Two problems related to transmission failure have been reported for the 2004 Nissan Titan. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2004 Nissan Titan based on all problems reported for the 2004 Titan.
Transmission cooler hose leak caused transmission failure. There was a service bulletin on this, but I never saw it or was made aware of it until it happened and I googled it. The spring clamp fail. This should be a recall because something as simple as replacing the 2 spring clamps with screw clamps would save a ruined transmission. Seams to be a big issue and could cause fatality if failure happens on interstate.
Automatic transmission failed in 2004 Nissan Titan se, crew cab, 4x4, 5. 6l v8 at 76,000 miles.