Cruise control not working

Tiny
LUVINTHEHARLEY
  • MEMBER
  • 2004 BUICK RANIER
  • 4WD
  • AUTOMATIC
  • 200,000 MILES
Cruise control stopped working.
Sunday, October 11th, 2020 AT 8:48 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,230 POSTS
Hi,

Has anything other than the cruise control stopped? Have you confirmed that the brake light is not staying on? Is the speedometer working properly?

I attached a pic below of the wiring schematic. There aren't too many things that can cause failure. What I would suggest doing is having the CAN bus system scanned to see if there are error codes related to the cruise control. CAN stands for computer area network. Here is a quick video showing how it's done:

https://youtu.be/InIlnsjOVFA

If the basic things above are all okay, this is what should be done.

Let me know if you have other questions.

Take care,
Joe
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Monday, October 12th, 2020 AT 5:11 PM

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