Gmc SIERRA 2500HD Denali Diesel (2015) User Manual [ru]
Duramax Diesel
2015
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Chevrolet/GMC Duramax Diesel Supplement (GMNA Localizing-U.S./Canada-
7132827) - 2015 - crc - 6/5/14
2015 Chevrolet/GMC Duramax Diesel Supplement M
In Brief . .. . . . . . . . . . . . . . . . . . . . . . 1-1
Initial Drive Information . . . . . . . . 1-1
Performance and
Maintenance . . . . . . . . . . . . . . . . . 1-2
Instruments and Controls . . . . 5-1
Warning Lights, Gauges, and
Indicators . . . . . . . . . . . . . . . . . . . . 5-2
Information Displays . . . . . . . . . . 5-11
Vehicle Messages . . . . . . . . . . . . 5-12
Vehicle Personalization . . . . . . . 5-16
Driving and Operating . . . . . . . . 9-1
Starting and Operating . . . . . . . . . 9-1
Diesel Particulate Filter . . . . . . . 9-11
Diesel Exhaust Fluid . . . . . . . . . 9-13
Brakes . . . . . . . . . . . . . . . . . . . . . . . 9-20
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . 9-21
Towing . . . . . . . . . . . . . . . . . . . . . . . 9-38
Conversions and Add-Ons . . . 9-43
Vehicle Care . . . . . . . . . . . . . . . . . 10-1
General Information . . . . . . . . . . 10-1
Vehicle Checks . . . . . . . . . . . . . . . 10-3
Service and Maintenance . . . 11-1
General Information . . . . . . . . . . 11-1
Maintenance Schedule . . . . . . . 11-3
Special Application
Services . . . . . . . . . . . . . . . . . . . . 11-7
Recommended Fluids . . . . . . . . 11-8
Maintenance Records . . . . . . . 11-12
Technical Data . . . . . . . . . . . . . . . 12-1
Vehicle Data . . . . . . . . . . . . . . . . . . 12-2
Index . . . . . . . . . . . . . . . . . . . . . i-1
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ii Introduction
The names, logos, emblems,
slogans, vehicle model names, and
vehicle body designs appearing in
this manual including, but not limited
to, GM, the GM logo, CHEVROLET,
GMC, the CHEVROLET and GMC
Truck Emblems, SILVERADO,
SIERRA, DENALI, EXPRESS,
SAVANA, and Duramax are
trademarks and/or service marks of
General Motors LLC, its
subsidiaries, affiliates, or licensors.
For vehicles first sold in Canada,
substitute the name “General
Motors of Canada Limited” for GMC
and Chevrolet Motor Division
wherever it appears in this manual.
This manual describes features that
may or may not be on the vehicle
because of optional equipment that
was not purchased on the vehicle,
Litho in U.S.A.
Part No. 22948873 B-2 Second Printing
model variants, country
specifications, features/applications
that may not be available in your
region, or changes subsequent to
the printing of this owner manual.
Refer to the purchase
documentation relating to your
specific vehicle to confirm the
features.
This manual contains information
that pertains to the operation of your
diesel engine. It also contains your
Diesel Maintenance Schedule. The
sections in this manual correspond
to the sections in your owner
manual. This manual, along with
your owner manual, will assist you
in the proper use and maintenance
of your vehicle.
Keep this manual in the vehicle for
quick reference.
Canadian Vehicle Owners
Propriétaires Canadiens
A French language manual can be
obtained from your dealer, at
www.helminc.com, or from:
On peut obtenir un exemplaire de
ce guide en français auprès du
concessionnaire ou à l'adresse
savant:
Helm, Incorporated
Attention: Customer Service
47911 Halyard Drive
Plymouth, MI 48170
Using this Supplement
This supplement contains
information specific to the unique
components of the vehicle. It does
not explain everything you need to
know about the vehicle. Read this
supplement along with the owner
manual to learn about the vehicle's
features and controls.
©
2014 General Motors LLC. All Rights Reserved.
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Index
A good place to look for what you
need is the Index in back of this
supplement. It is an alphabetical list
of what is in the supplement, and
the page number where you will
find it.
Introduction iii
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iv Introduction
2 NOTES
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In Brief 1-1
In Brief
Initial Drive Information
Transmission . . . . . . . . . . . . . . . . . . 1-1
Performance and Maintenance
Engine Oil Life System . . . . . . . . 1-2
Diesel Particulate Filter . . . . . . . 1-2
Diesel Exhaust Fluid . . . . . . . . . . 1-3
Initial Drive
Information
Transmission
Cold Operation
When temperatures are very cold,
the transmission will prevent certain
operations to protect against
damage. The information below
shows shift range availability based
on transmission oil temperature:
.
All shift ranges available
at −25°C (−13°F) or above.
.
2 (Second) and 3 (Third) shift
ranges only at −35°C (−31°F) to
−25°C (−13°F).
.
