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Home >> Buick >> 2006 >> Allure CX >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - 3.8L - DTC P0451 To DTC P2120 >> DTC P2120 >> Conditions for Setting the DTC

Conditions for Setting the DTC

The APP sensor 1 voltage is less than 0.235 volt or more than 4.487 volts.
OR
The APP sensor 2 5-volt reference voltage is less than 4.54 volts or more than 5.21 volts.

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