Test Procedure

2004 Oldsmobile Bravada RWDSECTION Test Procedure
WARNING: This page is about a different car, the 2003 Cadillac Seville and 2003 Cadillac DeVille. However, it is still accessible from the selected car via links, so may be relevant.
  • Install a scan tool.
  • With a scan tool, select the Service Bay Test in the special functions menu.
  • Follow the instructions on the scan tool.
  • Check DTCs with a scan tool.
  • Continue with the published service manual diagnostic DTC procedure. See DIAGNOSTIC TROUBLE CODE INDEX  table under DIAGNOSTIC TROUBLE CODE DEFINITIONS.
RENDER: 1.0x

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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.