Question about 2008 GMC Yukon XL

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2008 GMC CRUISE CONTROL PROBLEM

HAVE REPLACED THE THE BRAKE SWITCH AND STILL ONLY WORKS PART OF THE TIME.

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

mrgreenz
  • 962 Answers

SOURCE: 2007 GMC Yukon Cruise Control

Check the speed sensor. Look up the location at autozone .com or google. It is either near the tranny or at the passenger side wheel. The speed sensor is almost always connected to cruise control problems.

Posted on Dec 16, 2009

  • 314 Answers

SOURCE: my 1984 gmc vandura full size fan

Check to see that the vaccum hose is on from the carb to the cruise unit. Most common prob. Frankster016

Posted on Oct 23, 2008

  • 99 Answers

SOURCE: 2002 YUKON XL Denali no brake lights or cruise

FROM LUSTY KID:

Check your bulbs first, I have lost both headlights on my ford at once on account of the bulbs burning out at the same time. Same thing probably happen, you have one filament out. The lights can work, but if the filament for brake is burnt, you don't see brake lights.

As for the cruise control. Check fuse box first. If OK check vacuum hose to actuator in engine compartment for starters.
Advise:

Posted on Dec 02, 2008

  • 328 Answers

SOURCE: cruise control wont work

normally the brake switch is the issue with these trucks. it is located under the dash where the brake pedal meets the linkage to the brake booster.

Posted on Feb 16, 2009

  • 432 Answers

SOURCE: 1990 GMC Sierra 1500 pickup. Windshield wipers, Cruise Control

May want to look at replacing the wiper circuit board.It is located on the firewall adjacent to the wiper motor and has a some what square black cover with 3 torx screws and wireing harness pluged into the side.We had a truck that every time you washed it the wipers would stay on until it dryed out.You can try removing it and spaying it down with contact cleaner just watch the brease on the two contact tips.Well hope this helps.

Posted on Feb 05, 2010

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Check codes next. Quit replacing good parts. Takes a scanner to check cruise control.

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The most common problem is brake light switch, assuming all other items are ok.

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I just got the perfect answer to this yesterday. It's a $5 fix! Check your brake lights. If any of them are out, it will make the cruise control not function. Turns out all 4 of the 3rd set of brake lights were out. We replaced the 4 of them and the cruise control immediately became functional again. I got this tip from a gentleman in the service department at a local Chevy dealer.

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check the brake switch on the upper arm of the brake pedal, if its bad your cruise control won't work because the truck thinks your pushing the brake pedal. I had the same problem in mine, it's a $30 part that takes about a half hour to fix

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If the switch is replaced,then it can be wiring issue or faulty cruise control board.But as the switch is replaced,get the voltage at the switch tested to confirm the switch is actually receiving voltage.If no voltage received at switch power supply wire then ,apply external 12 volt power to the cruise control switch wire and then see if cruise control comes ON.If yes,then you know wiring is issue.
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On this case, to troubleshoot this problem, there are solved help links. Click the link directly and refer the details to solve this problem yourself, with help of diagrams: ------

Ford ranger cruise control not working? http://technoanswers.blogspot.in/2012/02/ford-ranger-cruise-control-not-working.html

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http://howtobyme.blogspot.com/2011/11/horn-and-cruise-control-quit-working.html

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http://howtobyme.blogspot.com/2011/11/horn-and-cruise-control-not-working-on.html

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http://whoisbyme.blogspot.in/2012/07/cruise-control-stops-workingexcessive.html

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http://schematicsdiagram.blogspot.com/2011/12/cruise-control-not-working.html

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1996 Ford Explorer: Cruise Control Wiring Diagram?

http://schematicsdiagram.blogspot.in/2012/06/1996-ford-explorer-cruise-control.html

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These will help.

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1 Answer

My 2007 saturn sky brake lights stay on and cruise doesnt work


The brake light switch, located on the brake padal assembly, is and input to the cruise control module. When the switch fails keeping the lights on is makes the cruise control module think you are applying the brakes when infact you are not. Chek the switch wiring for damage and if ok replace the switch making sure you adjust it properly.

Jul 08, 2012 | 2008 Saturn Sky

1 Answer

The cruise control light flashes and can not be activated


CHECK TO SEE IF BRAKE LIGHT WORKING.BECAUSE BRAKE LIGHT SWITCH DEACTIVATE CRUISE CONTROL WHEN BRAKES APPLIED.MOST TIME IF YOU HAVE CRUISE CONTROL PROBLEMS FAULTY BRAKE LIGHT WILL CAUSE CRUISE CONTROL PROBLEMS.

Dec 08, 2010 | 2008 Subaru Outback

2 Answers

I own a 2005 GMC Canyon Five CYL and the cruise control stopped working last niight. You push the button and no cruise. I checked the fuse and it is ok I exchanged with another 10AMP and no change still...


Start with the simple and check the fuses and the Stop lamp switch. Check your brake lights, if they're not working, the cruise won't work either. If they're not working, check the fuse for them, if the fuse is fine, then take it into the dealer, there's been a recall issued on the brake switch, so it should get fixed for free.
Cruise Control Disengaged
The powertrain control module (PCM) disengages the cruise control operation based on the signals from the following switches:

* The stop lamp switch
* The TCC brake/cruise release switch
* The clutch release switch, if equipped
* The cruise control On/Off switch

The TCC brake/cruise release switch and the stop lamp switch are mounted on the brake pedal bracket. When the brake pedal is applied, the normally closed TCC brake/cruise release switch opens and the normally open stop lamp switch closes. The PCM detects a low signal voltage on the TCC brake/cruise release switch signal circuit and a high signal voltage on the stop lamp switch signal circuit. When the clutch pedal is applied, the normally closed clutch release switch opens and the PCM detects zero voltage on the CCP switch signal circuit. The vehicle speed stored in the memory of the PCM will be erased when the cruise control On/Off button is turned OFF, or the ignition switch is turned OFF.

The Cruise Control System will disengage when the PCM detects that a driver override function has been active for approximately 60 seconds .

When the Cruise Control System is disengaged, the PCM sends a class 2 message to the instrument panel cluster (IPC) in order to deactivate the cruise control indicator.

Cruise Control Inhibited
The powertrain control module (PCM) inhibits the cruise control operation when any of the following conditions exist:

* A cruise control related DTC has been set.
* The vehicle speed is less than 40.2 km/h (25 mph) .
* The vehicle is in PARK, REVERSE, NEUTRAL, or 1st gear.
* The engine RPM is too low.
* The engine RPM is too high, with fuel cut off.
* The vehicle speed is too high, with fuel cut off.
* The system voltage is not between 9 volts and 16 volts .
* The Traction Control System (TCS) is active for more than 2 seconds .

Thank you for using Fixya and start with replacing the stop lamp switch. Even though the brake light work, it;s been known for that switch to cause your issue. that's way there was a recall for it.

Apr 01, 2010 | 2005 GMC Canyon

1 Answer

Cruise control wont work


normally the brake switch is the issue with these trucks. it is located under the dash where the brake pedal meets the linkage to the brake booster.

Jan 04, 2009 | 1997 GMC Sierra

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