MasterTuning Fault code dictionary (DTC)

P21B3 — Chiuso LOOP NOX ABSORBER CONTROL alle LIMIT – TOO Alta

Severity: Attenzione Can you drive? With caution: limp mode possible, have it checked soon Produttore: Tutti makes (OBD-II standard)
MeaningChiuso LOOP NOX ABSORBER CONTROL AT LIMIT – TOO HIGH.
FamilyPowertrain (P)

Domande Frequenti

What does code P21B3 mean?

Chiuso LOOP NOX ABSORBER CONTROL AT LIMIT – TOO HIGH. CLOSED LOOP NOX ABSORBER CONTROL AT LIMIT – TOO HIGH.

Can I keep driving with code P21B3 Attivo?

With caution: limp mode possible, have it checked soon

How do you fix code P21B3?

Diagnosis Inizia Da Lettura the live ECU parameters: the code points a the fault area, not to the part to replace. A Veicolo-electronics specialist can test the component and Cancella the code after the repair.

Need Aiuto with this fault?

We are ECU specialists: diagnosis, file repair and remapping for Auto, bikes, Camion and Agricoli vehicles.

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