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2005
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Grand Prix Base
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Repair and Diagnosis
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Engine Performance
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System
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Engine Controls - 3.8L - DTC P1112 To DTC P2431
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DTC P2101: Control Module Throttle Actuator Position Performance
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Conditions for Setting the DTC
Conditions for Setting the DTC
The TAC module detects that the commanded and actual throttle positions are not within a calibrated range of each other.
OR
The TAC module or the PCM cannot determine throttle position.