Fluid
Use only Mopar® ZF 8 & 9 Speed ATF Automatic Transmission Fluid, or equivalent. Failure to use the correct fluid may affect the function or performance of your transmission.
Applies to: Automatic Transmission
Owner’s manual specs
Figures for the 2021 Ram 1500, copied from Ram’s own owner’s manual. Every one links to the manual page it came from.
Engines in this manual: 3.6L, 5.7L. Figures that differ by engine say which engine they are for.
Use only Mopar® ZF 8 & 9 Speed ATF Automatic Transmission Fluid, or equivalent. Failure to use the correct fluid may affect the function or performance of your transmission.
Applies to: Automatic Transmission
We recommend you use Mopar® Antifreeze/Coolant 10 Year/150,000 Mile (240,000 km) Formula OAT (Organic Additive Technology).
Applies to: Gasoline Engine Coolant
We recommend you use a Mopar® Engine Oil Filter. If a Mopar® Engine Oil Filter is unavailable only use filters that meet or exceed SAE/USCAR-36 Filter Performance Requirements.
Applies to: Gasoline Engine Oil Filter
MS-6395
SAE 0W-20
We recommend you use API Certified SAE 0W-20 engine oil, meeting the requirements of the manufacturer Material Standard MS-6395 such as Mopar®, Pennzoil, and Shell Helix. Refer to your engine oil filler cap for correct SAE grade.
Applies to: Engine Oil - 3.6L Engine
MS-6395
SAE 5W-20
We recommend you use API Certified SAE 5W-20 engine oil, meeting the requirements of the manufacturer Material Standard MS-6395 such as Mopar®, Pennzoil, and Shell Helix. Refer to your engine oil filler cap for correct SAE grade.
Applies to: Engine Oil - 5.7L Engine
| Service | When |
|---|---|
| Inspect the front and rear axle fluid. If gear oil leakage is suspected, check the fluid level. If using your vehicle for police, taxi, fleet, off-road or frequent trailer towing change the axle fluid. Applies to: If using your vehicle for police, taxi, fleet, off-road or frequent trailer towing change the axle fluid | Every 30,000 mi |
| Inspect the front and rear axle surfaces. If gear oil leakage is suspected, check the fluid level. If using your vehicle for police, taxi, fleet, off-road or frequent trailer towing, change axle fluid. Applies to: If using your vehicle for police, taxi, fleet, off-road or frequent trailer towing, change axle fluid | Every 30,000 mi |
Your vehicle is equipped with an engine oil change indi-
Applies to: Your vehicle is equipped with an engine oil change indi-
If the indicator message illuminates when you start the vehicle, the oil change indicator system did not reset.
External Power Distribution Center The Power Distribution Center is located in the engine compartment near the battery.
A description of each fuse and component may be stamped on the inside cover, otherwise the cavity num- ber of each fuse is stamped on the inside cover that corresponds to the following chart.
