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Service bulletins for the 2023 Ram 1500

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.

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

By type

By component

By trouble code

By topic

Bulletins, newest first
S23090000022023-07-31. Service bulletin. ENGINE AND ENGINE COOLING. MIL lamp-on. Engine noise, rattle. Misfire or rough running.
S23230000212023-07-31. Service bulletin. ENGINE AND ENGINE COOLING. Clunk Noise From Front End Driving Between 15 And 35 MPH And When Decelerating. C0604- Active Air Dam Control Performance
S23030000042023-07-31. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. Service 4WD Message, Front Axle Disconnect (FAD) Diagnostic Trouble Codes (DTCs) Set.
S238A0000242023-07-31. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT; EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE. SOS, Assistance Calls Not Successful After Radio Replacement or Radio Software Update
S238A0000212023-07-31. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT. Radio Display Screen Blank Or Screen Cuts In And Out
9100153A2023-07-31. Service bulletin. EQUIPMENT:ELECTRICAL. B2768-49 Right Impact Pressure Sensor-Internal Failure, prior to replacement of any components please contact FCA Redacted Content for further assistance. If no response in 15 minutes, proceed with repair.
07007232023-07-31. Service bulletin. ENGINE AND ENGINE COOLING. Water Quality When Mixed With Engine Coolant
09009232023-07-31. Service bulletin. ENGINE AND ENGINE COOLING. Engine Ticking Noise Engine makes an abnormal ticking noise. There may be Diagnostic Trouble Codes (DTC)s present. This bulletin involves inspecting and if needed, replacing the intake HLAs. NOTE: **ALL VEHICLES ON THE RSU VIN LIST REQUIRE ALL 12 INTAKE HYDRAULIC LASH ADJUSTERS TO BE REPLACED**.
90040732023-07-31. Service bulletin. BACK OVER PREVENTION; WHEELS. SENSOR, Wheel Speed When replacing a front wheel speed sensor, hold the convolute towards the sensor head and add a zip tie over the convolute to secure it with the sensor pigtail wire to prevent movement. This will protect the wire from the brake splash shield.
91001432023-07-31. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:CRANK/CAMSHAFT POSITION SENSOR. PSU right intake camshaft Case 1) If you are to flash the PSU (Pentastar Upgrade Engine) PCM due to P0300 code presence, only AB or previous LEVEL PSU right intake camshaft PN 05047913AA or AB (old version) should be replaced. If the engine is equipped with the AC/AD LEVEL PSU right intake camshaft PN 05047913AC or AD (new version), camshaft should NOT be replaced. Case 2) If the intake camshaft or intake rocker arm has excessive wear on the high lift profile (Rocker arm: slider, Camshaft: central lobe), replace the intake camshaft (1) in that cylinder head and all intake rocker arms (6).
91001332023-07-31. Service bulletin. BACK OVER PREVENTION. ROCKER ARM ASSY - ROLLER ROCKER Case 1.- Before replacing the intake or exhaust rocker arms due to an abnormal ticking noise, please check that the INTAKE Hydraulic Lash Adjusters are not "collapsed". If a collapsed INTAKE HLA is found, replace all INTAKE HLAs on the suspect cylinder head (no need to replace rocker arms). The noise can occur at low or high RPMs, and at low or high temperatures. There are no Diagnostic Trouble Codes (DTC)s present. Case 2.- If the INTAKE camshaft or INTAKE rocker arm has excessive wear on the high lift profile (Rocker arm: slider, Camshaft: central lobe), replace the intake camshaft (1) in that cylinder head and all intake rocker arms (6).
91001422023-05-30. Service bulletin. VISIBILITY:REARVIEW MIRRORS/DEVICES. Mirror
Newsletter2023-05-30. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. FCA CARIBBEAN WARRANTY OPERATIONS NEWSLETTER
09009232023-05-30. Service bulletin. ENGINE AND ENGINE COOLING. Engine Ticking Noise Engine makes an abnormal ticking noise. There may be Diagnostic Trouble Codes (DTC)s present. This bulletin involves inspecting and if needed, replacing the intake HLAs.
18050232023-05-30. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. Flash: Powertrain Control Module (PCM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following Diagnostic Trouble Code (DTC) has been set: ? U0402-00 - IMPLAUSIBLE DATA RECEIVED FROM TCM. When U0402-00 sets in the PCM, the module will start to deny torque requests from Transmission Control Module (TCM), the transmission will fault and go to a fixed gear limp-in reaction, and send the MIL request to PCM. The customer may also experience the following: ? A limp mode when DTC sets in the PCM. This bulletin involves reprogramming the PCM with the latest available software.
18048232023-05-30. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING. wiTECH Small Leak Verification Test (SLVT) - P0456-EVAP SYSTEM SMALL LEAK
08085232023-05-30. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. Flash: Electronic Shift Module (ESM) Updates The customer may also experience one or more of the following: ? Instrument cluster remains illuminated when vehicle is off. ? Discharged/dead battery. The technician may also find the following: ? Diagnostic Trouble Codes (DTCs) may or may not be stored in Transmission Control Module (TCM) or the ESM. This bulletin involves reprogramming the ESM with the latest available software.
08079232023-05-30. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; ELECTRICAL SYSTEM. Radio Over The Air Uconnect R1L Radio Software Update to R160 Customers may experience one or more of the following: ? Media source changes to AM after the theme mode is changed (ex. headlights on - dark mode). ? Audio cuts out at volume levels 30 or above. ? System switches to Wireless after key cycle, profile change, or theme mode change. ? Wireless phone interface freezes after user accepts incoming call when in a conference call. ? Wi-Fi Hotspot gets disabled automatically when turning the vehicle ignition off for a long period. ? Loss of SXM/AM/FM presets. ? Blank Screen when Home Screen Loading. (rear view camera operation not affected). ? Radio Reboot. 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 136.10.04, 139.01.53 and 145.00.15 to R160. NOTE: The national launch for the FOTA is expected to begin April 18, 2023.
Notification48A2023-05-30. Service bulletin. ELECTRICAL SYSTEM. Customer Satisfaction Notification 48A 12-Volt Battery Discharge
S23250000042023-05-30. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM. Malfunction Indicator Lamp (MIL) Illuminated. Diagnostic Trouble Code (DTC) P2047 ? Reductant Injector 1/1 Circuit, Set.
S22080000802023-05-30. Service bulletin. ELECTRICAL SYSTEM. Ambient Air Temperature Missing, Malfunction Indicator Lamp (MIL) Lamp On, Diagnostic Trouble Code (DTC) P0070-15 Ambient Air Temperature Sensor Circuit-Circuit Short to Battery or Open, P0073 Ambient Air Temperature Sensor Circuit High
S22230000632023-05-30. Service bulletin. ELECTRICAL SYSTEM. Ambient Temperature Sensor Servicing.
S22230000482023-05-30. Service bulletin. SEATS:FRONT ASSEMBLY:SEAT HEATER/COOLER; SEATS. Heated Seat Cushion Element Inoperative
S23240000072023-05-30. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. Customer Indicates Low Air Flow Coming From Rear Vents.
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

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