LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1327 (Automatic Transmission - Mu4 (Introduction, Service & Replacement)) >> Diagnostic Information and Procedures >> DTC P1780 >> DTC Confirmation Procedure

DTC Confirmation Procedure

WARNING: This page is about a different car, the 2004 Pontiac Vibe. However, it is still accessible from the selected car via links, so may be relevant.

The DTC Confirmation Procedure outline is here as follows:

  1. Turn the ignition switch to LOCK.
  2. Connect the scan tool to Data Link Connector (DLC).
  3. Start engine and warm up to normal operating temperature.
  4. Use a scan tool in order to clear the following items from the PCM memory:
    • The DTC
    • The pending DTC
    • Freeze frame data
  5. Drive the vehicle to 43 km/h (27 mph) in Drive range for 10 seconds.
  6. Accelerate the vehicle to 85 km/h (53 mph) in Drive range for 10 seconds.
  7. Stop the vehicle.
  8. Use the scan tool in order to inspect for DTC P1780.
scientia non olet · About LEMON Manuals