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Home >> Nissan-Datsun >> 2004 >> Sentra SE-R >> Repair and Diagnosis >> External Pages >> Different car >> Section 2032 (Automatic Transmission) >> Precautions >> Precautions for A/T Assembly or TCM Replacement >> TCM Initialization Patterns
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TCM Initialization Patterns

WARNING: This page is about a different car, the 2007 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.
TCM INITIALIZATION PATTERNS CHART

TCM A/T assembly Erasing EEPROM in TCM Remarks
Replaced with new one Not replaced Not required Not required because the EEPROM in TCM is in the default state.
Replaced with new or old one
Not replaced Replaced with new or old one Required Required because data cannot be conformed to previous data written in the EEPROM in TCM.
Replaced with old one Not replaced
Replaced with new or old one
NOTE: "Old one" is the TCM or A/T assembly that has been used on other vehicles.