battery RAM 1500 2023 Workshop Manual

338SERVICING AND MAINTENANCE
5.7L ENGINE WITHOUT STOP/START
1 — Engine Air Cleaner Filter 6 — Battery
2 — Engine Coolant Pressure Cap 7 — Engine Coolant Reservoir Cap
3 — Engine Oil Fill 8 — Washer Fluid Reservoir Cap
4 — Engine Oil Dipstick 9 — Power Distribution Center (Fuses)
5 — Brake Fluid Reservoir Cap

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SERVICING AND MAINTENANCE339
5.7L ENGINE WITH STOP/START
1 — Engine Air Cleaner Filter 6 — Battery
2 — Engine Coolant Pressure Cap 7 — Engine Coolant Reservoir Cap
3 — Engine Oil Fill 8 — Washer Fluid Reservoir Cap
4 — Engine Oil Dipstick 9 — Power Distribution Center (Fuses)
5 — Brake Fluid Reservoir Cap
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340SERVICING AND MAINTENANCE
CHECKING OIL LEVEL
To ensure proper engine lubrication, the engine oil must
be maintained at the correct level. Check the oil level at
regular intervals, such as every fuel stop. The best time to
check the engine oil level is about five minutes after a fully
warmed up engine is shut off.
Checking the oil while the vehicle is on level ground will
improve the accuracy of the oil level readings.
There are four possible dipstick types:
Crosshatched zone.
 Crosshatched zone marked SAFE.
 Crosshatched zone marked with MIN at the low end of
the range and MAX at the high end of the range.
 Crosshatched zone marked with dimples at the MIN
and the MAX ends of the range.
NOTE:Always maintain the oil level within the crosshatch
markings on the dipstick.
Adding 1 qt (1.0 L) of oil when the reading is at the low end
of the dipstick range will raise the oil level to the high end
of the range marking.
ADDING WASHER FLUID
The fluid reservoir is located under the hood and the fluid
level should be checked at regular intervals. Fill the
reservoir with windshield washer solvent only (not radiator
antifreeze). When refilling the washer fluid reservoir, take
some washer fluid and apply it to a cloth or towel and wipe
the wiper blades clean. This will help blade performance.
To prevent freeze-up of your windshield washer system in
cold weather, select a solution or mixture that meets or
exceeds the temperature range of your climate. This rating
information can be found on most washer fluid containers.
After the engine has warmed up, operate the defroster for
a few minutes to reduce the possibility of smearing or
freezing the fluid on the cold windshield. Windshield
washer solution used with water as directed on the
container, aids cleaning action, reduces the freezing point
to avoid line clogging, and is not harmful to paint or trim.
MAINTENANCE-FREE BATTERY
Your vehicle is equipped with a maintenance-free battery.
You will never have to add water, and periodic
maintenance is not required.
CAUTION!
Overfilling or underfilling the crankcase will cause oil
aeration or loss of oil pressure. This could damage
your engine.
WARNING!
Commercially available windshield washer solvents are
flammable. They could ignite and burn you. Care must
be exercised when filling or working around the washer
solution.
WARNING!
Battery fluid is a corrosive acid solution and can burn
or even blind you. Do not allow battery fluid to
contact your eyes, skin, or clothing. Do not lean over
a battery when attaching clamps. If acid splashes in
eyes or on skin, flush the area immediately with large
amounts of water
Úpage 325.
 Battery gas is flammable and explosive. Keep flame
or sparks away from the battery. Do not use a
booster battery or any other booster source with an
output greater than 12 Volts. Do not allow cable
clamps to touch each other.
 Battery posts, terminals, and related accessories
contain lead and lead compounds. Wash hands after
handling.

