- This DTC will run with the ignition ON or OFF.
- This DTC will run when the powertrain relay is commanded ON or OFF.
- DTC P0685 is not set.