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Home >> Jeep >> 2019 >> Renegade Trailhawk >> Repair and Diagnosis >> External Pages >> Different car >> Section 732 (Transmission Control Module (TCM) - DTCS P0219-00 To P1C4E-00) >> Diagnosis And Testing >> P064F-00-Unauthorized Software-Calibration Detected >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2018 Jeep Cherokee. 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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