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.

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