Conditions for Setting the DTC: Notes
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.
B0085 00 or B0086 00
- The SIS has been shorted to voltage, open or shorted to ground.
- The SIS current has been above 23 mA for longer than 5 milliseconds.
- The SDM has not received a message from the SIS for more than 375 milliseconds.
B0085 39 or B0086 39
- The SDM has received a NOK message from the SIS.
- The SDM has not received a message.