Having problems with your 2002 GMC Yukon Denali ?

Keyless remote wont work, vehicle completely shut down

\015 2002 GMC yukon denali. I stopped on a trip locked vehicle with remote came back to vehicle unlocked vehicle with remote walked away from car came back put keys in ignition to start vehicle complete shut down no power to anything no lights no keyless remote car complete computer shut down nothing works\015 Posted / edited by AnonymousUser on : 25-10-2021

Answers :

Hi Russell,

Absolutely no power? No dome light? No head lights? Nothing?
When you step on the brake pedal, no brake lights?

If true, start at the source and pop the hood.

This is going to be a bit of back and forth dialogue. I'll ask some questions and you get me the answers. That way we can get to the root of the problem. To save time, I'll ask multiple questions at a time. Here goes.

  • Check the battery. Is it still there? (Valid question with no evidence of power)
  • \015\012
  • Are the terminal clamps tight?
  • \015\012
  • Are the terminals clean and free of corrosion?
  • \015\012
  • Are all the belts in place and tight? (pay special attention to alternator)
  • \015\012
  • If you have a voltmeter. test the voltage at the battery terminals. It should be +12.5VDC.
Try getting a jump, when the cables are attached does anything light up?
Does it turn over and start?
Does it do anything?

Comment me back with your findings
Can you get inside to Open the Hood? You are gonna need a New Battery.
Repair Help & Product Troubleshooting for 2002 GMC Yukon Denali

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