2003 GMC Envoy XL SLT 4.2L MIL Lamp on
this vehicle has intermittent problem 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
FIX posted 6/20/2013
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Vehicle Data2003 GMC Envoy XL SLT
Trouble Codes
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Message Closed
Vehicle Data
2003 GMC Envoy XL SLT
VIN | 1GKDT13S43 |
Engine | 4.2 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Intermittently |
Trouble Codes
U1000 | Class 2 Communication Malfunction |