Table 1 shows two common visibility related problems of the 2007 GMC Sierra.
| Problem Category | Number of Problems |
|---|---|
| Windshield Wiper/washer problems | |
| Defogger problems |
The contact owns 2007 GMC Sierra. The automatic windshield wipers engage without warrant and sprayed water onto the windshield. As a consequence his visibility was impaired. He has to restart the engine to turn off the windshield wipers. A technician from the dealer replaced the windshield wiper sensors. The technician also added that in year 1995 there was an identical failure with this model type. The circuit breaker had to be replaced to remedy the failure. He contacted the manufacturer, and was referred to the dealer. He will have to assume financial responsibility for the repairs. The failure mileage was 25,000. The current mileage was 51,000.
Hvac system became operational with the ignition turned off for an unknown period of time while the truck was parked in the garage. Relay resistor module overheated causing melting of the resistor and circuit board. Truck cabin and vicinity around the truck had a strong smell of burning plastic. Truck cabin filled with smoke. Was only able to turn off the hvac system and stop the burning by disconnecting the wiring harness. Dealer had to replace the blower motor, resistor, module connector and relay. Burning could have caused the entire vehicle to catch fire causing significant damage to other vehicles parked nearby and the house in which the garage was attached. Issue was identical to scenario described in transport canada recall #2011074.