2 (Second) shift range only at
−35°C (−31°F) or lower.
Torque converter clutch operation
will also be prevented when air or
transmission oil temperatures are
below certain levels.
For areas where ambient
temperatures are below −40°C
(−40°F), use synthetic transmission
fluid approved to Allison
Transmission
TES-295. See Recommended
Fluids and Lubricants on page 11-8
and Automatic Transmission Fluid
on page 10-9.
Adaptive Shift Controls
The shift quality of a new vehicle
may not be ideal because the
Adaptive Shift Control process may
not have determined the best
settings for a particular shift or
condition. Shift quality will improve
with continued driving.
Low Traction Mode
Low Traction Mode aids in vehicle
acceleration on slippery road
surfaces such as ice or snow. By
selecting 2 (Second) using Range
Selection Mode while at a stop, the
transmission will limit torque to the
drive wheels to prevent slippage.
®
specification
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1-2 In Brief
Heater Performance Mode
When cold weather conditions are
detected, the transmission raises
part throttle upshift points after the
1 (First) to 2 (Second) upshift to
increase engine speed. This feature
shortens engine and cab warm up
times.
When the transmission is in this
mode, upshifts may be delayed.
This is normal and does not indicate
an operational problem.
Four-Wheel Drive
When operating in 4
(Four-Wheel-Drive Low), there is a
very deep gear reduction. The
resulting shifts will feel exaggerated.
↓
Performance and Maintenance
Engine Oil Life System
The engine oil life system calculates
engine oil life based on vehicle use
and displays the CHANGE ENGINE
OIL SOON message when it is time
to change the engine oil and filter.
The oil life system should be reset
to 100% only following an oil
change. See “Engine Oil Life
System” in the owner manual.
Diesel Particulate Filter
The Duramax engine is equipped
with a Diesel Particulate Filter (DPF)
that, by design, will filter or trap
particulates. The DPF is located
under the vehicle in the exhaust
system.
Depending on a number of factors
monitored by the engine computer,
the DPF will need to be cleaned of
accumulated solids. When a
cleaning is needed, the engine
computer will initiate a cleaning
action by warming the exhaust gas
temperature. This feature has been
designed to operate automatically,
with limited operator involvement or
awareness.
Cleaning the DPF (Exhaust
Filter)
While the DPF cleaning is
automatically controlled by the
engine computer, the vehicle will
need to operate continuously until
the CLEANING EXHAUST FILTER
KEEP DRIVING UNTIL MESSAGE
IS CLEARED message is no longer
displayed. Cleaning occurs most
effectively above 48 km/h (30 mph).
If the vehicle is returned to idle
during the cleaning process, the
driver may notice a slightly different
sound or a slightly elevated engine
idle speed. This is normal. No action
is required on the part of the driver
during a regular DPF cleaning. See
Diesel Particulate Filter on
page 9-11.
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In Brief 1-3
Special DPF Driver Messages
If the vehicle is used for numerous
short trips or extended slow-speed
operation, the engine computer may
not be able to adequately heat up
the exhaust system to clean the
DPF effectively. The engine
computer has been designed to
continuously monitor the condition
of the DPF. When the engine
computer detects that the DPF is
nearly full of particulates and that
the vehicle is not being operated in
a manner that would allow effective
automatic DPF cleaning, the Driver
Information Center will display the
message CLEANING EXHAUST
FILTER KEEP DRIVING UNTIL
MESSAGE IS CLEARED.
If the vehicle continues to be driven
in a manner that prevents effective
DPF cleaning, the DPF will become
plugged with particulates. If this
occurs, the engine computer will
turn on the service engine soon light
in the instrument cluster and the
See Diesel Particulate Filter on
page 9-11 and Engine Power
Messages on page 5-13.
Fuel
Use Ultra Low Sulfur Diesel
Fuel (ULSD)
Use ULSD only. The emission
control hardware used on the
vehicle may be damaged by using
fuel with high sulfur levels. Use only
fuel that is dispensed from pumps
bearing the ULSD label.
Do Not Use Low Sulfur Diesel
Fuel (LSD)
Do not use fuel that is dispensed
from pumps bearing the LSD label.
Do Not Use Non-Highway Fuel
Fuel labeled as off road or
non-highway is typically very high in
sulfur content and will damage the
emission control system.
Non-highway fuel is not intended for
use in on-highway vehicles and
DIC will display the message
ENGINE POWER IS REDUCED.
does not have the fuel properties
needed by the DPF-equipped
Duramax diesel.
In addition:
.
Use the correct engine oil.
.
Do not add gasoline to
diesel fuel.
.
Do not modify the induction or
exhaust systems.
See Fuel for Diesel Engines on
page 9-21 and Engine Oil on
page 10-6.
Diesel Exhaust Fluid
Diesel Exhaust Fluid (DEF) is used
with diesel engines to reduce the
amount of regulated emissions
produced. The DEF system must be
maintained for the vehicle to run
properly.
