2022 Ram 4500 service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.
Designed for technicians and DIY owners, this manual helps you troubleshoot accurately, follow step-by-step repair procedures, and reference wiring diagrams and system sections quickly while you work.
What’s included
- Step-by-step repair procedures and service information
- Specifications and reference data (where provided)
- Wiring diagrams and electrical sections
- Powertrain, brakes, steering, suspension, HVAC and more
Trims covered
- Base Cab & Chassis - Crew Cab 4-Door
- Base Cab & Chassis - Conventional
Engines covered
- 6.4L 6424CC 392Cu. In. V8 GAS OHV Naturally Aspirated
- 6.7L 408Cu. In. l6 DIESEL OHV Turbocharged
Index / Table of contents
- Body
- Brakes
- Chassis Electrical
- Driveline
- Engine Cooling
- Engine Electrical
- Engine Mechanical
- Engine Performance & Emission Controls
- Fuel System
- General Information & Identification
- Heating, Ventilation, & Air Conditioning
- Hybrid & Electric Vehicle Systems
- Steering
- Suspension
- Transmission, Clutch, & Transfer Case
- Wiring Diagrams
Chrysler (FCA US, LLC) is recalling certain 2022 Ram 3500, 3500 Cab Chassis, Ram 2500, and 4500 and 5500 Cab Chassis vehicles equipped with Cummins 6.7L turbo diesel engines. The engine control modul
An internal loss of communication can result in a loss of drive power, increasing the risk of a cras
Dealers will replace the ECM, free of charge. Owner notification letters were mailed October 20, 20
Chrysler (FCA US, LLC) is recalling certain 2021-2022 Ram 3500, 2500 pickup trucks, and Ram 3500, 4500, and 5500 cab chassis vehicles equipped with Cummins 6.7L Turbo Diesel engines. An electrical sh
A vehicle fire increases the risk of injury.
Owners are advised to park these vehicles outside of buildings or structures, and not near other veh
Chrysler (FCA US, LLC) is recalling certain 2021-2023 Ram 2500, 3500, 3500 Cab Chassis, and 4500, 5500 Cab Chassis vehicles equipped with a Cummins 6.7L Turbo Diesel engine. An electrical short may o
An electrical short in the relay can result in an engine compartment fire with the ignition on or of
Owners are advised to park outside and away from structures until the recall repair is complete. De
Chrysler (FCA US, LLC) is recalling certain 2021-2022 Ram 1500, Ram 2500, Ram 3500, Ram 4500, and Ram 5500 vehicles. The steering column control module may cause the driver's side air bag not to deplo
A driver's side air bag that does not deploy as intended increases the risk of injury in a crash.
Dealers will replace the steering column control module, free of charge. Owner notification letters
Outside Power Fold Rearview Mirror Noise Or Loose At Pivot. Mirror Contacts Door Window Glass In The Folded Position.
On Cummins diesel applications that are for 2019 and newer the bpro part 1BP00507AB can on occasions create a check engine light. In these situations, it is recommended to use the appropriate Mopar air filter originally installed on the veh
Verify "Z" part number availability. Order a "Z" part number for all Exchange Orders, Warranty, Mopar, Customer Pay and Service Contract. Order "68" part number for New, Unsold units only.
RADIATOR - ENGINE COOLING
Replace K1 Clutch / Input Shaft Assembly Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code (DTC): P0731-00 - Gear 1 Shift Incorrect Ratio (This D
Instrument Panel Cluster (IPC) Flicker Turn By Turn The customer may experience flickering on their Instrument Panel Cluster (IPC) when the turn-by-turn feature is enabled. This issue occurs when using Google Maps for Navigation via CarPlay
Replace K1 Clutch / Input Shaft Assembly Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code (DTC): P0731-00 - Gear 1 Shift Incorrect Ratio (This D
Instrument Panel Cluster (IPC) Flicker Turn By Turn The customer may experience flickering on their Instrument Panel Cluster (IPC) when the turn-by-turn feature is enabled. This issue occurs when using Google Maps for Navigation via CarPlay
Showing the 8 most recent of 456 technical service bulletins on file with NHTSA.
I was driving my truck and when i came to a stop and tried to put it in reverse, I did not have reverse. After several attempts of moving the gear lever there was a loud clunk, then I had reverse. Th
The Aisin transmission lost 1-4 forward gears while towing a trailer. The vehicle would not go forward only would move in reverse. We were going through a weigh station at time of failure in Florida
We purchased a brand new 2022 RAM 4500 truck 07/25/2022 , at the beginning of November the truck broke down and needed a brand new transmission . It took the dealer two months to install the new trans
