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P2101 Diagnostic Trouble Code Discussion for December 2009

Control Module Throttle Actuator Position Performance

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Trouble Ticket Help Requests for DTC P2101
Help Request Posted
2004 GMC C5500 Topkick C5C042 8.1L Cuts out VIN: 1GDG5C1E24
P2101: control mod. throttle actuator performance. ... here that has an intermittent problem. The reduced engine power light comes on and engine stalls or runs rough. checked codes found p2101 which is related to the throttle body performance. I have monitored the Tp senser along with the Tp desired on my scan...
December 28, 2009