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1-4 In Brief
Locating Diesel Exhaust Fluid
DEF can be purchased at a
Chevrolet or GMC dealer. It can
also be purchased at authorized
vehicle and truck dealerships.
Additionally, some diesel truck
fueling stations or retailers may
have DEF for purchase. For
vehicles with an active OnStar
®
subscription, OnStar can help to
locate a DEF retailer. See
“Customer Assistance Offices” in
the owner manual for phone
numbers to assist you in contacting
a GM dealer. See Recommended
Fluids and Lubricants on page 11-8.
As the DEF tank becomes low on
fluid, warnings begin with
approximately 1600 km (1,000 mi) of
remaining range. These warnings
will increase in intensity as the tank
becomes empty. Once the tank is
empty, the vehicle speed will be
limited. If there is an issue with the
quality of the fluid or the exhaust
fluid system, warnings will be
displayed in the Driver Information
Center (DIC). See Diesel Exhaust
Fluid on page 9-13.
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Instruments and Controls 5-1
Instruments and Controls
Warning Lights, Gauges, and
Indicators
Instrument Cluster . . . . . . . . . . . . 5-2
Fuel Gauge . . . . . . . . . . . . . . . . . . . 5-6
Engine Oil Pressure Gauge . . . 5-7
Malfunction Indicator Lamp . . . 5-8
Wait-to-Start Light . . . . . . . . . . . 5-10
Diesel Exhaust Fluid (DEF)
Warning Light . . . . . . . . . . . . . . 5-11
Power Take-Off Light . . . . . . . . 5-11
Information Displays
Driver Information
Center (DIC) . . . . . . . . . . . . . . . . 5-11
Vehicle Messages
Vehicle Messages . . . . . . . . . . . 5-12
Engine Cooling System
Messages . . . . . . . . . . . . . . . . . . 5-12
Engine Oil Messages . . . . . . . . 5-13
Engine Power Messages . . . . 5-13
Fuel System Messages . . . . . . 5-13
Diesel Exhaust Fluid
Messages . . . . . . . . . . . . . . . . . . 5-13
Diesel Particulate Filter
Messages . . . . . . . . . . . . . . . . . . 5-14
Service Vehicle Messages . . . 5-14
Starting the Vehicle
Messages . . . . . . . . . . . . . . . . . . 5-14
Vehicle Speed Messages . . . . 5-15
Vehicle Personalization
Vehicle Personalization (Truck
Models) . . . . . . . . . . . . . . . . . . . . 5-16
Vehicle Personalization (Van
Models) . . . . . . . . . . . . . . . . . . . . 5-18
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5-2 Instruments and Controls
Warning Lights, Gauges, and Indicators
Instrument Cluster
English Base Level Pickup Shown, Metric Similar
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Instruments and Controls 5-3
English Uplevel Pickup Shown, Metric Similar
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5-4 Instruments and Controls
English Denali Pickup Shown, Metric Similar
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Instruments and Controls 5-5
English Van Shown, Metric Similar
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5-6 Instruments and Controls
See the owner manual for warning
lights and gauges not listed in this
supplement.
Fuel Gauge
English Pickup Models
Metric Pickup Models
Metric Van Models
English Van Models
When the ignition is on, the fuel
gauge shows approximately how
much fuel the vehicle has left in the
tank. The gauge will first indicate
E (Empty) before the vehicle is out
of fuel, but the vehicle's fuel tank
should be filled soon.
An arrow on the fuel gauge
indicates the side of the vehicle the
fuel door is on.
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Instruments and Controls 5-7
Listed are four situations customers
may experience with the fuel gauge:
.
At the gas station, the fuel pump
shuts off before the gauge reads
F (Full).
.
It takes a little more or less fuel
to fill up than the fuel gauge
indicated. For example, the
gauge may have indicated the
tank was half full, but it actually
took a little more or less than
half the tank's capacity to fill
the tank.
.
The gauge moves a little while
turning a corner or speeding up.
.
The gauge does not go back to
E (Empty) when the ignition is
turned off.
None of these indicate a problem
with the fuel gauge.
For information on how to fill the fuel
tank, see Filling the Tank on
page 9-36.
Engine Oil Pressure Gauge
English Pickup Models
Metric Pickup Models
Metric Van Models
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5-8 Instruments and Controls
Caution (Continued)
low, have the vehicle serviced.
Always follow the maintenance
schedule for changing engine oil.
The engine oil pressure gauge
reads in kPa (kilopascals) or psi
(pounds per square inch) when the
engine is running. Oil pressure may
vary with engine speed, outside
English Van Models
Caution
{
Lack of proper engine oil
maintenance can damage the
engine. Driving with the engine
oil low can also damage the
engine. The repairs would not be
covered by the vehicle warranty.
Check the oil level as soon as
possible. Add oil if required, but if
the oil level is within the operating
range and the oil pressure is still
(Continued)
temperature, and oil viscosity.
