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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 28 (ENGINE CONTROLS - 8.1L - DIAGNOSTICS (DTCs P0172-P0496)) >> DTC P0420 or P0430 >> DTC Descriptors

DTC Descriptors

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

This diagnostic procedure supports the following DTCs:

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