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Service bulletins for the 2022 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.

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

By type

By component

By trouble code

Bulletins, newest first
S22230000632023-05-30. Service bulletin. ELECTRICAL SYSTEM. Ambient Temperature Sensor Servicing.
S23030000022023-05-30. Service bulletin. ENGINE AND ENGINE COOLING; POWER TRAIN. Ratchet Type Click, Clicking Noise Heard In Four Wheel Drive (4WD) While Turning.
S238A0000182023-05-30. Service bulletin. ELECTRICAL SYSTEM. Uconnect Box Error Message With Active Or Stored Diagnostic Trouble Codes (DTC) B22A9-96, B1570-93, B1E21-96
S238A0000162023-05-30. Service bulletin. EQUIPMENT:APPLIANCE:TV/RADIO/SPEAKERS; ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Intermittent Blank Radio Screen
91001582023-05-30. Service bulletin. ELECTRICAL SYSTEM; VISIBILITY:POWER WINDOW DEVICES AND CONTROLS. Power Window 1 Gang Before Replacing the Switch, please verify the following: 1- Check the switch internal resistance to verify the values are within specification stated in the service procedures. 2- Swap the switch with the issue with the other side. This switch is used in both rear doors. If after the swap the issue is now present at the other door and the original door position no longer has the issue, replace the switch.
08044232023-04-17. Service bulletin. ELECTRICAL SYSTEM; TRAILER HITCHES; WHEELS; BACK OVER PREVENTION; STEERING; SERVICE BRAKES, HYDRAULIC. Radio Over The Air S24.13 and S24.18 Updating to S26.17 Software Version Customers may experience one or more of the following: ? **Blank screen (Rear view camera is not affected and will still function normally).** ? Battery drain. ? Radio resets (Rear view camera will still function normally). ? Wireless connectivity device disconnect. ? CarPlayT icon does not appear in device manager. ? Climate icon missing. ? Audio disruptions. ? SXMT inoperative. ? Audio muted. ? Passenger screen blank. ? Passenger screen apps missing. ? Missing profiles icon. ? Instrument Panel Cluster (IPC) displays incorrect audio source. ? Radio is slow to respond. ? Trailer tire pressure configurations deleted. ? Steering wheel controls skipping SXMT channels. ? Recent calls not displayed. ? Phone audio playing with ignition off. The following improvements are also included with this update: ? Apple CarPlayT and Android AutoT improvements. ? Voice Recognition (VR) command improvements. ? Uconnect phone improvements. ? FOTA improvements. ? Passenger screen camera app improvements. ? Icon size/layout improvements. 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 S24.13 or S24.18 to S26.17. NOTE: The national launch for the FOTA is expected to begin November 25, 2022.
18018232023-04-17. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ENGINE AND ENGINE COOLING. Flash: Powertrain Control Module (PCM) Updates Customer or technician may experience the following: ? **Power Take Off (PTO) disable to high engine oil temperature (DD and DP Cab Chassis only)**. ? Customer may complain of slow PTO idle ramp up. ? Message will appear ?Hot Oil? and exit high idle or PTO mode, when in high idle or PTO mode and running between 10-30 minutes (no load). ? High frequency exhaust noise at idle after cold start. This bulletin involves reprogramming the PCM with the latest available software.
08040232023-04-17. Service bulletin. AIR BAGS; PARKING BRAKE; ELECTRICAL SYSTEM; VISIBILITY; BACK OVER PREVENTION; VEHICLE SPEED CONTROL. Radio Over The Air R141.01.12, 139.01.53, 136.10.04 to R145.00.15 Software Version Updates Customers may experience one or more of the following: ? **Intermittent Blue Screen (rear view camera still operable).** ? Radio wireless connectivity Inoperative. ? Screen Lockup, Slow Response (rear view camera still operable). ? Caller cannot hear the driver and/or driver cannot hear the caller. ? Cannot switch stations after a call, lockup due to the phone remaining on the call. ? Radio displays ?Code Error? or Lockup In Accessory Mode?. ? Display shows a black screen on start up (rear view camera still operable). ? SXMT presets are lost for all profiles. ? SXMT has no volume and stuck on channel. ? Radio does not allow BUS to go to sleep. ? AndroidT auto not connecting on vehicle start up. ? When radio is in light theme mode and in audio Balance/Fade menu, it is hard to see the position icon. Black on black coloring. ? Black out on SXMT after switching Profiles. ? During connecting phone radio does not handle audio source correctly when making a phone call. ? Climate