If readings are outside the normal
operating range, the low oil
pressure message may display on
the Driver Information Center (DIC),
or for vehicles without DIC the oil
pressure light will come on. If the oil
pressure message or light comes
on, check the oil level immediately.
Do not operate the engine with the
oil pressure warning light on or an
ENGINE OIL LOW ADD OIL
message displayed.
Malfunction Indicator Lamp
A computer system called OBD II
(On-Board Diagnostics-Second
Generation) monitors the operation
of the vehicle to ensure emissions
are at acceptable levels, helping to
maintain a clean environment. The
malfunction indicator lamp comes
on when the vehicle is placed in
ON/RUN as a check to show it is
working. If it does not, have the
vehicle serviced by your dealer. See
“Ignition Positions” in the owner
manual.
If the malfunction indicator lamp
comes on while the engine is
running, this indicates that there is
an OBD II problem and diagnosis
and service might be required.
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Instruments and Controls 5-9
This light may also come on when
the Diesel Exhaust Fluid (DEF)
management system is not working.
See Diesel Exhaust Fluid on
page 9-13.
Malfunctions often are indicated by
the system before any problem is
apparent. Being aware of the light
can prevent more serious damage
to the vehicle. This system also
assists the service technician in
correctly diagnosing any
malfunction.
Caution
{
If the vehicle is continually driven
with this light on, the emission
controls might not work as well,
the vehicle fuel economy might
not be as good, and the engine
might not run as smoothly. This
could lead to costly repairs that
might not be covered by the
vehicle warranty.
Caution
{
Modifications made to the engine,
transmission, exhaust, intake,
or fuel system of the vehicle or
the replacement of the original
tires with other than those of the
same Tire Performance Criteria
(TPC) can affect the vehicle's
emission controls and can cause
this light to come on.
Modifications to these systems
could lead to costly repairs not
covered by the vehicle warranty.
This could also result in a failure
to pass a required Emission
Inspection/Maintenance test. See
Accessories and Modifications on
page 10-1.
When the light is on, an emission
control system malfunction has
been detected on the vehicle.
Diagnosis and service might be
required.
An emission system malfunction
might be corrected by using good
quality fuel. Poor fuel quality causes
the engine not to run as efficiently
as designed and may cause: stalling
after start-up, stalling when the
vehicle is changed into gear,
misfiring, hesitation on acceleration,
or stumbling on acceleration. These
conditions might go away once the
engine is warmed up. See Fuel for
Diesel Engines on page 9-21.
If this does not make the light turn
off, your dealer can check the
vehicle. The dealer has the proper
test equipment and diagnostic tools
to fix any mechanical or electrical
problems that might have
developed.
Emissions Inspection and
Maintenance Programs
Depending on where you live, your
vehicle may be required to
participate in an emission control
system inspection and maintenance
program. For the inspection, the
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5-10 Instruments and Controls
emission system test equipment will
likely connect to the vehicle's Data
Link Connector (DLC).
The DLC is under the instrument
panel to the left of the steering
wheel. See your dealer if assistance
is needed.
The vehicle may not pass
inspection if:
.
The malfunction indicator lamp is
on with the engine running, or if
the light does not come on when
the ignition is turned to ON/RUN
while the engine is off. See your
dealer for assistance in verifying
proper operation of the
malfunction indicator lamp.
.
The OBD II (On-Board
Diagnostics) system determines
that critical emission control
systems have not been
completely diagnosed. The
vehicle would be considered not
ready for inspection. This can
happen if the 12-volt battery has
recently been replaced or run
down. The diagnostic system is
designed to evaluate critical
emission control systems during
normal driving. This can take
several days of routine driving.
If this has been done and the
vehicle still does not pass the
inspection for lack of OBD II
system readiness, your dealer
can prepare the vehicle for
inspection.
Wait-to-Start Light
If the wait-to-start light comes on,
the glow plug system is required
and operating. Wait until the light
turns off before starting the engine.
This light may not come on in warm
temperatures.
The fast warm-up glow plug system
makes the wait-to-start light stay on
for a shorter amount of time than
most diesel engines.
See Starting the Diesel Engine on
page 9-1.
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Instruments and Controls 5-11
Diesel Exhaust Fluid
Power Take-Off Light
(DEF) Warning Light
Non-Denali Pickups
This light, a Driver Information
Center (DIC) message, and a chime
come on when there is an issue with
the Diesel Exhaust Fluid.
See Diesel Exhaust Fluid Messages
on page 5-13 for information on the
specific message displaying with the
light.
If the DEF fluid level has not been
corrected, the light will continue to
flash when the vehicle is started.
The vehicle's speed may also be
limited.
Also see Diesel Exhaust Fluid on
page 9-13.
The vehicle may have a Power
Take-Off (PTO) light. Under normal
operating conditions, the PTO light
will remain on throughout the PTO
operating cycle. If all conditions
required to engage PTO have not
been met when enabling PTO, the
PTO light will turn on, then turn off
after one second. See Power
Take-Off (PTO) on page 9-43.
