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Home >> Saturn >> 2002 >> LW300 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P0221: TP Sensor No. 2 Circuit Performance >> DTC Parameters
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DTC Parameters

DTC sets when TP sensor No. 2 and TP sensor No. 1 signal voltages are out of correlation by more than 6.25 percent for more than 140 milliseconds, while TP sensor No. 2 voltage differs with MAF sensor signal voltage by more than 13 percent for more than 400 milliseconds.

NOTE: MIL will only illuminate if the fault is present for more than 5 seconds.