Control Module: Service and Repair

44.15.46 Electronic control unit (ECU) - Electronic automatic transmission (EAT)
If the ECU is to be replaced then Testbook/T4 must be connected and correct procedures adhered to, prior to battery disconnection.
Before disconnecting the battery, ensure all text and cautions are observed.

Remove





1. Disconnect battery earth lead.





2. Remove 10 Allen screws securing 'E' box cover and remove cover.
3. Disconnect 3 blue multiplugs from EAT ECU.
4. Release EAT ECU from mounting bracket and remove from 'E' box.

Refit
1. Fit EAT ECU in mounting bracket and connect multiplugs.
2. Fit 'E' box cover and tighten Allen screws to 2 Nm (1.5 ft. lbs.).
3. Connect battery earth lead.