F21-250 Transmission Verification Test

For a complete wiring diagram, refer to appropriate SYSTEM WIRING DIAGRAMS article  .

1. Perform the following after completion of a diagnostic repair:
   1. Reconnect any disconnected components.
   2. Connect the scan tool to the Data Link Connector (DLC).
   3. With the scan tool, erase all Transmission and Engine DTCs.
   4. With the scan tool, display Transmission Temperature. Start and run the engine until the Transmission Temperature is HOT.
   5. Check the Transmission fluid level and adjust if necessary. Refer to FLUID, STANDARD PROCEDURE .
   6. If the TCM has been flash programmed, perform the Clear Self Learning Data procedure using the scan tool.
   7. If the transmission or transmission component has been replaced, or the TCM has been removed or replaced, perform the Neutral Position Self-Learning procedure and Clear Self Learning Data procedure using the scan tool.
   8. Road test the vehicle allowing the vehicle to shift through all gears.
   9. Check for DTCs during and after the road test.

   Were there any Diagnostic Trouble Codes (DTCs) set during the road test?

   Yes 

   • Refer to DIAGNOSTIC CODE INDEX  and perform the appropriate diagnostic procedure.

   No 

   • Repair is complete.