2023 Ram 3500 Service and Repair Manual
2023 Ram 3500 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
- Tradesman Cab & Chassis 4-Door
- Limited Longhorn Cab & Chassis 4-Door
- Laramie Cab & Chassis 4-Door
- Limited Longhorn Extended Crew Cab Pickup 4-Door
- Big Horn Extended Crew Cab Pickup 4-Door
- Big Horn Standard Cab Pickup 2-Door
- Limited Crew Cab Pickup 4-Door
- SLT Cab & Chassis 4-Door
- Limited Longhorn Crew Cab Pickup 4-Door
- Tradesman Cab & Chassis 2-Door
- Limited Extended Crew Cab Pickup 4-Door
- Tradesman Crew Cab Pickup 4-Door
- SLT Cab & Chassis 2-Door
- Big Horn Crew Cab Pickup 4-Door
- Laramie Crew Cab Pickup 4-Door
- Limited Cab & Chassis 4-Door
- Laramie Extended Crew Cab Pickup 4-Door
- Tradesman Standard Cab Pickup 2-Door
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 2023 Ram 1500 Classic, Ram 3500 Classic, 3500 Cab Chassis, 2023-2024 Ram 2500, 4500/5500 Cab Chassis, and Ram 3500 vehicles. The steering column control mo
Turn signals and/or high beams that do not function as intended may cause confusion or reduced visib
Dealers will update the steering column control module (SCCM) software, and inspect and replace the
Chrysler (FCA US, LLC) is recalling certain 2022-2023 Ram 1500, Ram 3500 Cab Chassis with GVWR less than 10,000 lbs., and 2022-2024 Ram 2500 vehicles. The radio software may prevent the rearview imag
A rearview camera that does not display an image reduces the driver's rear view, increasing the risk
Dealers will update the radio software, free of charge. Owner notification letters were mailed Octo
Chrysler (FCA US, LLC) (Stellantis) is recalling certain 2023-2024 Ram 1500, Jeep Wrangler, Jeep Wagoneer, Jeep Grand Wagoneer, Chrysler Pacifica, Ram 3500, Ram 3500 cab chassis, Ram 2500, Ram 4500 ca
An air bag that does not deploy in a crash can increase the risk of injury.
Dealers will inspect and replace the steering column control module, as necessary free of charge. S
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 2023 Ram 1500, 2500, and 3500 vehicles. An insufficient weld in the transmission control unit can allow transmission fluid to leak on to electrical compone
A loss of drive power or a loss of park function increase the risk of a crash.
Dealers will replace the valve body and control unit, free of charge. Owner notification letters ar
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
Radio Message "Power Surge On USB Detected" Customers may comment on the following: The radio displays the message: Power surge on USB hub detected Fig. 1. NOTE: After the message appears, no USB devices function in the hub (no charging, no
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
Radio Message "Power Surge On USB Detected" Customers may comment on the following: The radio displays the message: Power surge on USB hub detected Fig. 1. NOTE: After the message appears, no USB devices function in the hub (no charging, no
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 343 technical service bulletins on file with NHTSA.
The contact owns a 2023 Ram Promaster 3500. The contact received notification of NHTSA Campaign Number: 25V720000 (Engine and Engine Cooling); however, the part to do the recall repair was unavailable
high beam lights turn on when left turn signal is activated
What component or system failed or malfunctioned, and is it available for inspection upon request? Vehicle was manufactured from the factory with defective frame/left upper coil spring mount causing t
Despite having taken my 2023 Ram 3500 HD truck to the Ram dealer 3 times for the same recall, the issue still persists. The recall in question is B2A/NHTSA 23V-799 related to a malfunctioning SCCM tha
Despite having taken my 2023 Ram 3500 HD truck to the Ram dealer 3 times for the same recall, the issue still persists. The recall in question is B2A/NHTSA 23V-799 related to a malfunctioning SCCM tha
Showing the 5 most serious of 17 complaints filed with NHTSA.
