2017 Ram 3500 Chassis Cab service indicator

ONBOARD DIAGNOSTIC SYSTEM (OBD II)
Your vehicle is equipped with a sophisticated onboard
diagnostic system called OBD II. This system monitors the
performance of the emissions, engine, and automatic trans-
mission control systems. When these systems are operating
properly, your vehicle will provide excellent performance
and fuel economy, as well as engine emissions well within
current government regulations.
If any of these systems require service, the OBD II system
will turn on the “Malfunction Indicator Light (MIL).” It
will also store diagnostic codes and other information to
assist your service technician in making repairs. Although
your vehicle will usually be drivable and not need towing,
see your authorized dealer for service as soon as possible.
CAUTION!
•Prolonged driving with the MIL on could cause
further damage to the emission control system. It
could also affect fuel economy and driveability. The
vehicle must be serviced before any emissions tests
can be performed.
• If the MIL is flashing, while the engine is running,
severe catalytic converter damage and power loss
will soon occur. Immediate service is required.
Onboard Diagnostic System (OBD II) Cybersecurity
Your vehicle is required to have an Onboard Diagnostic
system (OBD II) and a connection port to allow access to
information related to the performance of your emissions
controls. Authorized service technicians may need to ac-
cess this information to assist with the diagnosis and
service of your vehicle and emissions system.
WARNING!
• ONLY an authorized service technician should con-
nect equipment to the OBD II connection port in
order to diagnose or service your vehicle.
• If unauthorized equipment is connected to the OBD
II connection port, such as a driver-behavior tracking
device, it may:
• Be possible that vehicle systems, including safety
related systems, could be impaired or a loss of
vehicle control could occur that may result in an
accident involving serious injury or death.
• Access, or allow others to access, information
stored in your vehicle systems, including personal
information.
For further information, refer to “Cybersecurity” in “Mul-
timedia”.
454 MAINTAINING YOUR VEHICLE

Loose Fuel Filler Cap Message
If the vehicle diagnostic system determines that
the fuel filler cap is loose, improperly installed,
or damaged, a loose gascap indicator will dis-
play in the instrument cluster telltale display
area. Refer to “Instrument Cluster Display” in “Under-
standing Your Instrument Panel” for further information.
Tighten the fuel filler cap properly and push the SELECT
button to turn off the message. If the problem continues,
the message will appear the next time the vehicle is started.
A loose, improperly installed, or damaged fuel filler cap
may also turn on the Malfunction Indicator Light (MIL).
EMISSIONS INSPECTION AND MAINTENANCE
PROGRAMS
In some localities, it may be a legal requirement to pass an
inspection of your vehicle’s emissions control system.
Failure to pass could prevent vehicle registration.
For states that require an Inspection and Mainte-
nance (I/M), this check verifies the “Malfunction
Indicator Light (MIL)” is functioning and is not on
when the engine is running, and that the OBD II system is
ready for testing. Normally, the OBD II system will be
ready. The OBD II
system may notbe ready if your vehicle was recently
serviced, or recently had a dead battery or a battery
replacement. If the OBD II system should be determined
not ready for the I/M test, your vehicle may fail the test.
Your vehicle has a simple ignition actuated test, which you
can use prior to going to the test station. To check if your
vehicle’s OBD II system is ready, you must do the following:
1. Cycle the ignition to the ON mode, but do not crank or
start the engine.
NOTE: If you crank or start the engine, you will have to
start this test over.
2. As soon as you cycle the ignition to the ON mode, you will see the “Malfunction Indicator Light (MIL)” symbol
come on as part of a normal bulb check.
3. Approximately 15 seconds later, one of two things will happen:
• The MIL will flash for about 10 seconds and then return
to being fully illuminated until you cycle the ignition
OFF or start the engine. This means that your vehicle’s
OBD II system is not readyand you should notproceed
to the I/M station.
7
MAINTAINING YOUR VEHICLE 455

MAINTENANCE SCHEDULE
Your vehicle is equipped with an automatic oil change
indicator system. The oil change indicator system will
remind you that it is time to take your vehicle in for
scheduled maintenance.
Based on engine operation conditions, the oil change
indicator message will illuminate. This means that service
is required for your vehicle. Operating conditions such as
frequent short-trips, trailer tow, extremely hot or cold
ambient temperatures, and E85 fuel usage will influence
when the “Oil Change Required” message is displayed.
Severe Operating Conditions can cause the change oil
message to illuminate as early as 3,500 miles (5,600 km)
since last reset. Have your vehicle serviced as soon as
possible, within the next 500 miles (805 km).
Your authorized dealer will reset the oil change indicator
message after completing the scheduled oil change. If a
scheduled oil change is performed by someone other than
your authorized dealer, the message can be reset by
referring to the steps described under “Instrument Cluster
Display” in “Understanding Your Instrument Panel” for
further information.Gasoline Engines:
Under no circumstances should oil change intervals exceed
8,000 miles (13,000 km), twelve months or 350 hours of
engine run time, whichever comes first. The 350 hours of
engine run or idle time is generally only a concern for fleet
customers.
Severe Duty:
Change Engine Oil at 4,000 miles (6,500 km) if the vehicle
is operated in a dusty and off road environment or is
operated predominately at idle or very low engine RPM’s.
This type of vehicle use is considered Severe Duty.
Once A Month Or Before A Long Trip:
•
Check engine oil level
• Check windshield washer fluid level
• Check the tire inflation pressures and look for unusual
wear or damage
• Check the fluid levels of the coolant reservoir, brake
master cylinder, power steering and automatic transmis-
sion, and fill as needed
• Check function of all interior and exterior lights
512 MAINTENANCE SCHEDULES

