GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2003 🢒 Envoy - 4WD 🢒 Body and Accessories 🢒 Cellular Communication 🢒 Diagnostic Trouble Code (DTC) List

DTC

Diagnostic Procedure

Module(s)

B2455

DTC B2455

OnStar® VCIM

B2470

DTC B2470

OnStar® VCIM

B2476

DTC B2476

OnStar® VCIM

B2482

DTC B2482

OnStar® VCIM

B2483 or B2484

DTC B2483 or B2484

OnStar® VCIM

U1500

DTC U1500

OnStar® VCIM