Service Engine Light On problems of the 2000 GMC Suburban

2000 Suburban's malfunctioning computer warning lights were replaced per recall. The check engine light illuminated and the vehicle was taken to the dealer. Consumer was told that he computer need to be replaced. ***** the dealer informed the consumer that the necessary parts to perform the recall would not be available until November 2005. In November 2005 the vehicle was taken to the dealer and they claimed that they fixed the vehicle. . After recall repairs the service engine light illuminated. The vehicle was taken back to the dealer in early February 2006 and the technician indicated that the computer had to be replaced. The consumer agreed to the repair but after the vehicle was picked up from being repaired the engine light illuminated again.