Cruise control not working, light is on, but does no engage

2006 BUICK RENDEZVOUS
100,600 MILES • 6 CYL • 4WD • AUTOMATIC
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ROSEMARY GOHEEN
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As above, have had the following repairs made: TAC module had no signal to cruise control - replaced module/throttle body, cleared codes. Worked once on test drive, but did not work after that. Was told the ECM needed to be replaced, did that and it still would not work. These were done at a reputable service department at a dealership, so I am assuming they did check the fuses/relays. I have spent lots of money to repair this car and it is not happening.
Sep 9, 2018 at 7:24 AM
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STRAILER
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I have seen this problem before, the clock spring behind the steering wheel has an intermittent short circuit. Here is a guide to help you see what you are in for when doing the job plus diagrams below to show you how it will be for your car:

https://www.2carpros.com/articles/steering-wheel-clock-spring-removal

You will need to remove the airbag and steering wheel.

Check out the diagrams (below). Please let us know what happens.

Cheers, Ken
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Sep 10, 2018 at 1:03 PM
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ROSEMARY GOHEEN
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Will forward this on to the mechanic that is going to work on it and let you know what happens.

Thanks for your fast and interesting answer.
Sep 10, 2018 at 5:28 PM
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STRAILER
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You are welcome please let us know what happens. :)
Sep 11, 2018 at 12:03 PM
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ROSEMARY GOHEEN
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Got my car back today and was told it was a wiring issue. I believe it was tied into the two other errors I got a couple of days later that said my anti lock brakes and AWD were not working. At least they did not have to pull the steering wheel to get all this fixed.
Sep 26, 2018 at 9:55 AM
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STRAILER
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Good you got it fixed can you tell me what it cost? More specific on where the wiring issue was would be good so it can help others.
Sep 26, 2018 at 10:43 AM
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ROSEMARY GOHEEN
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The problem with the cruise control was the wiring on the transmission speed control sensor. There were several "intelligent" people checking into this. The total cost was $365.00, but that also included the cost of repairing the wiring to the AWD and the anti lock brakes that the squirrels "dinned" on. It took several days worth of being without a car, but it sure beat the cost of replacing a unneeded computer and the several trips and cost I already made to the dealership.
Sep 27, 2018 at 8:33 AM
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STRAILER
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Oh yes, squirrels lol. They cause a lot of trouble by eating wiring. Glad you got it fixed and for following up. Use 2CarPros anytime, we are here to help. Please tell a friend.

Cheers, Ken
Sep 27, 2018 at 10:32 AM