19721 — Vorkatalysator, abgasbank4 wirkung troppo gering
Severity: Warning
Can you drive? With caution: limp mode possible, have it checked soon
Make: VAG
| Meaning | Vorkatalysator, abgasbank4 wirkung troppo gering. |
| Family | Manufacturer-native code |
Frequently asked questions
What does code 19721 mean?
Vorkatalysator, abgasbank4 wirkung troppo gering. Vorkatalysator, abgasbank4 wirkung troppo gering.
Can I keep driving with code 19721 active?
With caution: limp mode possible, have it checked soon
How do you fix code 19721?
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?
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Where to get it fixed