Information Displays
Driver Information Center (DIC)
The DIC is in the instrument cluster.
The DIC comes on when the ignition
is on.
A Duramax diesel vehicle may have
the following additional DIC menu
items.
EXHAUST FLUID LEVEL
The EXHAUST FLUID LEVEL will
be displayed as either OK, XX%,
or LOW.
When LOW appears on the display,
add diesel exhaust fluid as soon as
possible. See Diesel Exhaust Fluid
on page 9-13.
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5-12 Instruments and Controls
FUEL FILTER LIFE REMAINING
This display shows an estimate of
the fuel filter's remaining useful life.
If you see 90% FUEL FILTER LIFE
REMAINING on the display, it
means 90% of the current fuel filter
life remains. The fuel filter life
system will alert you to change the
fuel filter on a schedule consistent
with your driving conditions.
When the remaining fuel filter life is
low, the CHANGE FUEL FILTER
message will appear on the display.
Change the fuel filter as soon as
possible.
FUEL FILTER LIFE RESET
You must reset the FUEL FILTER
LIFE REMAINING display after each
fuel filter change. It will not reset
itself. Also, be careful not to reset
the FUEL FILTER LIFE REMAINING
display at any time other than when
the fuel filter has just been changed
because it cannot be reset
accurately until the next fuel filter
change. The fuel filter life will
change to 100% when the system
has been reset. To reset the system,
press and hold the set/reset button,
or the trip odometer reset stem if
there are no DIC buttons, for
two seconds while FUEL FILTER
LIFE REMAINING is displayed on
the DIC.
Vehicle Messages
The Driver Information Center (DIC)
will display warning messages if a
problem is detected. Pressing the
select button or the set/reset button
for vehicles with DIC buttons, or the
trip odometer reset stem for vehicles
without DIC buttons, will
acknowledge some current warning
or service messages. Other
messages are more urgent and
cannot be cleared from the display
until the issue is corrected.
The following are some additional
messages that the Duramax diesel
vehicle can display.
Engine Cooling System Messages
COOLANT LEVEL LOW ADD
COOLANT
This message will appear on the
DIC if the engine coolant level is
low. Adding coolant to the coolant
recovery tank will clear the
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Instruments and Controls 5-13
message. For pickups only,
remember to check the coolant in
both sides of the reservoir. See
“Engine Coolant” in the owner
manual.
Engine Oil Messages
ENGINE OIL LOW ADD OIL
This message only displays when
the ignition key is turned to ON/RUN
and the oil level in the vehicle is low.
Check the oil level and correct it as
necessary. You may need to let the
vehicle cool or warm up and cycle
the ignition to be sure this message
clears.
This message clears itself after
10 seconds, until the next ignition
cycle. See Engine Oil on page 10-6.
a reduction in performance and
acceleration. You should take the
vehicle in for service.
Fuel System Messages
CHANGE FUEL FILTER
This message will appear on the
DIC for 10 seconds when a fuel filter
change is required. See Fuel Filter
Replacement on page 9-33.
WATER IN FUEL SERVICE
REQUIRED
This message will come on to warn
you if there is water in the diesel
fuel system. For more information
on how this message works, see
Water in Fuel on page 9-28.
Diesel Exhaust Fluid
Engine Power Messages
ENGINE POWER IS REDUCED
A computer monitors the operation
of the engine. If the ENGINE
POWER IS REDUCED message
comes on while driving, there will be
Messages
For more information on these
messages, see “Exhaust Fluid Low”
or “Exhaust Fluid Quality Poor” in
Diesel Exhaust Fluid on page 9-13.
EXHAUST FLUID RANGE:
XXXX KM (MI)
When the exhaust fluid is getting
low, the range will be displayed in
either kilometers or miles. It is
normal for the EXHAUST FLUID
RANGE to vary based on vehicle
and environmental driving
conditions. When this message first
displays at approximately 1 600 km
(1,000 mi) of fluid range remaining,
the fluid is approximately 11 L
(3 gal) low.
EXHAUST FLUID LOW SPEED
LIMITED SOON
When the exhaust fluid range is less
than 120 km (75 mi) this message
will be displayed.
EXHAUST FLUID EMPTY
REFILL NOW
This message will be displayed
when the exhaust fluid is empty.
This message may be accompanied
by other messages that provide
more information.
Black plate (14,1)
Chevrolet/GMC Duramax Diesel Supplement (GMNA Localizing-U.S./Canada-
7132827) - 2015 - crc - 6/5/14
5-14 Instruments and Controls
EXHAUST FLUID QUALITY
POOR SEE OWNERS
MANUAL NOW
This message displays when the
exhaust fluid is of poor quality or the
wrong fluid was added. This
message may be accompanied by
other messages that provide more
information.
