DaBerger

Cruise Control disengaging on 2008 LS460

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146k miles on this vehicle, a few months ago the cruise control started dis-engaging at speed when I went over a significant bump in the road.  This has progressed to where it shuts down on small bumps now.   I can re-start it and it works until next shutdown.

Possibly related, the Cruise Control status light (on the dashboard display) will flash on and off intermittently when at speed  (whether engaged or not I think).      Is this a common issue?   Saw another post that said it might be vacuum related?    Another post said that the brake light fluid might be low and that status indicator might be shutting down the cruise control?

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Could be a bad brake light switch on brake pedal, or maybe it is loose.

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That would be too funny.   just replaced the same switch on my 2008 Denali last month to fix same problem.  Will look into that...thanks...

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Update on this item:   Bought a replacement brake light switch for $20 and installed it in about 15 minutes.   Problem solved.     Thanks for the tip Lenore!

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