U1000 Diagnostic Trouble Code Discussion for May 2013
Class 2 Communication Malfunction
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| 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 |
