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Engine Warning Light & Cruise Control

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IS200 SE Auto

The other day I tried the cruise control for the first time in the car & when switching it off I got a the engine warning light come on in the instrument cluster.

The car still drove completely fine with no concerns.

When I reset the ECU by pulling fuses the light went off & I had no further problems.

I need to try and replicate the fault over the next few days.

Without going to a garage and getting a diagnostic unit plugged in, does anyone have an idea of the source of the problem?

The user handbook seems to suggest a problem with the electronic throttle control.

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