After Programming a Control Module

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The powertrain may operate slightly different after a control module software/calibration update. Operating the powertrain through various driving conditions allows the control module to relearn certain values. The control module must relearn the following after a software/calibration update:

Fuel trim correction
Idle air control (IAC) learned position
Automatic transmission shift adapts
Other learned values only relearn by performing a service procedure.

If a control module is replaced the following service procedures may need to be performed:
The crankshaft variation learn procedure
The engine oil life reset procedure
The idle learn procedure
The inspection/maintenance complete system set procedure
The vehicle theft deterrent password learn procedure
The throttle position (TP) sensor learn procedure