Originally Posted by coopersim
Error codes are:
Heating - no communication possible
Instrument - A559 KOMBI: Supply was switched off (terminal 30 g-f) - no matching fault symptom
DDE - 4453 DDE: Injector, cylinder 5, activation - unknown fault - fault currently present
DDE - 4452 DDE: Injector, cylinder 5, activation - Negative side, short circuit to positive side
Did you touch the injectors or its wiring?
1- Check all the wirings of injectors to starts with.
2- Check the condition of the battery.