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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1348 (Engine Control System (Introduction) -- 1.8L (LNK)) >> Description and Operation >> Powertrain Control Module (PCM) Description >> Reading Diagnostic Trouble Codes

Reading Diagnostic Trouble Codes

WARNING: This page is about a different car, the 2004 Pontiac Vibe. However, it is still accessible from the selected car via links, so may be relevant.

The procedure for reading diagnostic trouble codes is to use a diagnostic scan tool. Follow the instructions supplied by the scan tool manufacturer in order to read DTCs accurately.

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