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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 26 (ENGINE CONTROLS - 8.1L - DIAGNOSTICS (DTCs P0030-P0174)) >> 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 greater than 950 mV for 200 seconds.

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