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Home >> Jeep >> 2013 >> Grand Cherokee Laredo, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 13 (Powertrain Control Module (Pcm) - Transmission Verification Test & Pre-Diagnostic Troubleshooting Procedure - 65RFE Automatic Transmission) >> Standard Procedure >> 65RFE Transmission Verification Test >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different variant/trim than selected.
  1. Perform the following after completion of a diagnostic repair:
    • After completion of the Transmission Verification Test, the Powertrain Verification Test must be performed. 
    • 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 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. For the Fluid Fill procedure, refer to STANDARD PROCEDURE .
    • Road test the vehicle.
    • Perform the following shifts from a standing start with a constant throttle opening of 20 to 25 degrees to speeds of 97 Km/h (60 mph), make fifteen to twenty 1 to 2, 2 to 3, 3 to 4 and 4 to 5 upshifts.
    • Perform the following shifts with speeds below 40 Km/h (25 mph), make five to eight wide open throttle kickdowns to 1st gear. Allow at least 5 seconds each in 2nd and 3rd gear between each kickdown.
    • Check for DTCs during and after the road test.
    • After performing the road test, if any shift concerns are noted, perform the drive learn procedure for those affected shifts.
    • Use the EATX OBDII task manager to run Good Trip time in each gear, this will confirm the repair and to make sure the DTC does not re-mature. 

    Were any DTCs set during the road test?

    Yes 

    • Perform the appropriate diagnostic procedure.

    No 

    • Repair is complete.