I have a 07 yukon slt. And I've had this ongoing issue of she just takes a break. The truck with throw the code on the dash, stabilitrac fault and go into a limp mode. On a scanner pops up throttle body fault, had that replaced. Had the alternator because it was over powing the battery thats also been replaced. And im honestly at a loss. Because it will go limp with the same codes multiple times a trip most times and its unsafe going 80. Does have aftermarket wheels and tires that were on for 4 years no issue before now. Im asking is has anyone had this issue, what did you do to fix it. What are some speculations and ideas of what it could be. Im thinking electrical at this point. But maybe a bad sensor is messing it up. I don't know. I want my baby fixed. Thanks all!
Ongoing issue with limp mode
- Thread starter yukonboi
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Scan it with a good bidirectional scanner that can read body and ABS codes, and post the codes here. Dash messages aren't detailed enough to even speculate what could be going on.
Marky Dissod
Full Access Member
'Same' codes? Bet that others have had similar issues, but that different (groups of) codes point to different solutions.
List YOUR codes.
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I recently went through this, and it did turn out to be an electrical issue, more precisely, a ground issue. Seeing all of the trouble codes will be very helpful to you in troubleshooting your issue, and a quality bi-directional scanner is the only way to do this effectively.
At the very least, clean and dielectric grease the ground on the motor at the front of the passenger side head. Clean and dielectric grease the ground on the outside of the truck's frame below the front of the driver's door (a major source of ground issues).
Do you have, or have access to, a quality bi-directional scanner? If not, I recommend that you get yourself a quality bi-directional scanner to add to your tool box ($300-$500). Then, you will be able to read ALL trouble codes, along with a brief explanation/pointer to the source of your issue. You can test many of the truck's electronic functions with the scanner, in order to determine the source of an issue. You will also be able to reset/delete trouble codes, after taking corrective action. You will literally save thousands of dollars in diagnostic and repair costs over the life of your truck, and you will most likely recoup the cost of the scanner within 1 year.
At the very least, clean and dielectric grease the ground on the motor at the front of the passenger side head. Clean and dielectric grease the ground on the outside of the truck's frame below the front of the driver's door (a major source of ground issues).
Do you have, or have access to, a quality bi-directional scanner? If not, I recommend that you get yourself a quality bi-directional scanner to add to your tool box ($300-$500). Then, you will be able to read ALL trouble codes, along with a brief explanation/pointer to the source of your issue. You can test many of the truck's electronic functions with the scanner, in order to determine the source of an issue. You will also be able to reset/delete trouble codes, after taking corrective action. You will literally save thousands of dollars in diagnostic and repair costs over the life of your truck, and you will most likely recoup the cost of the scanner within 1 year.
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