No video
GM TAC Motor Failure Anlaysis
This video reviews the diagnostics on a GM Throttle Actuator Controller in validating proper throttle operation and how a service technician can deal with an intermittent complaint like the one presented in the video. This vehicle is a 2004 GMC YUKON with the 5.3L T motor. The vehicle has over 200K miles and arrived with DTCs P0120 and P2135.
This video was recorded with a new app called mmhmm. It's named that because you can tell people about it with food in your mouth, this is what their founder claims anyway.
Пікірлер: 10
Great analysis. As a side note, drive by wire systems are great...when they work. They are undoubtedly one of the most unnecessary electronic systems ever developed. A great engineer makes complex things simple, not the other way around. Also, I'm dealing with a TAC system giving me fits right now
@TechScottBrown
Жыл бұрын
Thank you. I disagree on the “unnecessary” statement. As emission controls thresholds continued to tighten, this system became an important solution. For the most part, these systems are pretty reliable and safe.
Wow…..true diagnosis and analysis. Great workmanship.
Fantastic captures and great analysis sir. Thanks for sharing.
@TechScottBrown
4 жыл бұрын
Joe's Auto Electric thank you, tell a friend!
Thank you Scott. Good job. Have a blessed and safe week to you and your family.
@TechScottBrown
4 жыл бұрын
Billy Yoder thanks for the kind words!
I have a code for p1518 and I had just cleaned my throttle body because it was idling rough and when I’m at a stop sign sometime it still be wanting to go instead of staying stopped. It only does it sometimes. And it’s using a lot of gas. What could that be?
Were you able to find why it set the P2135 TP1 & TP2 correlation fault?
@TechScottBrown
2 жыл бұрын
After replacing the throttle body and pigtail connector, all problems disappeared.