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Home >> Cadillac >> 2006 >> STS Base, 3.6 7, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 11 (Engine Control System - 4.6L (LH2) - DTC P0135 To P0391) >> DTC P0138 or P0158 >> Conditions for Setting the DTC

Conditions for Setting the DTC

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

The ECM detects that the HO2S parameter is more than 2 volts for longer than 1.6 seconds.

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