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2003 GMC Envoy SLT 4.2L MIL Lamp on
Hey Guys, I have this 2003 Envoy with a U1000 code that keeps resetting under both PCM & IPC. Vehicle came in and customer stated that MIL light was on but went off on the way over to us. For the P0128 code I'm going to replace the thermostat. The U1000 code i...
Summary posted 6/7/2008
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Related Documents & Media | VIN | 1GKDT13SX3 |
| Engine | 4.2 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0128 | Cooling System Malfunction |
| U1000 | Class 2 Communication Malfunction |
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Vehicle Data
2003 GMC Envoy SLT
| VIN | 1GKDT13SX3 |
| Engine | 4.2 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0128 | Cooling System Malfunction |
| U1000 | Class 2 Communication Malfunction |
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