Conditions for Setting 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.
- Voltage at the TDM B+ circuit is between 6-9 volts.
- Reported battery voltage received via serial data is valid and is greater than 9 volts.
- The above conditions have been met for 2 seconds.