68RFE Transmission Verification Test
68RFE TRANSMISSION VERIFICATION TEST
For a complete wiring diagram refer to Diagrams/Electrical. Electrical Diagrams
Perform the following after completion of a diagnostic repair:
- With the scan tool check pinion factor (if equipped) for proper tire identification and program or reprogram if necessary.
- Connect the scan tool to the Data Link Connector (DLC).
- Reconnect any disconnected components.
- If the PCM has been replaced or updated (flashed), or the transmission has been repaired or replaced, using the scan tool, perform a Quick Learn Procedure.
- With the scan tool, erase all Transmission and Engine DTCs.
- With the scan tool, perform a BATTERY DISCONNECT, this will clear the DTC EVENT DATA
- With the scan tool, display Transmission Temperature. Start and run the engine until the Transmission Temperature is HOT.
- Check the Transmission fluid level and adjust if necessary. Refer to the Service Information for the Fluid Fill procedure.
- Road test the vehicle.
- Perform the following shifts from a standing start with a constant throttle opening of 20 to 25 degrees to the speeds of 97 km/h (60 mph); make fifteen to twenty 1 to 2, 2 to 3, 3 to 4, 4 to 5, 5 to 6 upshifts.
- Perform the following shifts with speeds below 40 km/h (25 mph); make five to eight wide open throttle kickdowns to 2nd gear. Allow at least 5 seconds each in 3rd and 4th gear between each kickdown.
- Check for DTCs during and after the road test.
- If after performing the road test, if any shift concerns are noted, perform the drive learn procedure for those affected shifts.
- Use the OBDII task manager to run Good Trip time in each gear, this will confirm the repair and to ensure that the DTC does not re-mature.
Were there any Diagnostic Trouble Codes (DTCs) set during the road test?
Yes
- Refer to the Transmission category and perform the appropriate symptom.
No
- Repair is complete.