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Home › Jeep › 2011 › Compass Base, 2.4 B, AWD, Standard › Repair and Diagnosis › External Pages › Different variant/trim › Section 3 ((Transmission Control Module (TCM) - Electrical Diagnostics)) › DTC Troubleshooting › P1679-Calibration Not Learned › Set Condition:

Set Condition:

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The TCM is unable to read the hydraulic calibration data stored in the TCM EEPROM for the period of 5.0 seconds.