Cellular Communication DTCS

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2002 GMC Sierra, 2002 GMC Cab & Chassis Sierra, 2002 GMC C3500 HD, 2002 Chevrolet Silverado, and 2002 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

CELLULAR COMMUNICATION DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC	Description
DTC B2462	VIU Does Not Detect A Navigation Signal
DTC B2476	Keypad Signal Circuit Voltage To VIU Is Low
DTC U1500	VIU To VCU Communication Error