2014 Jeep Grand Cherokee User Guide - Page 147

2014 Jeep Grand Cherokee Manual

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DIESEL Exhaust Service Required - See Dealer Now • Regeneration has been disabled due to a system malfunction. The Powertrain control Module (PCM) will register a fault code and the instrument panel will display the Malfunction Indicator Light (MIL). CAUTION! See your authorized dealer, as damage to the exhaust system could occur soon with continued operation. Exhaust Filter Full - Power Reduced See Dealer • The PCM derates the engine in order to limit the likelihood of permanent damage to the after-treatment system. If this condition is not corrected and a dealer service is not performed, extensive exhaust after-treatment damage can occur. Have your vehicle serviced by your local authorized dealer. CAUTION! See your authorized dealer, as damage to the exhaust system could occur with the exhaust filter full. DIESEL EXHAUST FLUID • Diesel Exhaust Fluid (DEF) sometimes known simply by the name of its active component, UREA - is a key component of selective catalytic reduction (SCR) systems, which help diesel vehicles meet stringent emission regulations. DEF is a liquid reducing agent that reacts with engine exhaust in the presence of a catalyst to convert smog-forming nitrogen oxides (NOx) into harmless nitrogen and water vapor. • Your vehicle is equipped with a Selective Catalytic Reduction system in order to meet the very stringent diesel emissions standards required by the Environmental Protection Agency. Selective Catalytic Reduction (SCR) is the first and only technology in decades to be as good for the environment as it is good for business and vehicle performance. • The purpose of the SCR system is to reduce levels of NOx (oxides of nitrogen emitted from engines) that are harmful to our health and the environment to an almost near-zero level. Small quantities of Diesel Exhaust Fluid (DEF) are injected into the exhaust upstream of a catalyst where, when vaporized, convert smogforming nitrogen oxides (NOx) into harmless nitrogen (N2) and water vapor (H2O), two natural components of the air we breathe. You can operate with the comfort that your vehicle is contributing to a cleaner, healthier world environment for this and generations to come. 145

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ExhaustServiceRequired–SeeDealerNow
• Regeneration has been disabled due to a system malfunction. The Powertrain
control Module (PCM) will register a fault code and the instrument panel will
display the Malfunction Indicator Light (MIL).
CAUTION!
See your authorized dealer, as damage to the exhaust system could occur soon
with continued operation.
ExhaustFilterFull–PowerReducedSeeDealer
• ThePCMderatestheengineinordertolimitthelikelihoodofpermanentdamage
totheafter-treatmentsystem.Ifthisconditionisnotcorrectedandadealerservice
isnotperformed,extensiveexhaustafter-treatmentdamagecanoccur.Haveyour
vehicle serviced by your local authorized dealer.
CAUTION!
Seeyourauthorizeddealer,asdamagetotheexhaustsystemcouldoccurwiththe
exhaust filter full.
DIESELEXHAUSTFLUID
• Diesel Exhaust Fluid (DEF) sometimes known simply by the name of its active
component, UREA – is a key component of selective catalytic reduction (SCR)
systems,whichhelpdieselvehiclesmeetstringentemissionregulations.DEFisa
liquidreducingagentthatreactswithengineexhaustinthepresenceofacatalyst
to convert smog-forming nitrogen oxides (NOx) into harmless nitrogen and water
vapor.
• Your vehicle is equipped with a Selective Catalytic Reduction system in order to
meettheverystringentdieselemissionsstandardsrequiredbytheEnvironmental
Protection Agency. Selective Catalytic Reduction (SCR) is the first and only
technologyindecadestobeasgoodfortheenvironmentasitisgoodforbusiness
and vehicle performance.
• The purpose of the SCR system is to reduce levels of NOx (oxides of nitrogen
emitted from engines) that are harmful to our health and the environment to an
almostnear-zerolevel.SmallquantitiesofDieselExhaustFluid(DEF)areinjected
into the exhaust upstream of a catalyst where, when vaporized, convert smog-
formingnitrogenoxides(NOx)intoharmlessnitrogen(N2)andwatervapor(H2O),
two natural components of the air we breathe. You can operate with the comfort
thatyourvehicleiscontributingtoacleaner,healthierworldenvironmentforthis
and generations to come.
DIESEL
145