If the filter is not cleaned, the
malfunction indicator lamp will come
on and the ENGINE POWER IS
REDUCED message will be
displayed. Vehicle performance will
be limited. See Diesel Particulate
Filter on page 9-11.
Service Vehicle Messages
SERVICE EXHAUST FLUID
Diesel Particulate Filter Messages
CLEANING EXHAUST FILTER
CONTINUE DRIVING (Uplevel
Cluster) or DIESEL PARTIC
FILTER IS FULL CONTINUE
DRIVING (Base Level Cluster)
This message will appear on the
DIC when an exhaust particulate
filter cleaning is required. To clean
the filter, drive the vehicle above
50 km/h (30 mph) until the warning
message goes off. This will take
about 30 minutes.
SYSTEM SEE OWNERS
MANUAL NOW
This message displays when the
exhaust fluid system needs service.
This message may be accompanied
by other messages that provide
more information. See “Service
Exhaust Fluid System” in Diesel
Exhaust Fluid on page 9-13.
SERVICE EMISSION SYSTEM
SEE OWNERS MANUAL NOW
This message displays when the
emission system needs service.
Take the vehicle to your dealer. See
“Service Emission System” in Diesel
Exhaust Fluid on page 9-13.
Starting the Vehicle Messages
ELEVATED IDLE OFF
This message will appear when the
elevated idle/exhaust restrictor
feature has been turned off. See
“Elevated Idle” under Starting the
Diesel Engine on page 9-1.
ELEVATED IDLE ON
This message will appear when the
elevated idle/exhaust restrictor
feature has been turned on. See
“Elevated Idle” under Starting the
Diesel Engine on page 9-1.
FAST IDLE ON (Van Models)
If your vehicle has this feature, this
message displays when the fast idle
feature is on. See “Fast Idle Control”
under Starting the Diesel Engine on
page 9-1.
Black plate (15,1)
Chevrolet/GMC Duramax Diesel Supplement (GMNA Localizing-U.S./Canada-
7132827) - 2015 - crc - 6/5/14
Instruments and Controls 5-15
Vehicle Speed Messages
For more information on these
messages, see Diesel Exhaust Fluid
on page 9-13.
XXX KM (MI) UNTIL 105 KM/H
(65 MPH) MAX SPEED
This message will be displayed
along with other messages. These
messages include EXHAUST FLUID
EMPTY REFILL NOW, EXHAUST
FLUID QUALITY POOR, SERVICE
EMISSION SYSTEM, or SERVICE
EXHAUST FLUID SYSTEM. The
vehicle speed will be limited to
105 km/h (65 mph) when the
countdown is over.
XXX KM (MI) UNTIL 88 KM/H
(55 MPH) MAX SPEED
This message will be displayed
along with other messages. These
messages include EXHAUST FLUID
EMPTY REFILL NOW, EXHAUST
FLUID QUALITY POOR, SERVICE
EMISSION SYSTEM, or SERVICE
EXHAUST FLUID SYSTEM. The
vehicle speed will be limited to
88 km/h (55 mph) when the
countdown is over.
XXX KM (MI) UNTIL 7 KM/H
(4 MPH) MAX SPEED
This message will be displayed
along with other messages. These
messages include EXHAUST FLUID
EMPTY REFILL NOW, EXHAUST
FLUID QUALITY POOR,
or SERVICE EXHAUST FLUID
SYSTEM. The vehicle speed will be
limited to 7 km/h (4 mph) when the
countdown is over.
SPEED LIMITED TO 105 KM/H
(65 MPH)
This message will be displayed
along with other messages. These
messages include EXHAUST FLUID
EMPTY REFILL NOW, EXHAUST
FLUID QUALITY POOR, SERVICE
EMISSION SYSTEM, or SERVICE
EXHAUST FLUID SYSTEM. When
this message is displayed, the
vehicle speed is being limited to
105 km/h (65 mph).
SPEED LIMITED TO 88 KM/H
(55 MPH)
This message will be displayed
along with other messages. These
messages include EXHAUST FLUID
EMPTY REFILL NOW, EXHAUST
FLUID QUALITY POOR, SERVICE
EMISSION SYSTEM, or SERVICE
EXHAUST FLUID SYSTEM. When
this message is displayed, the
vehicle speed is being limited to
88 km/h (55 mph).
SPEED LIMITED TO
7 KM/H (4 MPH)
This message will be displayed
along with other messages. These
messages include EXHAUST FLUID
EMPTY REFILL NOW, EXHAUST
FLUID QUALITY POOR,
or SERVICE EXHAUST FLUID
SYSTEM. When this message is
displayed, the vehicle speed is
being limited to 7 km/h (4 mph).
