Operation CHARM: Car repair manuals for everyone.

Engine Control Module: Testing and Inspection




Coding Control Module (DME / DDE)


Turn off ignition.

Connect MoDiC or DIS Tester.
Turn on ignition.
Select "Coding" program.
For subsequent procedure, follow MoDiC or DIS instructions.

Carry out adjustment of the following control units:
- EWS (electronic immobilizer)
- DME (Digital Motor Electronics) or
- DDE (Digital Diesel Electronics)

Consult the Service Information bulletins "Diagnosis and Coding" on the subject of coding.