Looongtime TTAC commentator PrincipalDan writes:

I recently had an experience with CEL (check engine light) and VSC light (vehicle skid control) that left me scratching my head: I was on my way into Gallup (30 mile drive) and as I was getting up to speed on the highway the CEL and VSC came on at the same time. I know the CEL can be triggered by a dozen different things but seeing a constantly lit VSC was a new experience.

The vehicle (2010 Toyota Highlander) drove perfectly normally and I went on to my destination. I consulted the forums and they said the CEL would AUTOMATICALLY trigger the VSC light and that the VSC would basically be shut off by the triggering of a CEL. Dafuq!?!?!? Really Toyota?

A CEL (which could be triggered by something like an improperly tightened gas cap) will shut down one of the key components of the safety systems of the car? What’s the logic behind this? More lights means the average American is more likely to go to the dealer and get it checked out? Do all of the manufactures do this now?

BTW, my lights were triggered by a bad gas cap. Couldn’t get it to “click” anymore so I replaced — lights went away and problem solved.

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