Question about GMC Yukon Denali

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I have a 2008 GMC Yukon XL Denali. I hit a small snow drift yesterday and now my speedometer stopped working, my RPMS are bouncing, oil pressure is bouncing, temp is bouncing and vehicle wont shift out of 1st gear. ABS light is on, servce engine and all electronics are acting strange. What is wrong?

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  • 131 Answers

Vehicle speed sensor, wheel speed sensor, your VSS operates you MPH and tells the trans how fast you are going and when to shift, it is telling the trans that your not moving so why would it shift? Next your ABS wheel speed sensor tell the car what wheel is moving at what speed to activate traction control and abs systems both are very sensitive and easy to break

Posted on Dec 29, 2013

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Posted on Jan 02, 2017

  • 94 Answers

SOURCE: 2005 gmc yukon xl denali service ride control

it has to do with your air ride suspension best bet is take it to the dealer there is probably a problem with a level sensor. hope this helps you

Posted on Mar 16, 2009

  • 14036 Answers

SOURCE: What the normal transmission temp Yukon Denali XL 2008

TRANSMISSION FLUID NORMAL TEMPERATURE IS 200 DEGREES.

Posted on Sep 28, 2009

  • 11060 Answers

SOURCE: gmc yukon has the abs & parking brake light

you have to fix the problem with ur brakes- first check the wiring ,connectors and connection clips to the abs sensors and modulator if looks ok than have truck scanned some auto stores such as auto zone / advanced auto do it for free the code will give u a start point towards fixing ur problem--visual inspection of brakes doesnt always show problem

Posted on Nov 26, 2009

  • 6 Answers

SOURCE: HOW DO I RESET THE CHANGE OIL LIGHT ONCE THE OIL

look in the manual......turn the ignition to the on position not starting it of course and then pump the gas petal 5 times then the light will blink a few times turn off then back on...problem solved

Posted on Mar 09, 2010

  • 37 Answers

SOURCE: Speedometer not working properly

There was not a recall, but there was a class action settlement where GM agreed to extend the warranty on certain vehicles for this problem. Check www.gmspeedometerrecall.com to see if you qualify.

Posted on Mar 16, 2010

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