Question about 2001 GMC Yukon
Most likely the speed sensor.
It is screwed into the side of the transmission.
$24 at AutoZone
If you have an aftermarket alarm or remote start - the speed sensor wire may have become damaged with an improper installation.
Please accept this answer to remove it from the work queue.
Posted on Jul 12, 2009
Save hours of searching online or wasting money on unnecessary repairs by talking to a 6YA Expert who can help you resolve this issue over the phone in a minute or two.
Best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
Here's a link to this great service
Posted on Jan 02, 2017
Tips for a great answer:
Sep 10, 2012 | 2001 Ford Focus
Feb 05, 2011 | 2001 GMC Yukon XL
May 20, 2010 | 2001 GMC Yukon XL
Feb 28, 2010 | 1988 Ford Ranger
May 19, 2009 | 2001 GMC Yukon
May 18, 2008 | 2001 GMC Denali
43 people viewed this question
Usually answered in minutes!
Step 2: Please assign your manual to a product: