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Home >> Cadillac >> 2010 >> STS 3.6 V, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 18 (Engine Controls And Fuel - 4.6L (LH2) - DTC P0335 To DTC P2544) >> DTC P2120, P2122, P2123, P2125, P2127, P2128, or P2138 >> Conditions for Setting DTC >> P2128

Conditions for Setting DTC: P2128

WARNING: This page is about a different variant/trim than selected.

The ECM detects that the APP sensor 2 voltage is greater than 4.5 volts for less than 1 second.

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