2000 Oldsmobile Intrigue GLFACTORY OEM SERVICE PROCEDURE

BCM Diagnostic System Check: Testing

  1. Connect scan tool to Data Link Connector (DLC). If scan tool powers up, go to next step. If scan tool does not power up, go to SCAN TOOL DOES NOT POWER UP  .
  2. Turn ignition switch to RUN position. Using scan tool, attempt to establish communication with BCM. If scan tool communicates with BCM, go to next step. If scan tool does not communicate with BCM, go to SCAN TOOL DOES NOT COMMUNICATE WITH CLASS 2 DEVICE  .
  3. Select BCM display DTCs function. If any DTCs exist, go to next step. If no DTCs exist go to appropriate system starting point for related system.
  4. If any communication DTCs exist (DTCs beginning with a "U"), go to SCAN TOOL DOES NOT COMMUNICATE WITH CLASS 2 DEVICE  . If no communication DTCs exist, perform appropriate test. See BCM DTC DEFINITIONS  table.
  5. If DTC B1000 or B1013 exist, perform appropriate test under DIAGNOSTIC TESTS  . See BCM DTC DEFINITIONS  table under SELF-DIAGNOSTIC SYSTEM. If DTC B1000 or B1013 do not exist, go to next step.
  6. If DTCs B1334, B1339, B1354 or B1422 exist, perform appropriate test under DIAGNOSTIC TESTS  . See BCM DTC DEFINITIONS  table under SELF-DIAGNOSTIC SYSTEM. If DTCs B1334, B1339, B1354 or B1422 do not exist, go to appropriate system starting point for related system.
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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.

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