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Transmission Control Module Initialization: Notes

WARNING: This page is about a different car, the 2009 Dodge Caliber. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Refer to the following table when the Transmission Control Module (TCM) and/or transaxle has been replaced to determine if the TCM memory must be erased.
TCM Transaxle Erase Memory?
New Module Not Replaced Not Required
Not Replaced Replaced Required, Refer to RELEARN, AFTER REPLACING A TRANSAXLE 
Replaced With Used Module N/A