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Home >> Jeep >> 2015 >> Compass Limited, AWD, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 121 (Transmission Control Module (TCM) - Electrical Diagnostics) >> DTC Troubleshooting >> P1679-Calibration Not Learned >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2012 Jeep Patriot and 2012 Jeep Compass. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes 
OTHER TRANSMISSION DTCS PRESENT
TRANSMISSION RELEARN PERFORMED
TRANSMISSION CONTROL MODULE
CV TRANSMISSION REPLACED

Always perform the CVT Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to  STANDARD PROCEDURE  . 

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