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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 24 (ENGINE CONTROLS - 4.3L - DTCs P0016-P0161) >> DTC P0138 or P0158 >> Conditions for Setting the DTC

Conditions for Setting the DTC

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The PCM detects that the affected HO2S Voltage parameter is more than 950 mV for 200 seconds.

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