One problem related to automatic transmission control module has been reported for the 2004 Chevrolet Suburban. The most recently reported issues are listed below.
: the contact stated while driving at speeds between 5 and 45 mph the vehicle stalled on 6 occasions. The vehicle would not restart and had to be towed to the dealer each time. This problem started in August 2005. On 5 occasions the dealer could not duplicate the problem however; adjustments were made to the vehicle. On the sixth occasion the dealer replaced the pcm module.