“DETROIT DIESEL DIAGNOSTIC LINK DDDL 8.20 SP1 2025” has been added to your cart. View cart
Conditions for diagnostic trouble code (DTC):
1) NOx sensor indicates good Nox-reduction
2) Reagent quality sensor indicates poor quality
Observable symptoms
1) No aftertreatment diesel exhaust fluid (DEF) dosage
Probable cause
1) Aftertreatment Diesel Exhaust Fluid (DEF)
2) Reagent quality sensor
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