Can a 2010 Yukon Denali go into limp mode?
2010 Yukon Denali randomly will lose power and go into limp mode. All lights on dash panel come on (stabilitrack, side mirror monitoring, air ride suspension, etc). No gages work. No speedometer.
Why does the reduced power light come on on my GMC Yukon?
This is one of the most common reasons the reduced engine power light comes on. If the ECU isn’t getting the proper voltage response from the throttle body, it can’t be sure of how much it’ll really accelerate your Yukon from the gas pedal input.
Why does my GMC Yukon not go over 20 mph?
And the vehicle will not go over 20 mph on a level surface and bearly 3 mph up a moderately steep hill. Each time I have had it into the dealer for repair they have beeen stumped by what the cause of the problem is.
What is the throttle position sensor on a GMC Yukon?
The throttle position sensor is one of the most vital sensors in your Yukon. If it’s not responding, the ECU has no way of telling how much gas gas you’ve given it. The TPS data also helps determine when the transmission will shift.
2010 Yukon Denali randomly will lose power and go into limp mode. All lights on dash panel come on (stabilitrack, side mirror monitoring, air ride suspension, etc). No gages work. No speedometer.
Why does my GMC Denali suddenly stop working?
I have a 2007 GMC Denali with the same symptoms. The power suddenly dies. This is a reoccurring issue for the past 3 years. I noticed the negative battery cable had bad contact so I took a steel brush and scuffed up the cable where it meets the ground connection. That seemed to fix the issues for 6 months, but it came back again.
Why is my traction control not working on my Yukon?
Traction Control Not Working – Your Yukon’s traction control system mostly uses the same sensors to determine if a wheel has broken traction. Unlike StabiliTrak, which controls lateral issues (sliding), traction control keeps the wheels from unnecessary spinning.
How does the GMC Yukon Stabilitrak system work?
StabiliTrak is a GM specific vehicle stability system. It works by using a complex system of sensors to detect whether or not the vehicle is properly responding to your input in emergency situations. It uses this data to apply a specific brake or reduce the engine power to correct the slide and get your Yukon pointed back in the right direction.
What’s the problem with my GMC Yukon Denali XL?
Have a 2009 Denali XL with many of the same issues identified here EXCEPT doors locking and unlocking and the rear window thing. Been fighting the gremlins for almost 3 years. Originally I though I had it narrowed down to a broken battery post in the battery when I seemed to be able to wiggle the posts and got everything to work.
Are there any electrical problems with my GMC Yukon?
Battery goes dead after door is open for a short period of time or a dome light is on for a short period of time. Had battery, alternator and starter tested – all fine. Was loyal Toyota guy but needed a bigger vehicle and no model from Toyota fits the bill. Starting to regret going with GMC
What’s the voltage on my GMC Yukon Denali?
I noticed last night while driving that my headlights would get brighter and the voltage meter would increase above 15 volts. The lights would dim and the volt meter would drop back to 14 volts.
When did the GMC Yukon Denali battery go dead?
We purchased this 2010 Yukon used in March 2011 with about 18K miles. This summer the battery went dead while the back was open while loading the vehicle after a camping trip. I have since shut off the dome lights when loading/unloading to eliminate the issue.