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The GMT800 Silverado/Sierra 1500 and 2500 (non Heavy Duty) (light pickup trucks) were released in 1998 as 1999 models.

Cruise control not working, 2006 Duramax

Cruise control not working,,what can I check ?

On a 2006 Duramax,,

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Are we by any chance talking about the *cruise control* not working? 'Cause curses aren't really our bailiwick; you might want to ask a Wiccan about that.

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Hi @danny69590

What is the year, model (1500, 2500, 3500) and engine size (4.3L, 4.8L, 5.3L, 6.0L 6.6L, 8.1L) of the vehicle?

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Quick question. Is your ABS or traction control light on the dash lit up?

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No lights on dash,

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No dash lights then most likely culprit is faulty brake light switch. Could also be blown fuse or broken wires in dash but those are rear compared to brake light switch that is a box attached to the brake. Contacts wear out and don't contact as they should. Replace the switch. Still doesn't work check fuses and if that doesn't work get ready for everyone's favorite game "Find That Short" in the steering column. I hope it not that. Good luck.

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Hi @danny69590

Here's a link to the relevant section in the service manual for your vehicle that may help in finding out what the problem is

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@danny69590

Get the OBDII port scanned with a scantool to check if any DTC codes have been logged.

If there is a code and it is applicable to the cruise control feature, the code will tell you what the problem is.

Larger retail auto parts chains in the USA e.g. AutoZone, PepBoys, O'Reilleys etc will do this for free apparently

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