throttle position sensor
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05 Yukon xl Denali p1516 and brake issue
Hey so I’m having this issue with a Yukon I just bought, it’s a 2005 Yukon xl Denali 6.0l and just today I was driving down the road and my gas pedal went to the floor and nothing, tc light can on and I pulled over and I had the p1516 TAC module code, I’ve heard some things about this from doing...- Velocity19
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- 2005 yukon brakes gmc yukon denali p1516 tac module throttle actuator control module throttle position sensor
- Replies: 8
- Forum: Engine & Drivetrain
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Reduced Engine Power - on startup only
2003 Yukon, 245k miles, 5.3L 2wd -- I started getting the Reduced Engine Power warning a few years ago not long after I bought this truck used from the 1 previous owner. For a year, I occasionally got the REP warning, maybe once every month or so. Then, it seemed to completely go away this...- dukbludvl
- Thread
- reduced engine power rep starter throttle position sensor
- Replies: 3
- Forum: Engine & Drivetrain
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2014 Denali P2127 P2138
Please help! I have a 2014 denali 6.2L DTC p2127 p2138 Driving along and for no apparent reason my service trac control, service stabilitrak, and reduced engine power come on. It shows the 2 DTCs above. I changed the pedal pos sensor, didnt fix it so I thought maybe got a bad part and changed...- ZDR1987
- Thread
- denali dtc p2127 p2138 pedal positon sensor throttle position sensor
- Replies: 8
- Forum: Engine & Drivetrain
