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Home >> GMC >> 1996 >> C3500 HD 7.4 J, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Engine Controls - Basic Diagnostic Procedures - Diesel) >> On-Board Diagnostic (OBD) System Check >> Notes

On-Board Diagnostic (OBD) System Check: Notes

WARNING: This page is about a different variant/trim than selected.
NOTE: Use of Tech 1 scan tool is required to perform ON-BOARD DIAGNOSTIC (OBD) SYSTEM CHECK.
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