When a reset alone does work
- After refilling with fresh AdBlue following contamination or running empty
- After a repaired part needs adaptations or a learn procedure
- When a one-off fault has been confirmed as cleared
When it won't
If a NOx sensor, pump, injector or heater has failed, the vehicle re-detects it within a drive cycle. Repeated resets can also leave the vehicle with a shorter countdown.
What we do
We read the codes and live data, confirm the cause, repair it, carry out the manufacturer reset/adaptation and road-test to confirm the warning stays off.
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