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SERVICING AND MAINTENANCE341
PRESSURE WASHING
Cleaning the engine compartment with a high pressure
washer is not recommended.
VEHICLE MAINTENANCE
An authorized dealer has the qualified service personnel,
special tools, and equipment to perform all service
operations in an expert manner. Service Manuals are
available which include detailed service information for
your vehicle. Refer to these Service Manuals before
attempting any procedure yourself.
NOTE:Intentional tampering with emissions control systems may
void your warranty and could result in civil penalties being
assessed against you.
ENGINE OIL
Engine Oil Selection
Use only the manufacturer's recommended fluids Úpage 396.
NOTE:Hemi engines (5.7L) at times can tick right after startup
and then quiet down after approximately 30 seconds. This
is normal and will not harm the engine. This characteristic
can be caused by short drive cycles. For example, if the
vehicle is started then shut off after driving a short
distance. Upon restarting, you may experience a ticking
sound. Other causes could be if the vehicle is unused for
an extended period of time, incorrect oil, extended oil
changes or extended idling. If the engine continues to tick
or if the Malfunction Indicator Light (MIL) comes on, see
the nearest authorized dealer.
American Petroleum Institute (API)
Approved Engine Oil
These symbols mean that the oil has been certified by the
API. The manufacturer only recommends API trademark
oils.
The API Starburst trademark certifies 0W-20,
0W-30 and 5W-30 engine oils.
The API Donut trademark certifies 0W-40 and
5W-40 engine oil.
CAUTION!
It is essential when replacing the cables on the
battery that the positive cable is attached to the posi -
tive post and the negative cable is attached to the
negative post. Battery posts are marked positive (+)
and negative (-) and are identified on the battery
case. Cable clamps should be tight on the terminal
posts and free of corrosion.
 If a “fast charger” is used while the battery is in the
vehicle, disconnect both vehicle battery cables
before connecting the charger to the battery. Do not
use a “fast charger” to provide starting voltage.
CAUTION!
Precautions have been taken to safeguard all parts and
connections however, the pressures generated by these
machines is such that complete protection against
water ingress cannot be guaranteed.
WARNING!
You can be badly injured working on or around a motor
vehicle. Only do service work for which you have the
knowledge and the proper equipment. If you have any
doubt about your ability to perform a service job, take
your vehicle to a competent mechanic.
CAUTION!
Do not use chemical flushes in your engine oil as the
chemicals can damage your engine. Such damage is
not covered by the New Vehicle Limited Warranty.
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SERVICING AND MAINTENANCE355
The fuses protect electrical systems against excessive
current.
When a device does not work, you must check the fuse
element inside the blade fuse for a break/melt.
Also, please be aware that using power outlets for
extended periods of time with the engine off may result in
vehicle battery discharge.

Blade Fuses

Underhood Power Distribution Center
The Power Distribution Center is located in the engine
compartment near the battery. This center contains
cartridge fuses, micro fuses, relays, and circuit breakers.
A description of each fuse and component may be
stamped on the inside cover, otherwise the cavity number
of each fuse is stamped on the inside cover that
corresponds to the following chart.CAUTION!
If it is necessary to wash the engine compartment, take
care not to directly hit the fuse box, and the windshield
wiper motors with water.
1 — Fuse Element
2 — Blade Fuse with a good/functional fuse element
3 — Blade Fuse with a bad/not functional fuse element
(blown fuse)
CAUTION!
When installing the power distribution center cover, it is
important to ensure the cover is properly positioned
and fully latched. Failure to do so may allow water to get
into the power distribution center and possibly result in
an electrical system failure.
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SERVICING AND MAINTENANCE357
CavityCartridge Fuse Micro Fuse Description
* If Equipped
F01 –25 Amp ClearFuel Pump Motor / Assy Fuel Tank
F02 ––Spare *
F03 –5 Amp TanMGU *
F04 ––Spare *
F05 ––Spare *
F06 –10 Amp RedOUTPUT TO UPFITTER PDC *
F07 ––Spare *
F08 20 Amp Blue –Trailer Tow Backup
F09 –20 Amp Yellow Trailer Stop / Turn Lamp Left
F10 –20 Amp Yellow Trailer Stop / Turn Lamp Right
F11 –15 Amp BlueID/CLEARANCE LIGHTS *
F12 20 Amp Blue –Trailer Tow Park Lamp
F13 ––Spare *
F14 –10 Amp RedAC Clutch
F15 –5 Amp TanIntelligent Battery Sensor (IBS)
F16 ––Spare *
F17 –20 Amp Yellow Air Suspension
F18 –15 Amp BlueAGS / Rear Axle Cooling Valve / Active Air Dam
F19 ––Spare *
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SERVICING AND MAINTENANCE363
F41 A&B –15 Amp BlueLumbar Support & Pass SW / Steering Column Control Module / HVAC
Control Module / ICS Switch Bank / Upper Switch Bank
F42 A&B –10 Amp RedMod Transfer Case Switch Module (TCSM) / SBW / Electric Park Brake
SW / Module TPM Trailer / Module Gateway Can-C Trailer TPM / Seat
LT & RT Vent
F43 A&B –10 Amp RedPort Diagnostics / Front & Rear USB
F44 –20 Amp Yellow Radio / DCSD / Telematics Box Mod / Trailer Gateway Module (360)
F45 30 Amp Pink –Mod Door MUX Driver
F46 30 Amp Pink –Mod Door MUX Passenger
F47 ––Spare
F48A –10 Amp RedRear View Mirror / SW Window Passenger / Rear USB / Wireless
Charging Pad Mod
F49 –15 Amp BlueMod CVPM / SNSR Blind Spot / HDLP Adaptive Front Lighting Sensor
(AFLS)
F50A –10 Amp RedBattery PACK Control Mod (BPCM) *
F51 A&B ––Spare
F52 20 Amp Blue –Direct Battery Feed *
F53 –10 Amp RedTrailer Reverse Steering Control / Trailer Steering Control Knob
F54 A&B –20 Amp YellowPower Outlet Center Seat Battery Feed Position
Power Outlet Center Seat Ignition Feed Position
F55 25 Amp White –Upfitter *
F56 30 Amp Pink –Mod Network Interface *
F57 20 Amp Blue –Direct Battery Feed *
Cavity Cartridge Fuse Micro Fuse Description
* If Equipped
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364SERVICING AND MAINTENANCE
Circuit BreakersF58
20 Amp Blue –Direct Battery Feed *
F60 50 Amp Red –Mod Inverter *
F61 ––Spare
F62 A&B –10 Amp RedITBM / Mod Occupant Class / Mod IAIR Suspension / Mod HVAC / Snsr
In car Temp / Integrated Radar Camera Mod (IRCM) / Humidity Rain &
Light Sensor (HRLS) / Parktronics System Mod (PTS) / Gateway Can-C
Trailer TPM Mod
F63 ––Spare
F64 ––Spare
F65 –10 Amp RedMod ORC
F66 –10 Amp RedRun - Accessory Feed
Cavity Cartridge Fuse Micro Fuse Description
* If Equipped
Cavity Circuit Breaker Description
CB125 AmpDriver Window SW Rear PWR Windows / Overhead SW Rear
Defrost
CB2 25 AmpDriver PWR Seat / Driver Seat Memory Mod
CB3 25 AmpPassenger Power Seat / Passenger Seat Memory Mod

