2009 HUMMER H3 Power Train Problems

VEHICLE GOES INTO REDUCED POWER MODES AT ANY HIGHWAY SPEEDS. THE CODES INVOLVE A THROTTLE BODY, CRANKSHAFT SENSOR AND PEDAL. THIS IS EXTREMELY DAMGEROUS AT HIGHWAY SPEEDS SINCE VEHICLE IS IMMOBILE.

P2135 THROTTLE/PEDAL POSITION SENSOR/SWITCH A/B VOLTAGE CORRELATION THAT PUTS THE VEHICLE INTO ?STABILITRAK DISABLED", "TRACTION CONTROL DISABLED", AND "REDUCED ENGINE POWER". WHILE THERE IS A TSB#11-06-04-007B REGARDING THIS ISSUE AND WARRANTY COVERAGE; UNFORTUNATELY IT DOES NOT APPLY TO MY ENGINE. HOWEVER, SINCE THIS IS A WIDELY KNOW ISSUE, AND THIS VEHICLE IS EXPERIENCING THE SAME CONDITIONS, ONE WOULD THINK THAT MY VEHICLE WOULD BE SERVICED UNDER THIS TSB EXTENDED WARRANTY COVERAGE. 12/04/2014: FIRST SERVICE ATTEMPT: CLEAR CODE EVERYTHING TESTS FINE, LET?S SEE IF IT HAPPENS AGAIN. 12/10/2014: SECOND SERVICE ATTEMPT: BOTH THROTTLE BODY AND ACC PEDAL POSITION SENSOR TESTED "GOOD". WEAK BATTERY - REPLACE BATTERY. 12/22/2014: THIRD SERVICE ATTEMPT: TECH REPLACED ACCELERATOR PEDAL. RELEARNED THROTTLE/IDLE. 12/26/2014: FORTH SERVICE ATTEMPT: RELEARNED THROTTLE/IDLE PROCEDURE. 01/13/2015: FIFTH SERVICE ATTEMPT: REPROGRAM AND APPLY 6 UPDATES TO ECM. 01/14/2015: CODE THROWN AGAIN: DEALERSHIP ADVISING TO REPLACE THROTTLE BODY (BUT UNCERTAIN THAT THIS WILL FIX THE...