buttons out of place and move to settle in correct location. ? In the shortcuts menu pulled down from the status bar, the right side arrow is highlighted as if it can be selected. ? Presets with 9Hold to Save99 numbered above 9 have text cutoff. ? Profile edit not allowed while in movement for 9Memory Seat9. ? While switching between Driver Profiles, Phone Notification Volume pops up. ? Inconsistently SiriT assistance. ? Compass does not work. ? Wireless device echo. ? Satellite antenna error message. ? Display flickers before SXMT background displayed. ? Radio 9home9 screen background is theme 1 background when Theme 2, theme 3 or theme 4 is selected. ? Mirror dimmer button when added in shortcut widget does not work while driving. ? Missing one shortcut in the custom shortcuts widget. ? Cluster does not display incoming phone call popup when in o
889372023-04-17. Service bulletin. ELECTRICAL SYSTEM. Warranty Bulletin D-22-07 Part Order Restriction Program ? Engine Control Module (ECM) ? Select 2022 and 2023 Ram 2500 Pickup (DJ), 2022 and 2023 Ram 3500 Pickup (D2), 2022 and 2023 Ram 3500 Cab Chassis (DD) and 2022 and 2023 4500/5500 Ram Cab Chassis (DP) (Rev. B)
S21080000152023-04-17. Service bulletin. ELECTRICAL SYSTEM. Uconnect Box Require Service Message
S238A0000062023-04-17. Service bulletin. ELECTRICAL SYSTEM. Radio Home Screen Not Loading
S22080000152023-04-17. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. FM/AM/SXM Presets Lost After Ignition Cycle
S14080003842023-04-17. Service bulletin. ELECTRICAL SYSTEM. Start Stop Charging Warning Lamp Illuminated On, Intelligent Battery Sensor (IBS) State of Charge (SOC) Inaccurate, Battery Charging Message, Presence of IBS related Diagnostic Trouble Codes (DTCs), or Battery Warning Lamp On
S238A0000072023-04-17. Service bulletin. STRUCTURE; ELECTRICAL SYSTEM. Radio Loss Of Communication To Body Control Module (BCM) Diagnostic trouble Code (DTC) U0140-00
08-028-232023-02-13. Service bulletin. BACK OVER PREVENTION:SOFTWARE. Radio Over The Air Updating to S26.17 Software Version Battery drain on vehicle after connecting wiTECH to vehicle. 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 S26.15 to S26.17. NOTE: National launch for this FOTA update is expected to begin February 09, 2023.
08-026-232023-02-13. Service bulletin. EQUIPMENT. RCA Amplifier Drone Noise Audible drone after initial startup or during idle. This bulletin involves replacing the amplifier.
21-002-232023-02-13. Service bulletin. POWER TRAIN; EXTERIOR LIGHTING. K1 Clutch Snap Ring Repair This bulletin involves replacing the K1 clutch drum snap ring and possibly the K1input shaft drum sub-assembly. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation, a technician may find the following DiagnosticTrouble 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/out 1st - 4th gears. 5th and reversegears are still available.
08-006-232023-02-13. Service bulletin. ELECTRICAL SYSTEM. 6.7L Cummins No Start This bulletin involves replacing the starter nut with the more conductive nut. The customer may experience the following: A long crank with no start, or a no crank, no start. NOTE: This symptom/condition is caused from a poor connection to the starter. Nut (Starter B+ Cable)
S23180000012023-02-13. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Diagnostic Trouble Code (DTC) P1400 ? Aftermarket Calibration Detected/Warranty Coverage Confirmation Required, Setting Falsely.
S1623000028 Rev.2023-02-13. Service bulletin. VEHICLE SPEED CONTROL; BACK OVER PREVENTION; POWER TRAIN; VISIBILITY; PARKING BRAKE. Outside Power Fold Rearview Mirror Noise Or Loose At Pivot. Mirror Contacts Door Window Glass In The Folded Position.
S23080000052023-02-13. Service bulletin. PARKING BRAKE; BACK OVER PREVENTION. Rear View Camera Loose Shipped Harness Connector Ends Do Not Mate, Connector Ends Are Different
S238A0000012023-02-13. Service bulletin. EQUIPMENT:ELECTRICAL. Dead Battery Appears To Be Caused By Radio, Excessive Current Draw
S1625000003 Rev.2023-02-13. Service bulletin. BACK OVER PREVENTION; EXTERIOR LIGHTING. Malfunction Indicator Lamp (MIL) Illumination. NOx Sensor Diagnostic Trouble Codes (DTCs) Diagnosis Information.
S23230000022023-02-13. Service bulletin. EQUIPMENT:ELECTRICAL. Washer Light On And Will Not Turn Off After Adding Washer Solvent.
91001222023-02-13. Service bulletin. POWER TRAIN. TRANSMISSION KIT For concerns of the transmission not shifting into/out of 1st through 4th gears or DTC P0731 refer to TSB 21-002-23 and do not order a complete transmission.

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