2020 RAV4 XLE Malfunction Warning Lights HELP

spjp · Jul 29, 2020

Hello. I recently bought 2020 RAV4 XLE AWD about a month ago. But less than a week into it, when I was getting off a highway (slowing down) and hit a small bump, these bunch of malfunction warning lights came on (the message on the image is only one of them). They are:

Parking Brake System
Pre-Collision System
Brake System
Secondary collision Brake System
Vehicle Stability Control System
Anti-Lock Brake System

But the thing is, after I turn off the engine and turn it back on after a few minutes, those lights are gone. So far, this happened 7 times both on the highway and local (same pattern). So I took it to the dealer and after the diagnostics, they said, they can't do anything because the codes are gone. They think it has to do with ABS system kicking-in at the bump, but not sure.

So I used an OBD reader to read the code when it happened, but the reader couldn't read that particular code. Now, I'm going to try to use Carista when it happens again.

Does anyone have experience with this? If so, do you know the error code(s)?

Vangm25 · Jul 29, 2020

So are the lights gone?

spjp · Jul 29, 2020

Yes, it's gone at the moment. But from time-to-time whenever I hit a small bump while slowing down, the lights come back again.

E the P · Jul 30, 2020

Sounds like some type of wiring problem that is "giggled" when you hit a bump.

dchobo · Aug 1, 2020

Check your battery connections?

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Toyfarm · Aug 25, 2020

I'm sorry. You bought a new vehicle and are having problems with it, you come to an internet forum for a fix? Your vehicle is under warranty, take it to you dealer and get it fixed.

bosip · Aug 26, 2020

If you read his original post the first thing he did was take it the dealer who was no help!

2020 RAV4 XLE Malfunction Warning Lights HELP

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