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U1000 Diagnostic Trouble Code Discussion for May 2013

Class 2 Communication Malfunction


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Trouble Ticket Help Requests for DTC U1000
Help Request Posted
2003 GMC Envoy XL SLT 4.2L MIL Lamp on VIN: 1GKDT13S43
U1000: . ... reduced power lite comes on no odometer or park position lites on dash no communication with transfer case had multiple codes u1000 state of health message trottle body codes coolant temp below operating treshhold
May 08, 2013
2003 GMC Envoy XL SLT 4.2L MIL Lamp on VIN: 1GKDT13S43
U1000: . ... reduced power lite comes on no odometer or park position lites on dash no communication with transfer case had multiple codes u1000 state of health message trottle body codes coolant temp below operating treshhold
May 08, 2013