MasterTuning Fault code dictionary (DTC)

1640 — DDE Error EEPROM or Coding

Severity: Warning Can you drive? With caution: limp mode possible, have it checked soon Make: BMW
MeaningDDE Error EEPROM or Coding.
SystemDDE 4
FamilyManufacturer-native code

Frequently asked questions

What does code 1640 mean?

DDE Error EEPROM or Coding. DDE Error EEPROM or Coding. (System: DDE 4)

Can I keep driving with code 1640 active?

With caution: limp mode possible, have it checked soon

How do you fix code 1640?

Diagnosis starts from reading the live ECU parameters: the code points to the fault area, not to the part to replace. A vehicle-electronics specialist can test the component and clear the code after the repair.

Need help with this fault?

We are ECU specialists: diagnosis, file repair and remapping for cars, bikes, trucks and agricultural vehicles.

Contact us
Where to get it fixed

Related codes