Retrieving Diagnostic Trouble Codes

2002 Chevrolet Monte Carlo SS Dale EarnhardtSECTION Retrieving Diagnostic Trouble Codes

DTCs are retrieved by performing Diagnostic System Check - Engine Controls with Tech 2 scan tool, or other OBD-II compatible scan tool connected to OBD-II 16-pin Data Link Connector (DLC). See DIAGNOSTIC SYSTEM CHECK - ENGINE CONTROLS . See CONNECTOR IDENTIFICATION . DLC is located below left side of dash.

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.