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Home >> Pontiac >> 2005 >> Vibe Base, FWD, Automatic >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 6 (Automatic Transmission - Mu5) >> Diagnostic Information and Procedures >> DTC P1790 >> DTC Confirmation Procedure

DTC Confirmation Procedure

WARNING: This page is about a different variant/trim than selected.
  1. Turn the ignition switch to LOCK.
  2. Connect the scan tool to the data link connector (DLC).
  3. Turn the ignition switch to ON.
  4. Use a scan tool to clear the following items from the PCM memory:
    • The DTC
    • The pending DTC
    • The freeze frame data
  5. Start the engine.
  6. Step firmly on the brake pedal.
  7. Shift the manual selector to Drive (D).
  8. Leave the selector in Drive (D) for 10 seconds.
  9. Accelerate the vehicle in Drive (D).
  10. Keep driving for 60 seconds at 50 km/h (30 mph).
  11. Stop the vehicle.
  12. Use a scan tool to inspect DTC P1790.
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