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Home >> Jeep >> 2010 >> Compass Limited, ED3, AWD, Standard >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Transmission Control Module (TCM) - Electrical Diagnostics >> DTC Troubleshooting >> DTC P1679: Calibration Not Learned >> Possible Causes

Possible Causes

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. See  DTC-Based Diagnostics/MODULE, Transmission Control (TCM) - Standard Procedure  . 

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