MasterTuning Fault code dictionary (DTC)

5022 — CRT filter burnt out or not fitted

Severity: Warning Can you drive? With caution: limp mode possible, have it checked soon Make: MAN
MeaningCRT filter burnt out or not fitted.
SystemCRT
FamilyManufacturer-native code

Frequently asked questions

What does code 5022 mean?

CRT filter burnt out or not fitted. CRT filter burnt out or not fitted. (System: CRT)

Can I keep driving with code 5022 active?

With caution: limp mode possible, have it checked soon

How do you fix code 5022?

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.

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Where to get it fixed

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