Four problems related to automatic transmission have been reported for the 2003 GMC Yukon. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2003 GMC Yukon based on all problems reported for the 2003 Yukon.
The contact owns a 2003 GMC Yukon denali. The contact stated that everytime he activated his left turn signal, the hazard warning lights would illuminate. Secondly, the gauges on the instrument control panel were inoperative. Thirdly, the battery constantly failed without warning. Lastly, when switching gears on the vehicle, the contact heard a loud knocking noise. He took the vehicle to the dealer on numerous occasions and a technician replaced the battery and alternator twice, and the entire instrument control panel as well. Even after all of the repairs were made, the electrical failures still persist. The manufacturer did not provide any assistance. The failure mileage was 33,000 and current mileage was 47,400.
2003 GMC Yukon awd w/ stabilitrak. 40,000 mi. : when accelerating from a stop, the "traction active" dash display will very often come on, the powertrain disengages and I have to let up on gas until transmission re-engages. This has been occurring since September, numerous times a day. I have almost been rear-ended, since the drivers behind me presuppose I will continue accelerating. A gm dealer, after exam & diagnostics, could find no problem, even after being advised about possible "wheel corrosion. " in the meantime of course, it continues. An entry in edmunds "car space" has referred me to "document id#1819672 202 GMC truck GMC k sierra 4wd; subject: product safety - front wheel speed sensor corrosion #05068b - (04/21/2006). This seems to be a dangerous, serious problem which should merit a recall.
The vehicle had been placed in park with the engine running in which the consumer exited the vehicle. The consumer had gone to the back of the vehicle to the cargo door but the vehicle begun to move forward and crashed into the house. The transmission was in park the entire time.
Consumer states transmission can be shifted from park without foot being applied to the brake. Contrary to information existing in the owner's manual consumer's 2 year old child changed gear from park causing a collision that resulted in major damage to the vehicle. Vehicle was parked for thirty minutes before the child inserted the key and turned it to accessory and was able to shift gears. The vehicle struck several trees and two fences. The air bags didn't deploy. The police were notified but no report was filed.