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1999 Buick Park Avenue Question: Cruise control doesn't work



slammer, 3.8L V6 Supercharged, Dayton, IA, May 28, 2011, 20:11

1999 buick park avenue cruise control does not work. When key is turned on cruise light comes on indicating system is OK. Cruise fuse is good.

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  • Answer #1

    May 30, 2011, 18:36

    The cruise control system could fail due to a malfunctioning brakelight switch (staying on) or a vehicle speed sensor (VSS) problem (intermittent or failed). Check that the brakelights aren't stuck on, that's the easiest thing to check. If the VSS is faulty, I'd think it'd set a diagnostic code and turn on the check engine light, but you haven't mentioned the check engine light.
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