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Home >> Chevrolet >> 2001 >> Venture Base, Van Passenger >> Repair and Diagnosis >> External Pages >> Different car >> Section 76 (Engine Controls - Self-Diagnostics - 2.2L) >> Diagnostic Tests >> DTC P1221: Throttle Position Sensor 1 To 2 Correlation >> DTC Parameters

DTC Parameters

WARNING: This page is about a different car, the 2002 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.

DTC sets if TP sensor 1 and TP sensor 2 signal voltages are out or correlation by 5 percent at idle or up to 10 percent at WOT.