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Home >> Jeep >> 2024 >> Grand Cherokee Altitude X, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 42 (8HP75 Automatic Transmission - DTCS P0219-00 To P0716-00) >> DTC Troubleshooting >> P064F-00-Unauthorized Software/Calibration Detected >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2024 Jeep Grand Cherokee L. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes
WRONG TRANSMISSION CONTROL MODULE (TCM) SOFTWARE/CALIBRATION INSTALLED

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  .

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