Diagnostic Trouble Code (DTC) List for Chevrolet Chevrolet C-Series Medium Duty Truck B7 2002

DTC	Diagnostic Procedure	Module
U1000 and U1255	DTC U1000 and U1255	TCM, PCM
U1016	DTC U1001-U1254	PCM
U1026	DTC U1001-U1254	TCM
U1300, U1301, and U1305	DTC U1300, U1301, or U1305	TCM, PCM