Conditions for Running the DTC
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
P0685
- The ignition is ON.
- The battery voltage is between 9-16 volts.
P0689
- The ignition is ON.
- The powertrain relay is commanded ON.
- DTC P0685 is not set.
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.