Have you cleared the codes after you fitted the throttle body back on?
From the ross tech website:
There are certain test conditions that must be met before doing a TBA:
No DTC's in the Engine ControllerBattery voltage at least 11.5 V
Throttle must be at idling position (keep your foot off the gas pedal)
Throttle body part must not be dirty (carbonized).
Coolant temperature must be between 5 and 95C
If fault codes were cleared cycle the ignition off and back on prior to running Basic Settings.