| Fuse | Amps | Protects | Source |
|---|---|---|---|
| F01 | 25A | Fuel Pump Motor | p.324 |
| F01 | 30A | Trailer Tow Receptacle | p.328 |
| F02 | — | Spare | p.324 |
| F03 | 5A | MGU | p.324 |
| F03 | 20A | Module Seat Heater Front (Pass) | p.328 |
| F04 | — | Spare | p.324 |
| F05 | 20A | Module PPU Cooling Fan | p.328 |
| F05 | — | Spare | p.324 |
| F06 | 10A | Spare | p.324 |
| F06 | — | Spare | p.328 |
| F07 | 40A | Mod CBC 3 PWR Locks | p.328 |
| F07 | — | Spare | p.324 |
| F08 | — | Spare | p.328 |
| F08 | 20A | Trailer Tow Backup | p.325 |
| F09 | — | Spare | p.328 |
| F09 | 20A | Trailer Stop / Turn Lamp Left | p.325 |
| F10 | 40A | HVAC Blower Motor | p.328 |
| F10 | 20A | Trailer Stop / Turn Lamp Right | p.325 |
| F11 | 15A | ID/CLEARANCE LIGHTS * | p.325 |
| F11 | 5A | Output to Under-hood Power Distribution Center (UPDC) Run Coil | p.328 |
| F12 | 25A | Mod Audio Amplifier / Active Noise Cancellation / SW Inverter | p.328 |
| F12 | 20A | Trailer Tow Park Lamp | p.325 |
| F13 | 20A | Mod Seat Heater Front (Driver) | p.328 |
| F13 | — | Spare | p.325 |
| F14 | 10A | AC Clutch | p.325 |
| F14 | 15A | Mod Seat Heater Front (Steering Wheel) | p.328 |
| F15 | 5A | Intelligent Battery Sensor (IBS) | p.325 |
| F15 | — | Spare | p.328 |
| F16 | — | ADCM * | p.325 |
| F16 | — | Spare | p.328 |
| F17 | 20A | Air Suspension | p.325 |
| F17 | 20A | LT Spot Lamp | p.328 |
| F18 | 15A | AGS / Rear Axle Cooling Valve / Active Air Dam | p.325 |
| F18 | 30A | Motor Sunshade Sunroof | p.328 |
| F19 | — | Spare | p.325 |
| F20 | 20A | Adjustable Pedals | p.325 |
| F20 | 20A | Comfort Rear Seat Module (CRSM) (Heat Rear RT) | p.328 |
| F21 | 30A | Power Side Step | p.325 |
| F21 | — | Spare | p.328 |
| F22 | 50A | Air Module | p.325 |
| F22 | — | Spare | p.328 |
| F23 | — | Spare | p.325 |
| F24 | 15A | Mod RF Hub / Mod Ignition / Mod Cluster CNN | p.328 |
| F24 | 20A | TCM SBW | p.325 |
| F25 | 40A | MOD CBC 4 Exterior Lights 2 | p.325 |
| F25 | 40A | Mod Integrated Trailer Brake | p.328 |
| F26 | 50A | ESP Module | p.325 |
| F26 | 15A | Mod Cluster CCN / Mod Cyber Security | p.328 |
| F27 | 30A | Front Wiper | p.325 |
| F27 | 5A | Mod Cluster CCN / Mod SGW | p.328 |
| F28 | 10A | Mod ORC | p.329 |
| F28 | 10A | PCM / ECM | p.325 |
| F29 | 40A | ESP Module | p.325 |
| F29 | 20A | Mod CRSM (Heat Rear LT) | p.329 |
| F30 | 30A | Mod DTCM / Mod Tailgate | p.329 |
| F30 | — | Spare | p.325 |
| F31 | 30A | Mod CBC 1 Interior Light | p.329 |
| F31 | — | Spare | p.325 |
| F32 | 20A | ECM / PCM | p.325 |
| F32 | 20A | RT Spot Lamp | p.329 |
| F33 | 10A | Assy Overhead Console / Switch 911 / Switch Assist / Sunshade | p.329 |
| F33 | 30A | Brake Vacuum Pump | p.326 |
| F34 | 15A | Frt & RR Ventilated Seat Motor | p.329 |
| F34 | — | Spare PCM / ECM / Power Pack Unit (PPU) Motor Generator Unit (MGU) | p.326 |
| F35 | 10A | Mod Inverter / Mtr Sunshade Sunroof / Mtr Dual Sunroof | p.329 |
| F35 | 10A | Wake Up / EPS / Active Tuned Mass Module (ATMM) / ESP | p.326 |
| F36 | 40A | Mod CBC 2 Exterior Light 1 | p.329 |
| F36 | — | Spare | p.326 |
| F37 | 5A | R / S Output to iPDC | p.326 |
| F37 | — | Spare | p.329 |
| F38 | 10A | DTCM / Active CL TEMP VLV | p.326 |