Maintenance Chart
Required Maintenance
Refer to the Maintenance Schedules on the following pages
for required maintenance.
At Every Oil Change Interval As Indicated By OilChange Indicator System:
•Change oil and filter.
• Rotate the tires. Rotate at the first sign of irregular
wear, even if it occurs before the oil indicator
system turns on.
• Inspect engine cooling system protection and hoses.
• Inspect exhaust system.
• Inspect engine air cleaner if using in dusty or
off-road conditions.
At Every Oil Change Interval As Indicated By Oil
Change Indicator System:
•Inspect battery and clean and tighten terminals as
required.
• Inspect automatic transmission fluid if equipped
with dipstick.
• Inspect brake pads, shoes, rotors, drums, hoses and
park brake.
• Inspect front end, and lubricate — If equipped with
serviceable fittings.
• Lube the front drive shaft fitting (4X4 models only).
8
MAINTENANCE SCHEDULES 513

Introduction................................4
Inverter Outlet (115V) ...................... .177
Jack Location ............................ .433
Jump Starting ............................ .440
Key Fob Programming Additional Key Fobs .............19
Key Fob Battery Service (Remote Keyless Entry) .....25
Key Fob Programming (Remote Keyless Entry) ......22
Key Fob, Remote Keyless Entry .................22
Key-In Reminder ............................17
Keyless Enter-N-Go ..................... .34, 326
Lock The Vehicle’s Doors ................248, 268
Passive Entry ............................34
Passive Entry Programming ...........34, 248, 268
Keyless Entry System ........................22
Key, Replacement ...........................19
Keys ....................................11
Key, Sentry (Immobilizer) ......................18
Lane Change And Turn Signals .................135
Lane Change Assist ........................ .136
Latches ..................................96
Lead Free Gasoline ........................ .402Leaks, Fluid
...............................96
Life Of Tires ............................. .389
Light Bulbs ................................96
Lights ............................... .96, 127
AirBag ......................... .55, 94, 201
Automatic Headlights .....................128
Brake Assist Warning ..................... .366
Brake Warning ......................... .202
Bulb Replacement .....................500, 501
Cap Top Clearance ...................... .505
Cargo................................ .135
Center Mounted Stop ..................... .504
Courtesy/Reading .................133, 134, 164
Cruise ............................ .221, 222
Daytime Running ....................... .129
Engine Temperature Warning ................204
Exterior ................................96
Fog .............................. .131, 503
Four-Wheel Drive Indicator .................345
Hazar

d Warning Flasher ...................430
Headlights ............................ .128
High Beam ............................ .136
High Beam/Low Beam Select ................136
Hill Descent Control Indicator ...............368
Illuminated Entry .........................21
530 INDEX

Interior..................... .132, 133, 134, 164
Low Fuel ............................. .214
Malfunction Indicator (Check Engine) ..........208
Park ................................. .219
Passing ............................... .136
Seat Belt Reminder ...................... .201
Security Alarm ......................... .203
Service ............................ .500, 501
Tire Pressure Monitoring (TPMS) ..........212, 395
Traction Control ........................ .366
Transfer Case .......................... .345
Turn Signal ....................96, 135, 220, 501
Warning (Instrument Cluster Description) . . . .204, 220
Limited-Slip Differential ..................350, 483
Loading Vehicle ........................... .407
Tires................................. .376
Load Shed Battery Saver Mode ...................... .237
Battery Saver On ........................ .237
Electrical Load Reduction ...................237
Intelligent Battery Sensor ...................237
Locks ....................................31
Automatic Door ..........................32
Child Protection ..........................33 Door
..................................31
Power Door .............................32
Low Tire Pressure System .....................395
Lubrication, Body ......................... .471
Lug Nuts ......................... .431, 437, 439
Maintenance Free Battery .....................463
Maintenance Procedures ..................... .457
Maintenance Schedule ...................... .512
Malfunction Indicator Light (Check Engine) . . . .208, 455
Manual, Service ........................... .522
Manual Transmission Fluid Level Check ....................... .484
Memory Seat ............................. .121
Methanol ............................... .403
Mirr

ors ................................. .101
Electric Powered ........................ .108
Heated ............................... .109
Memory .............................. .121
Outside .............................. .107
Rearview .......................... .101, 106
Trailer Towing ...........................111
Modifications/Alterations, Vehicle ................7
Monitor, Tire Pressure System ..................395
10
INDEX 531