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366SERVICING AND MAINTENANCE
Replacing Exterior Bulbs
BASE QUAD: LOW BEAM HEADLAMP, HIGH
BEAM HEADLAMP, FRONT PARK AND TURN —
IF EQUIPPED
Low Beam
See the following steps to replace:

1. Open the hood.

2. Disconnect and isolate the negative battery cable.
3. Locate the low beam access cover, which can be
found on the back side of the headlamps.

Low Beam Headlight Cover
NOTE:
It may be necessary to remove/reposition Air Cleaner
Assembly to access passenger side headlamp/side
marker light bulbs.
4. Disengage the bulb access cover by rotating counter
-
clockwise.
5. Disconnect the internal lamp wiring harness connector from the low beam bulb.
Front Fog Lamps
LED
Side Indicators (Front And Side View Mirror – If Equipped) LED
Base Rear Tail/Turn and Stop Lamp 7440LL/W21WLL
Premium Rear Tail/Turn/Backup and Stop Lamp LED
Base Backup Lamp 7440/W21W
Center High Mounted Stop Lamp (CHMSL) 921
Cargo Lamp 921
Rear License Plate Lamp LED
Base Turn Lamp 7440NA / WY21W
Exterior Bulbs
Bulb Name Bulb Number

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SERVICING AND MAINTENANCE367
6. Rotate the bulb counterclockwise a quarter turn to
unlock the bulb from the lamp.
7. Pull the bulb straight out from the housing.
8. Reverse the procedure for installation of new bulb and covers.
High Beam

High Beam Headlight Cover

See the following steps to replace:

1. Open the hood.

2. Disconnect and isolate the negative battery cable.
3. Locate the high beam access cover, which can be found on the back side of the headlamps.
NOTE:It may be necessary to remove/reposition Air Cleaner
Assembly to access passenger side headlamp/side
marker light bulbs.
4. Reach behind the headlamp and disengage the access cover by rotating counterclockwise.
5. Disconnect the internal lamp wiring harness connector from the high beam bulb.
6. Rotate the bulb counterclockwise a quarter turn to unlock the bulb from the lamp.
7. Pull the bulb straight out from the housing.
8. Reverse the procedure for installation of new bulb and cover. Front Park And Turn
See the following steps to replace:

1. Open the hood.

2. Disconnect and isolate the negative battery cable.
3. Locate the park and turn socket, which can be found
on the back side of the headlamps.

Park And Turn Socket

4. Reach behind the headlamp and unlock the park and turn socket from the lamp by rotating counter -
clockwise a quarter turn.
5. Pull the bulb straight out from the housing.
6. Separate the bulb from the socket without twisting.
7. Reverse the procedure for installation of new bulb and covers.
CAUTION!
Do not contaminate the bulb glass by touching it with
your fingers or by allowing it to contact other oily
surfaces. Shortened bulb life will result.
 Always use the correct bulb size and type for replace -
ment. An incorrect bulb size or type may overheat
and cause damage to the lamp, the bulb socket, or
the lamp wiring.
CAUTION!
 Do not contaminate the bulb glass by touching it with
your fingers or by allowing it to contact other oily
surfaces. Shortened bulb life will result.
 Always use the correct bulb size and type for
replacement. An incorrect bulb size or type may
overheat and cause damage to the lamp, the bulb
socket, or the lamp wiring.
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