| F38 | — | Spare | p.329 |
| F39 | 15A | MOD ATMM | p.326 |
| F39 | — | Spare | p.329 |
| F40 | 20A | Dome Pursuit Vehicle Lumbar Support & Pass SW / Steering Column Control Module / HVAC Control Module / ICS Switch Bank / Upper Switch Bank Mod Transfer Case Switch Module (TCSM) / SBW / Electric Park Brake SW / Module TPM Trailer / Module Gateway Can-C Trailer TPM | p.329 |
| F40 | 40A | Starter | p.326 |
| F41 | 10A | IRCAM Heaters | p.326 |
| F42 | 20A | AUX SWITCH #5 * | p.326 |
| F42 | 10A | / Overhead Console (OHC) SW / E-Call / Bank 3 SW / Seat LT & RT Vent | p.329 |
| F43 | 20A | MGU Coolant Pump | p.326 |
| F43 | 10A | Port Diagnostics / Mod CD / Front & Rear USB | p.329 |
| F44 | 20A | Radio / DCSD / Telematics Box Mod | p.329 |
| F44 | 10A | Trailer Camera | p.326 |
| F45 | 10A | ADCM * | p.326 |
| F45 | 30A | Mod Door MUX Driver | p.329 |
| F46 | 30A | Fuel Heater | p.326 |
| F46 | 30A | Mod Door MUX Passenger | p.329 |
| F47 | 30A | Rear Defroster | p.326 |
| F47 | — | Spare Rear View Mirror / SW Window Passenger / Rear USB / Wireless | p.329 |
| F48 | — | Spare | p.326 |
| F48A | 10A | Charging Pad Mod Mod CVPM / SNSR Blind Spot / HDLP Adaptive Front Lighting Sensor | p.329 |
| F49 | 15A | (AFLS) | p.329 |
| F49 | 30A | Htr Ctrl (Diesel Only) | p.326 |
| F50 | 20A | AUX SWITCH #6 * | p.326 |
| F50A | 10A | Battery PACK Control Mod | p.330 |
| F51 | 25A | FUEL PUMP MOTOR #1 * | p.326 |
| F52 | 20A | Direct Battery Feed | p.330 |
| F52 | — | Spare | p.326 |
| F53 | 10A | Supply / Purging Pump * | p.326 |
| F53 | 10A | Trailer Reverse Steering Control / Trailer Steering Control Knob Power Outlet Center Seat Battery Fed Position Power Outlet Center Seat Ignition Fed Position | p.330 |
| F54 | 15A | PCM | p.326 |
| F55 | 15A | Right HID Headlamp | p.326 |
| F55 | 25A | Upfitter | p.330 |
| F56 | 30A | Mod Network Interface | p.330 |
| F56 | — | Spare | p.326 |
| F57 | 20A | Direct Battery Feed | p.330 |
| F57 | 20A | Horn | p.326 |
| F58 | 20A | Direct Battery Feed | p.330 |
| F58 | 25A | FUEL PUMP MOTOR #2 * | p.327 |
| F59 | 25A | Injectors / IGN Coil / Glow Plug Module | p.327 |
| F60 | 20A | ECM / PCM / ACT Short Running Valve | p.327 |
| F60 | 50A | Mod Inverter | p.330 |
| F61 | — | Spare ITBM / Mod Occupant Class / Mod IAIR Suspension / Mod HVAC / Snsr In car Temp / Rear Coolant Temp / PTS / Integrated Radar | p.330 |
| F62 | 10A | Camera Mod (IRCM) / Humidity Rain & Light Sensor (HRLS) / Parktronics System Mod (PTS) / RR Axle Coolant Temp Snsr / Gateway Can-C Trailer TPM Mod | p.330 |
| F62 | 40A | Glow Plug (DSL) / LTR Coolant Pump (TRX) | p.327 |
| F63 | 20A | NOx Sensor | p.327 |
| F63 | — | Spare | p.330 |
| F64 | 10A | PM Sensor * 2. After removing the screws, gently pull both the left and right side of the fuse panel cover to release the fastener clips. Interior Fuse Box Location Fuse Panel Screws Location 3. Reverse the procedure to reinstall the fuse panel cover. | p.327 |
| F64 | — | Spare | p.330 |
| F65 | 10A | Mod ORC | p.330 |
| F66 | 10A | Run - Accessory Feed | p.330 |
Diagrams and printed legends we can’t host. Check the box name printed on a diagram before counting positions.