Pre collision system malfunction

[Bruce]

I have a per collision system malfunction on my 2023 Sequoia Limited. Also, an electronic brake malfunction. Wondering if anyone else has seen this. Took it to the dealer and they had no immediate idea of why. Appointment for more thorough look in two weeks.

I tried the factory reset, but it didn't help. Not sure if it's related, but I had my travel trailer hooked up to it when the warnings appeared. The trailer is brand new and I've towed it before with this rig and didn't have a problem.

 

[Moejhnsn]

I’ve had an issue like that on our 2021 tundra. Turned out a rodent had gotten into the wiring. A short in your system could cause those readings as well.

 

[Bruce]

Thanks for the reply. The issue was resolved by the dealer going through and turning off the warning notice electronically. Also affected was the cruise control and one other thing. They had no explanation. The only thing I can think of is I might have had shore power still hooked up when I plugged my trailer into the Sequoia because the it started the first time I towed the trailer. Haven't had an issue since, but I'm careful to make sure the shore power is unplugged before I hook the trailer up.