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When there is a failure that sets the check engine light, the vehicle responds by going into a limp mode. This means traction control and ETS are automatically turned off for safety and to prevent further problems with the vehicle.

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โˆ™ 2006-01-16 00:14:50
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Q: Why would the 'check engine' light and 'ETS off' light turn on at the same time on a '97 Olds Achieva when the ETS system is on?
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