MasterTuning Fault code dictionary (DTC)

16805 — Vorkatalysator,banco1 wirkung troppo gering

Severity: Warning Can you drive? With caution: limp mode possible, have it checked soon Make: VAG
MeaningVorkatalysator,bank1 wirkung troppo gering.
FamilyManufacturer-native code

Frequently asked questions

What does code 16805 mean?

Vorkatalysator,banco1 wirkung troppo gering. Vorkatalysator,bank1 wirkung troppo gering.

Can I keep driving with code 16805 active?

With caution: limp mode possible, have it checked soon

How do you fix code 16805?

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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