2004 Toyota Tundra Electrical system Problems

“I have problem with my Toyota 2004 Tundra, that the dealership and another repair garage can't seem to find the problem. When I drive the truck, doesn't matter how long , every once in a while when I stop and turn it off all the electronics goes dead. I can't start the truck because the battery is dead and then somewhere between 15 minute to overnight, ever thing comes back on. No jumping of the battery. Had battery checked, alternator check and other things wiring and every thing is working find. …”

“Started truck, connected small trailer to hitch. I noticed lights on trailer not on got out of truck to plug and unplug connector. Lights came on. Entered truck , put foot on brake to put in gear. The engine revved up and the tach. Was fluctuating between 1000 and 6500 RPM without ever touching the accelerator. I turned the ignition to the off position. Scared to restart, I let it sit for five minutes then started engine. Everything ran normal and I proceeded to drive home. This had never occurred before or since this incident. …”

“Catalytic converter failed at 55,023 miles and was replaced under warranty. The same catalytic converter failed again at 110,000 miles and when I went to a dealer was told that it wasn't under warranty and that I would have to pay $1200.00 for the part alone and labor would be extra. I also told the dealer that the high rear brake light housing was melting from the heat of the lights. They did nothing. The frame is rusting badly and is becoming a safety hazard. I called Toyota customer service and they said there was no recall for any of these items and there was nothing they could do. …”

“Column shifter overdrive on/off switch wire leads in 2004 Toyota Tundra fails or shorts out causing loss of control of overdrive setting on automatic transmission. This can cause downshifting at highway speed or your vehicle to not shift into overdrive causing poor fuel economy problem occurs after so many shift cycles of the column shifter from park to drive cause the wire leads to break from metal fatigue causing the failure or short in the switch my truck started this with about 123,000 miles on it. I found numerous posts on the web detailing the fix on this problem. …”

“Engine would shut off intermittently at any speed, then finally would not start when shut off, dealer replaced fuel pump, same problem happened again in less than 1000 miles, different dealer replaced pump again, same thing happened again within 1000 miles, another dealer replaced wiring harness to pump, in less than 20 miles same thing again, this time the same dealer replaced wiring harness to engine compartment, truck made it back to office, unknown if this fix will work”