One problem related to ignition has been reported for the 2003 Toyota Tundra. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2003 Toyota Tundra based on all problems reported for the 2003 Tundra.
Vehicle was traveling about 35mph and while making a left turn, without prior warning, vehicle shut off.
| Wiring problems | |
| Horn Assembly problems | |
| Battery problems | |
| Electrical System problems | |
| Ignition problems |