Black plate (16,1)
Chevrolet/GMC Duramax Diesel Supplement (GMNA Localizing-U.S./Canada-
7132827) - 2015 - crc - 6/5/14
5-16 Instruments and Controls
TRANSITIONING TO XX KM/H
(XX MPH) MAX SPEED
This message will be displayed
along with other messages. These
messages include EXHAUST FLUID
EMPTY REFILL NOW, EXHAUST
FLUID QUALITY POOR, SERVICE
EMISSION SYSTEM, or SERVICE
EXHAUST FLUID SYSTEM. When
this message is displayed, the end
of the countdown has been reached
and the vehicle speed is being
limited.
Vehicle Personalization
Vehicle Personalization (Truck Models)
Use the audio system controls to
access the personalization menus
for customizing vehicle features.
The following features may be
available on some vehicles with a
diesel engine. See “Vehicle
Personalization” in the owner
manual for additional vehicle
personalizations.
System Controls
1. Turn the ignition to ON/RUN
without the engine running and
place the vehicle in P (Park).
To avoid excessive drain on the
battery, turn the headlamps off.
2. Press the MENU knob on the
radio.
3. Turn the MENU knob to scroll to
SETTINGS, then press the
MENU knob.
4. Turn the MENU knob to scroll to
Vehicle, then press the
MENU knob.
5. Turn the MENU knob to scroll to
the desired menu, then press
the MENU knob.
Vehicle
Select and the following may
display:
.
Climate and Air Quality
.
Power Take-Off (PTO)
Climate and Air Quality
Select and the following may
display:
.
Elevated Idle (If Equipped)
Elevated Idle (If Equipped)
This allows the feature to be turned
on and off. See “Elevated Idle” in
Starting the Diesel Engine on
page 9-1.
Black plate (17,1)
Chevrolet/GMC Duramax Diesel Supplement (GMNA Localizing-U.S./Canada-
7132827) - 2015 - crc - 6/5/14
Instruments and Controls 5-17
Select Off, or On.
Power Take-Off (PTO)
There may be additional features
that can be customized for the
Power Take-Off (PTO). See Power
Take-Off (PTO) on page 9-43. See
your dealer to enable these
features.
Feature Settings Menu Items
Press the MENU knob to select the
desired setting.
.
Standby Speed
.
Set 1 Speed
.
Set 2 Speed
.
Tap Step Speed
.
Shutdown Time
Turn the MENU knob to scroll to
one of the following menu
selections:
PTO STANDBY SPEED
This feature allows for modifying the
PTO Standby Speed.
Turn the MENU knob to the desired
setting. Press the MENU knob to
select the desired setting.
PTO SET 1 SPEED
This feature is available if the
vehicle is configured for Stationary
Preset PTO, and allows the
selection of the PTO 1 set speed.
Turn the MENU knob to the desired
PTO Standby Set 1 setting. Press
the MENU knob to select the
desired setting.
PTO SET 2 SPEED
This feature is available if the
vehicle is configured for Stationary
Preset PTO, and allows the
selection of the PTO 2 set speed.
Turn the MENU knob to the desired
PTO Standby Set 2 setting. Press
the MENU knob to select the
desired setting.
PTO TAP STEP SPEED
This feature is available if the
vehicle is configured for Stationary
Variable or Mobile PTO, and allows
the selection of the PTO tap step
speed.
Turn the MENU knob to the desired
PTO Tap Step Speed setting. Press
the MENU knob to select the
desired setting.
PTO SHUTDOWN TIME
This feature is available if the
vehicle is configured for Stationary
Preset or Stationary Variable PTO,
and allows the selection of the PTO
shutdown time.
Turn the MENU knob to the desired
PTO Shutdown Time setting. Press
the MENU knob to select the
desired setting.
Black plate (18,1)
Chevrolet/GMC Duramax Diesel Supplement (GMNA Localizing-U.S./Canada-
7132827) - 2015 - crc - 6/5/14
5-18 Instruments and Controls
Vehicle Personalization (Van Models)
Your Duramax diesel vehicle may
have additional customizable
features for Power Take-Off (PTO).
See Power Take-Off (PTO) on
page 9-43. These features may
need to be enabled by your dealer.
Entering the Feature
Settings Menu
1. Turn the ignition to ON/RUN
without the engine running and
place the vehicle in P (Park).
To avoid excessive drain on the
battery, it is recommended that
the headlamps are turned off.
2. Press the customization DIC
button on the instrument panel
to scroll through the available
customizable options.
Feature Settings Menu Items
PTO STANDBY SPEED
This feature allows you to select the
PTO standby speed.
Press the customization button until
the PTO STANDBY SPEED screen
appears on the DIC display. Press
the set/reset button once to access
the settings for this feature. Then
press the customization button to
scroll through the following choices:
.
800 RPM
.
900 RPM
.
1000 RPM
.
1100 RPM
.
1200 RPM
.
1300 RPM
.
1400 RPM
.
1500 RPM
.
NO CHANGE
To select a setting, press the set/
reset button while the desired
setting is displayed on the DIC.
PTO SET 1 SPEED
This feature, available if the vehicle
is configured for Stationary Preset
PTO, allows you to select the PTO 1
set speed.
