GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2002 🢒 Express 🢒 Engine 🢒 Engine Electrical 🢒 Diagnostic Trouble Code (DTC) List

DTC

Diagnostic Procedure

Module

U1000 and U1255

DTC U1000 and U1255

EBCM, PCM, IRC, VTD, VIM, SDM

U1016

DTC U1001-U1254

SDM, IPC

U1040

DTC U1001-U1254

SDM, PCM

U1088

DTC U1001-U1254

PCM

U1128

DTC U1001-U1254

PCM

U1192

DTC U1001-U1254

PCM

U1193

DTC U1001-U1254

PCM

U1300, U1301, and U1305

DTC U1300, U1301, or U1305

EBCM, PCM, IRC, VTD, VIM, SDM