Toyota Tundra Battery Drain

After one hr drive tested it shows 450cca and the battery tester says replace battery.

Toyota tundra battery drain. 2013 Toyota Tundra Grade Double Cab 46L-Maintenance Repair Crossed battery cables 3 Answers. Doesnt happen evey night and sometimes goes for 3 or 4 weeks before going dead. The check engine light came on once but went off after driving a little while I seem to remember I went to the gas station were it remained on until I pulled the keys and then started it up again.

Each battery lasts between 6 months to a year. Old battery had this problem and I attributed it to a bad battery. Ive been chasing a battery drain for almost six months now.

How to do a parasitic draw t. I have a sub and amp hooked up but I did some testing and took them out for around a year and the battery still died. Toyota should have done this the first time you had it in.

Charging off load and onload fine. If it seems high start pulling fuses to see what circuit is causing it. Toyota tundra weird electrical problem draining battery while I sleep 2004 Toyota Tundra runs and cranks great but when left overnight wont turn over and i have to jump it.

He disconnected some aftermarket. I have pulled every fuse one at a. Discussion in 1st Gen Tundras 2000-2006 started by SouthPaw May 31 2021.

Battery is draining overnight not every night just sporadically. I would start with a new battery and also measure the current drain on the battery. Ive had the battery and alternator tested multiples times and both always test good.