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Home >> GMC >> 2002 >> Envoy RWD >> Repair and Diagnosis >> Quick Lookups >> DTC Index >> Data Link Communication System DTCS

Data Link Communication System DTCS

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DATA LINK COMMUNICATION DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC Description
DTC U1000 and U1255 Critical Operating Parameter Has Not Been Associated
DTC U1001-U1254 Module U1XXX Communication
DTC U1300, U1301, or U1305 Class 2 Serial Data Circuit