Manual:HUMMER Hummer H3 Base 2010Page:14340 / 37523



Diagnostic Starting Point - Vehicle — 2010 Hummer H3 Base, Automatic Service Manual

Diagnostic Starting Point - Vehicle

Begin the system diagnosis with Diagnostic System Check - Vehicle . The Diagnostic System Check - Vehicle will provide a complete strategy to locate and repair a mechanical or electrical vehicle fault. Not following this strategy may cause additional diagnostic time and/or misdiagnosis.

The Diagnostic System Check - Vehicle will provide the following strategy:

  • When to verify the customer concern and identify related bulletins, recalls and preliminary information
  • When to identify a control module that is not communicating, a control module that has set a DTC, and the DTC diagnostic priority
  • When to address power mode concerns
  • When to verify the engine cranks and runs
  • When to diagnose symptom related concerns