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Surge, RPM Fluctuation, No Codes
2011 Yukon Denali XL 1500 6.2L Today was a colder and wetter morning than usual in my area. I remote started my truck to let it warm up for a bit before I got into the truck. About 5 minutes later I got in, turned the key and was off on my way. About 1/4 mile in @25 mph, the truck started...- Heathen0042
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- Replies: 16
- Forum: Engine & Drivetrain
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Steering Wheel Position Sensor
Hello All, I was having the "Traction Control Off " , "Service Stabilitrack" and "Service Brakes Soon" messages display on my truck. I noticed that this occurred anytime I turned my wheel directly after start up. If I drove in a straight line it would not happen. After some digging on the...- Heathen0042
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- Replies: 13
- Forum: Engine & Drivetrain
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Service Stabilitrak/Service Traction Control & Service Brakes
Hey Guys, I have a 2011 Yukon XL 1500 Denali 6.2L with 165k on it. I have the Diablo Trinity EX tuner hooked into it to be able to read engine diagnostics and error codes. A while back it threw a code for the TPS sensor which I replaced and I haven't seen the code thrown again. However, over...- Heathen0042
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- Replies: 9
- Forum: Engine & Drivetrain
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Yukon XL Tuning Questions
I have a 2011 Yukon XL Denali with the 6.2L in it. I recently bought the Trinity T2 EX. I plan on running the Diablo Tune for the ECM and Firm Shift Tune for the TCM. For the tune I have the option to turn off torque management, skip shift (Which from what I read doesn't seem to apply to my...- Heathen0042
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- Replies: 1
- Forum: Performance
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Autoride Compressor Turns On
So I am the new owner of a 2011 Yukon XL Denali. I noticed the autoride compressor turns on when i turn the car on. This is normal from what I have read. However with no changes to the load on the truck the compressor kicks on from time to time. From what I have read this could indicate leak in...- Heathen0042
- Thread
- Replies: 1
- Forum: Street Suspension
