50
Aftertreatment DEF Quality - Driver Warning &
Inducement
Triggers
Lamp Status
Driver Information Display
Screen
Good DEF Quality
None
None
Poor DEF Quality DTC
Initially Detected
W2029417
SCR performace low
Engine derate
in < xxx mins
Poor DEF Quality DTC
Initially De 1 hour of
operation
W2029417
SCR performance low
Engine derate
in < xxx mins
Poor DEF Quality DTC
Initially De4 hours of
operation
W2029417
SCR perfomance low
Engine in derate
5 Mph in < xxx mins
Poor DEF quality DTC
initially de 4 hours of
operation AND either:
1 Vehicle stationary for 20
minutes, or
2 Diesel Fuel
Refueling > 15% with
parking brake engaged
W2029417
SCR Performance low
Engine in derate
5 Mph at next stop
By means of 1 engine start
or use of a service tool
temporary exit from 8 Km/h
(5 Mph) Inducement
W2029417
SCR performance low
Speed limited
to 5 Mph
Ignition Key Cycle before
DEF Quality Evaluation has
been completed
W2029417
SCR perf. check
Engine in derate
5 Mph Limit removed