2022 RAM 1500 maintenance

434SERVICING AND MAINTENANCE
Internal Fuse Chart
Cavity Cartridge Fuse Micro Fuse Description
* If Equipped
F01 30 Amp Pink –Trailer Tow Receptacle
F02 ––Spare
F03 –20 Amp Yellow Module Seat Heater Front (Pass)
F04 ––Spare
F05 –20 Amp Yellow Module PPU Cooling Fan *
F06 ––Spare
F07 40 Amp Green –Mod CBC 3 PWR Locks
F08 ––Spare
F09 ––Spare
F10 40 Amp Green –HVAC Blower Motor
F11 –5 Amp TanOutput to Under-hood Power Distribution Center (UPDC) Run
Coil
F12 –25 Amp Clear Mod Audio Amplifier / Active Noise Cancellation
F13 –20 Amp Yellow Mod Seat Heater Front (Driver)
F14 –15 Amp Blue Mod Seat Heater Front (Steering Wheel)
F15 ––Spare
F16 ––Spare
F17 –20 Amp Yellow LT Spot Lamp *
F18 30 Amp Pink –Motor Sunshade Sunroof

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SERVICING AND MAINTENANCE435
F19 ––Spare
F20 –20 Amp Yellow Comfort Rear Seat Module (CRSM) (Heat Rear RT)
F21 ––Spare
F22 ––Spare
F23 ––Spare
F24 –15 Amp Blue Mod RF Hub / Mod Ignition / Mod Cluster CNN
F25 40 Amp Green –Mod Integrated Trailer Brake
F26 –15 Amp BlueMod Cluster CCN / Mod Cyber Security / Trailer Gateway
Module (360 Camera)
F27 –5 Amp Tan Mod Cluster CCN / Mod SGW
F28 –10 Amp Red Mod ORC
F29 –20 Amp Yellow Mod CRSM (Heat Rear LT)
F30 30 Amp Pink –Mod DTCM / Mod Tailgate
F31 30 Amp Pink –Mod CBC 1 Interior Light
F32 –20 Amp Yellow RT Spot Lamp *
F33 –10 Amp RedAssy Overhead Console / Switch 911 / Switch Assist /
Sunshade / HUD
F34 –15 Amp Blue Frt & RR Ventilated Seat Motor
F35 –10 Amp RedMod Inverter / Mtr Sunshade Sunroof / Mtr Dual Sunroof /
USB Charge Only
F36 40 Amp Green –Mod CBC 2 Exterior Light 1
Cavity Cartridge Fuse Micro Fuse Description
* If Equipped
8

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436SERVICING AND MAINTENANCE
F37 ––Spare
F38 ––Spare
F39 ––Spare
F40 20 Amp Blue –Dome Pursuit Vehicle *
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 Red Port Diagnostics / Front & Rear USB
F44 –20 Amp YellowRadio / 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 Red Battery PACK Control Mod *
F51 A&B ––Spare
Cavity Cartridge Fuse Micro Fuse Description
* If Equipped

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SERVICING AND MAINTENANCE437
F52 20 Amp Blue –Direct Battery Feed *
F53 –10 Amp RedTrailer Reverse Steering Control / Trailer Steering Control
Knob
F54A & F54B –20 Amp YellowPower Outlet Center Seat Battery Fed Position
Power Outlet Center Seat Ignition Fed Position
F55 25 Amp White –Upfitter *
F56 30 Amp Pink –Mod Network Interface *
F57 20 Amp Blue –Direct Battery Feed *
F58 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 Red Mod ORC
F66 –10 Amp Red Run - Accessory Feed
CavityCartridge Fuse Micro Fuse Description
* If Equipped
8

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438SERVICING AND MAINTENANCE
Circuit Breakers
BULB REPLACEMENT
Replacement Bulbs, Names, And Part Numbers
In the instance a bulb needs to be replaced, this section includes bulb description and replacement part numbers. All of the inside bulbs are brass or glass-wedge
base. Aluminum base bulbs are not approved.
NOTE:See an authorized dealer for LED bulb replacement.
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
Interior Bulbs
Bulb Name Bulb Number
Overhead Console Lamps TS 212–9
Dome Lamp 7679
NOTE:For lighted switches, see an authorized dealer for replacement instructions.

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SERVICING AND MAINTENANCE439
Exterior Bulbs
Bulb Name Bulb Number
Low Beam (Halogen Reflector Headlamp) H11LL
High Beam (Halogen Reflector Headlamp) 9005LL
Low & High Beam (LED Reflector Headlamp) LED (Serviced at an authorized dealer)
Low & High Beam (LED Projector Headlamp) LED (Serviced at an authorized dealer)
Turn Signal / Front Position (Halogen Reflector Headlamp) 7444NA
Turn Signal / Front Position (LED Headlamps) LED (Serviced at an authorized dealer)
Front Side Marker (Halogen Reflector Headlamp) W5W
Front Side Marker (LED Headlamps) LED (Serviced at an authorized dealer)
Front Fog Lamps (Halogen Reflector Headlamp) H11LL
Front Fog Lamps (LED Headlamps) LED (Serviced at an authorized dealer)
Side Indicators (Front And Side View Mirror) LED (Serviced at an authorized dealer)
Base Rear Tail/Turn and Stop Lamp 7440LL/W21WLL
Premium Rear Tail/Turn/Backup and Stop Lamp LED (Serviced at an authorized dealer)
Base Backup Lamp 7440/W21W
Center High Mounted Stop Lamp (CHMSL) 921
Cargo Lamp 921
Rear License Plate Lamp LED (Serviced at an authorized dealer)
Base Turn Lamp 7440NA / WY21W
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440SERVICING AND MAINTENANCE
Replacing Exterior Bulbs
BASE QUAD: LOW BEAM HEADLAMP, HIGH
BEAM HEADLAMP, FRONT PARK AND TURN —
IF EQUIPPED
Low Beam
See below 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 counterclockwise.
5. Disconnect the internal lamp wiring harness connector from the low 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 covers. High Beam

High Beam Headlight Cover

See below 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.
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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SERVICING AND MAINTENANCE441
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 below 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
counterclockwise 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.
Side Marker Lamp
See below steps to replace:

1. Open the hood.

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

Side Marker Lamp

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.
8

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