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Service bulletins for the 2023 Ram 4500

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

294 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Bulletins, newest first
08209232023-10-02. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Radio Over The Air Update from S24.6, S26.15 and T25.43 to T25.48 Software Version Customer may experience one or more of the following: ? Ambient Light Setting inoperable. ? Radio reset (Rearview camera functions normally). ? Voice Recognition (VR) inoperable. ? Audio sources inoperable. ? Wireless CarPlayT inoperable. ? Setting preferences not saved on correct profile. ? Audio loss. This bulletin provides information regarding the latest Firmware Over The Air (FOTA) update and provides the service technician an overview of the steps a customer will need to take to complete the update. The radio software will be updated from S24.6, S26.15 and T25.43 to T25.48. NOTE: The National campaign for this FOTA update is estimated to be launched on September 29, 2023.
24006232023-10-02. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. A/C Diagnostic LOP Change
21002232023-10-02. Service bulletin. POWER TRAIN. K1 Clutch Snap Ring Repair Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation, a technician may find the following Diagnostic Trouble Code (DTC) has been set: ? P0731-00 - Gear 1 Shift Incorrect Ratio (This DTC will set during a key cycle and shifting into Drive). Customers may also comment on the following: ? The transmission will not shift into/or out of 1st - 4th gears. 5th and reverse gears are still available. This bulletin involves replacing the K1 clutch drum snap ring and possibly the K1 input shaft drum subassembly.
08190232023-10-02. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Radio Over The Air Software Update to R255.45.06 Customers may experience one or more of the following: ? No sound heard when Assist & SOS Call is established. ? Balance/Fade does not stay on when setup by one press. ? Wireless Phone interface freezes after User accepts incoming call when in a conference call. ? System switches to Wireless after key cycle, profile change, theme change, or theme mode change. ? After overnight sleep cycle defrost vent and dash vent are cut off due to duplicate front defrost. ? Surround sound image loads incorrectly when activating with Android Auto?. ? Radio plays different SXMT station than user selected. ? After a software update, previously added widgets to Shortcuts show up as "Couldn?t add widget". ? SXMT presets greyed out, non-functional and audio intermittently fades in and out. ? Switch between the Cargo Camera screen and the AUX camera screen while switching between Night/Day modes, camera image may not be displayed. (Rearview camera functions normally). ? Deleting songs from Artist & Song Notifications, then Sports announcement displayed and "X" to cancel freezes screen. (Rearview camera functions normally). ? After a long sleep cycle, the left menu bar showing SXMT station categories (i.e. For You, Music, Sports, News, Presets) does not display all categories. ? When playing SXMT, after switching to a profile with a different Theme Mode, starting Bus Sleep cycle causes Presets Shown to change from 20 to 15. (Rearview camera functions normally). ? When call received from another vehicle, the voice of the receiving end is echoed back, the caller?s vehicle has no echo issue. ? No response from Browse hard key when SXMT source is selected. ? Screen graphics/Theme -Shortcut widgets show up as "Loading", even after full sleep cycle. ? Android Auto? - Call duration displayed on status bar notification area is different than the actual duration. Widget view and Android Auto? screen are s
931202023-10-02. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. FCA Caribbean Warranty Bulletin ID-23-20 "Can / Am" Warranty Coverage - 594 / 595 / 596 WCC
930232023-10-02. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Warranty Bulletin D-16-03 - "Can / Am" Warranty Coverage - 594 / 595 / 596 WCC (Rev. B)
S23080001082023-10-02. Service bulletin. TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS. The technician and owner would like to add a tire pressure monitoring system to a cab chassis vehicle.
S238A0000432023-10-02. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. SiriusXM (SXM) Advertisements Pop Up On Radio
S18080000972023-10-02. Service bulletin. BACK OVER PREVENTION:DISPLAY FUNCTION; BACK OVER PREVENTION. Back-Up Camera Inoperative Complaints, Radio Display Blue or Blank When Placed in Reverse
S238A0000372023-10-02. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; UNKNOWN OR OTHER. Radio Resets Intermittently After A Screech Or Buzz Sound
08139232023-09-25. Service bulletin. ELECTRICAL SYSTEM. Telematics Box Module (TBM) Over The Air Software Update to 5.39.1 Customers may experience one or more of the following: ? Uconnect Box Message at startup. ? Uconnect Box Error or Requires Service Message. ? Connectivity: Diagnostic Trouble Codes (DTCs) for Electronic Control Modules (ECUs) won?t be shown to customer through the Vehicle Health alert (Mobile app or email). This bulletin provides information regarding the latest Firmware Over The Air (FOTA) update and provides the service technician an overview of the steps a customer will need to take to complete the update. The TBM software will be updated from **5.13 and** 5.25 to 5.39.1.
