Conditions for Setting the DTC: Notes
WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. 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.