My ETS light came on earlier this week. Cruise quit working but brake lights still worked. Turned out to be the brake light switch (after only 184,300 miles). (FWIW the NC side was fine but the NO side was stuck open.) Back to normal now. Thanks to all who posted this great DIY.

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Lenny

There are only three sports: bullfighting, motor racing and mountaineering; all the rest are merely games. --Ernest Hemingway

'10 GL550/'04 BMW 545/'99 BMW 323/'98 ML320/'87 VW GTI (race)