B0083 00, B0084 00, B0085 00, B0086 00, B0087 00, B0088 00

WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

The front end sensor has been shorted to voltage, open, or shorted to ground.
The front end sensor current has been above 23 mA for longer than 5 milliseconds.
The SDM has not received a message from the front end sensor for more than 375 milliseconds.