For Cummins On-Highway Heavy-Duty
And MidRange Engines With Aftertreatment.
This guide covers engine, aftertreatment and emissions-related indicator lamps*
found on your vehicle's instrument panel and explains what they mean and the
actions drivers need to take when they illuminate. Important information about
fuel, oil, Diesel Exhaust Fluid (DEF) and operating tips is also included. For fire and
emergency vehicle applications, please reference Bulletin 4971316.
General Engine Indicator Lamps.
Check Engine Lamp Or Amber Warning Lamp
The Check Engine Lamp (which may also be
referred to as the Amber Warning Lamp) illuminates
when the engine needs to be serviced at the first
Stop Engine Lamp
The red Stop Engine Lamp indicates, when
illuminated, that the vehicle needs to be stopped
as soon as it is safe to do so.
On-Board Driver Tips. For Cummins On-Highway Heavy-Duty An
This guide covers engine, aftertreatment and emis
Diesel Exhaust Fluid For Selective Catalytic Redu
Diesel Particulate Filter (DPF). The DPF is an in
How To Perform A Parked (Stationary) Regeneration
Items Driver Will Notice. ■ Under certain condit