I have 2002 Yukon xl my transmission act up because I was being driving with no fluid it's full now but it's the solenoid that are bad it's not down shifting so I can drive but I would can drive in 1 gear at around 2000 to 2500 rpm for 8 miles without cause any more damage
RepairPal Certified shops can diagnose and repair your 2002 GMC Yukon XL 1500. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.