Hello guys…
Am in the middle of a road trip and have had 3 batteries drain on me, lost power while driving on an incline, and had the battery light turn on and remain on. I’ve also seen the ABS, TRAC control, battery light, and emergency brake light come on and off intermittently.
From my minimal research, it could be the wheel speed sensor or ECU issue??
If anyone has had experience with this, I would really appreciate any help. Thanks 
The most likely culprit for your issues is a failing alternator. This component charges the battery while the engine is running. If it’s not working correctly, the battery will drain, and you’ll experience power loss and various warning lights.
I have been having some frustrating electrical issues with my 2012 Toyota Tacoma. The radio has been acting up - sometimes it won’t turn on at all, other times it won’t turn off, and occasionally even the steering wheel controls are affected. I’ve also noticed my headlights dimming and some of the electronic accessories acting sluggish or not working properly. To top it off, my check engine light keeps turning on, which is concerning. I suspect there may be a problem with my battery, alternator, or starter since it’s been hard to start the truck sometimes. I’m worried there could be a short or wiring issue causing blown fuses and a burning plastic smell. I need to get this checked out by a Toyota technician before it turns into a bigger, more expensive problem. Hopefully, they can diagnose the root cause and get my Tacoma’s electrical system back in working order.
It seems I’m not getting any specific search results related to electronics issues for a 2012 Tacoma. However, I can share some general insights based on what I know. If I’m facing electronics issues with my 2012 Toyota Tacoma, common problems might include issues with the radio, dashboard lights, or power windows. A frequent culprit for these problems could be a blown fuse, so checking the fuse box is a good first step. I should also consider inspecting the battery and connections, as corrosion or a weak battery can lead to various electrical issues. If the problems persist, it might be wise to consult a professional mechanic who can run a diagnostic test to pinpoint the exact issue. Overall, staying proactive about maintenance and addressing minor issues early can help prevent bigger problems down the road.