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Home › Jeep › 2012 › Compass Limited, AWD, Standard › Repair and Diagnosis › Transmission › Automatic Trans › Transmission Control Module (TCM) - Electrical Diagnostics › DTC Troubleshooting › P1679-Calibration Not Learned › When Monitored:

When Monitored:

Ignition on with a system voltage between 9.0 and 16.0 volts.

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