Press the customization button until
the PTO SET 1 SPEED screen
appears on the DIC display. Press
the set/reset button once to access
the settings for this feature. Then
press the customization button to
scroll through the following choices:
.
1000 RPM
.
1200 RPM
.
1400 RPM
.
1600 RPM
.
1800 RPM
.
2000 RPM
.
2200 RPM
.
2400 RPM
.
NO CHANGE
Black plate (19,1)
Chevrolet/GMC Duramax Diesel Supplement (GMNA Localizing-U.S./Canada-
7132827) - 2015 - crc - 6/5/14
Instruments and Controls 5-19
To select a setting, press the set/
reset button while the desired
setting is displayed on the DIC.
PTO SET 2 SPEED
This feature, available if the vehicle
is configured for Stationary Preset
PTO, allows you to select the PTO 2
set speed.
Press the customization button until
the PTO SET 2 SPEED screen
appears on the DIC display. Press
the set/reset button once to access
the settings for this feature. Then
press the customization button to
scroll through the following choices:
.
1800 RPM
.
2000 RPM
.
2200 RPM
.
2400 RPM
.
2600 RPM
.
2800 RPM
.
3000 RPM
.
3200 RPM
.
NO CHANGE
To select a setting, press the set/
reset button while the desired
setting is displayed on the DIC.
PTO TAP STEP
This feature, available if the vehicle
is configured for Stationary Variable
or Mobile PTO, allows you to select
the PTO tap step.
Press the customization button until
the PTO TAP STEP screen appears
on the DIC display. Press the set/
reset button once to access the
settings for this feature. Then press
the customization button to scroll
through the following choices:
.
25 RPM
.
75 RPM
.
100 RPM
.
150 RPM
.
200 RPM
.
250 RPM
.
350 RPM
.
NO CHANGE
To select a setting, press the set/
reset button while the desired
setting is displayed on the DIC.
PTO SHUTDOWN TIME
This feature, available if the vehicle
is configured for Stationary Preset
or Stationary Variable PTO, allows
you to select the PTO
shutdown time.
Press the customization button until
the PTO SHUTDOWN TIME screen
appears on the DIC display. Press
the set/reset button once to access
the settings for this feature. Then
press the customization button to
scroll through the following choices:
.
OFF
.
20 MINUTES
.
35 MINUTES
.
50 MINUTES
Black plate (20,1)
Chevrolet/GMC Duramax Diesel Supplement (GMNA Localizing-U.S./Canada-
7132827) - 2015 - crc - 6/5/14
5-20 Instruments and Controls
.
65 MINUTES
.
80 MINUTES
.
95 MINUTES
.
110 MINUTES
.
NO CHANGE
To select a setting, press the set/
reset button while the desired
setting is displayed on the DIC.
Black plate (1,1)
Chevrolet/GMC Duramax Diesel Supplement (GMNA Localizing-U.S./Canada-
7132827) - 2015 - CRC - 6/5/14
Driving and Operating 9-1
Driving and Operating
Starting and Operating
Starting the Diesel Engine . . . . 9-1
Winter Cover . . . . . . . . . . . . . . . . . . 9-5
Engine Heater . . . . . . . . . . . . . . . . . 9-9
Fuel Operated
Heater (FOH) . . . . . . . . . . . . . . . 9-10
Parking over Things
That Burn . . . . . . . . . . . . . . . . . . 9-11
Diesel Particulate Filter
Diesel Particulate Filter . . . . . . 9-11
Diesel Exhaust Fluid
Diesel Exhaust Fluid . . . . . . . . . 9-13
Fuel
Fuel for Diesel Engines . . . . . . 9-21
What Fuel to Use in
The U.S. . . . . . . . . . . . . . . . . . . . 9-21
What Fuel to Use in Canada
and Mexico . . . . . . . . . . . . . . . . . 9-26
Cold Weather Operation . . . . . 9-27
Water in Fuel . . . . . . . . . . . . . . . . 9-28
Running Out of Fuel . . . . . . . . . 9-32
Fuel Filter Replacement . . . . . 9-33
Filling the Tank . . . . . . . . . . . . . . 9-36
Filling a Portable Fuel
Container . . . . . . . . . . . . . . . . . . . 9-37
Towing
Trailer Towing . . . . . . . . . . . . . . . . 9-38
Conversions and Add-Ons
Power Take-Off (PTO) . . . . . . . 9-43
Brakes
Exhaust Brake . . . . . . . . . . . . . . . 9-20
Starting and
Operating
Starting the Diesel Engine
The diesel engine starts differently
than a gasoline engine.
Caution
{
If the steering wheel is turned
until it reaches the end of its
travel, and is held in that position
while starting the vehicle, damage
may occur to the hydraulic power
steering system and there may be
loss of power steering assist.
Move the shift lever to P (Park) or
N (Neutral). To restart the engine
when the vehicle is already moving,
use N (Neutral) only.
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