08176232023-09-25. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM. Flash: Body Control Module (BCM) Updates Customers may experience the following: ? Unable to turn the Electronic Stability Control (ESC) OFF. This feature is ON by default. This bulletin involves reprogramming the BCM module with the latest available software.
09013232023-09-25. Service bulletin. ENGINE AND ENGINE COOLING. 6.7L New Oil Usage Information Incorrect oil used. This bulletin provides information regarding the correct oil grade to use on the 6.7L Cummins used in the 2023 to 2013 HD Trucks. The following information is intended to eliminate confusion.
08162232023-09-25. Service bulletin. ELECTRICAL SYSTEM. Flash: Global Telematics Box Module (TBM) Update to 5.39.1 The customer may experience the one or more of the following: ? Uconnect Box Message at Startup. ? Uconnect Box Error Or Requires Service Message. ? Uconnect Mobile App trunk status showing as closed when trunk is open. ? Diagnostic Trouble Codes (DTCs) for Electronic Control Modules (ECUs) won?t be shown to customer through the Vehicle Health alert (Mobile App or email). The TBM software will be updated from 5.25 to 5.39.1.
18082232023-09-25. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Flash: Powertrain Control Module (PCM) Updates Customers may experience the following: ? Cruise control inoperative. This bulletin involves reprogramming the PCM with the latest available software.
S21090000112023-09-25. Service bulletin. ENGINE AND ENGINE COOLING. Squeak, Chirp, Or Tick Noise From The Serpentine Belt Area. Additional Diagnostics.
S238A0000342023-09-25. Service bulletin. ELECTRICAL SYSTEM:WIRING:CONNECTORS/PLUGS:ACCESORY POWER OUTLET/JACK/PORT/USB/SAE/CIGARETTE LIGHTER. USB Hub In-Operable
S22080000112023-09-25. Service bulletin. EQUIPMENT:ELECTRICAL. Wireless Qi Charger Not Charging
S238A0000302023-09-25. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE; EQUIPMENT:ELECTRICAL:INFOTAINMENT. Apple CarPlay Not Working Or Disconnecting After Updating To iOS 16.3.1 Or Above
91001962023-09-25. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Lubrication and Maintenance Fluids If MOPAR fluids and chemicals are not readily available, please review Service Library for specifications so a suitable alternative can be used
91001602023-08-21. Service bulletin. VISIBILITY:POWER WINDOW DEVICES AND CONTROLS; ELECTRICAL SYSTEM. Power wndow switch passenger
24006232023-08-21. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. A/C Diagnostic LOP Change (Except Alfa Romeo Vehicles)
08155232023-08-21. Service bulletin. ELECTRICAL SYSTEM. Electronic Vehicle Information Center (EVIC) Switch Inoperative The customer may experience one or more of the following: ? Steering Wheel EVIC Switch used to Navigate Cluster Menu is Inoperative. ? No Illumination. ? No Response to button press. This bulletin involves performing a power reset to activate/awaken the EVIC buttons.
18023232023-08-21. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Flash: Powertrain Control Module (PCM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs) have been set: ? **P1CEA-00 - Boost Side EVAP Purge System Performance.** ? P2300-00 - Ignition Coil A Primary Control Circuit Low. ? P2303-00 - Ignition Coil B Primary Control Circuit Low. ? P2306-00 - Ignition Coil C Primary Control Circuit Low. ? P2309-00 - Ignition Coil D Primary Control Circuit Low. ? P1CEA-00 - Boost Side EVAP Purge System Performance. This bulletin involves reprogramming the PCM with the latest available software.
23080232023-08-21. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. Intermittently Poor HVAC Performance Customers may comment on the following: ? Intermittently the HVAC blow feel/output maybe reduced. This issue only happens in temperature that are just below freezing and snowing. This bulletin involves removing the right side rubber flaps from the cowl baffles.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.