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Service bulletins for the 2018 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.

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

By type

By component

By trouble code

Bulletins, newest first
S20250000012023-04-17. Service bulletin. BACK OVER PREVENTION; EXTERIOR LIGHTING. Malfunction Indicator Lamp Illumination (MIL). Diagnostic Trouble Code (DTC) P203E ? Reductant Level Sensor 1 Circuit Intermittent-Erratic Set.
S18080001522023-04-17. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). CEL (Check Engine Lamp) Illuminates, Recent PCM Replace or Flash Update Performed, Diagnostic Trouble Codes (DTCs) P057B Brake Pedal Position Sensor Circuit Performance, P1572 Brake Pedal Stuck, C0042-54 Brake Pedal Missing Calibration
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
9003357a2023-04-17. Service bulletin. ENGINE AND ENGINE COOLING. ADAPTER, Engine Oil Filter (Pentastar V6) For all 2014MY replace the Oil Filter Adapter (OFA). For any other MY review and follow instructions from the latest STAR Online S1809000007 available on Dealer Connect. Also, consider the following: 1) Remove OFA 2) Replace only the oil inlet O-ring and gaskets (seals kit in SOL above). 3) Re-install the OFA. For 2023MY and beyond use black O-ring. For 2022MY and prior use red O-ring. Note: When replacing OFA, it may be necessary to transfer the Oil Temp/Pressure Sensor from the old OFA to the new OFA.
90033572023-04-17. Service bulletin. ENGINE AND ENGINE COOLING. ADAPTER, Engine Oil Filter (Pentastar V6) For all 2014MY replace the Oil Filter Adapter (OFA). For any other MY (with mileage above 30,000) review and follow instructions from STAR Online S1809000007 REV. C available on Dealer Connect. Also, consider the following: 1) Remove OFA 2) Replace only the oil inlet O-ring and gaskets (seals kit in SOL above). 3) Re-install the OFA. For 2023MY and beyond use black O-ring. For 2022MY and prior use red O-ring. Note: When replacing OFA, it may be necessary to transfer the Oil Temp/Pressure Sensor from the old OFA to the new OFA.
08-008-232023-02-13. Service bulletin. ELECTRICAL SYSTEM; BACK OVER PREVENTION; WHEELS; STEERING. UAS and UCS Radio Enhancements Customers may experience one or more of the following: **Wi-Fi hotspot connection failure. Speaker popping, crackle noise during Voice Recognition (VR) response and navigation guidance. Mobile Station Integrated Services Digital Network (MSISDN) missing from radio, no connected services working.** Wireless connectivity pairing and/or connection issues. Lost radio presets. Radio channels change by itself. SXMT icon inoperative. SXMT favorite song not displaying/playing. High pitch squeal, pop or hum noise from speakers. Anti-theft code request message. Lines appear across screen. Radio will not switch modes between AM, FM, SAT or Media. Performance control home screen shows ?Norm? mode for engine/transmission even when the vehicle is in ?Drag? mode (LA, LD, LX only). Can not change the time on the clock (LA, LD and LX only). USB hub inoperable (D-Trucks only). Backup camera gridlines missing (D-Trucks only). Device not supported message (D-Trucks only). Remote app inoperative (D-Trucks only). Unable to adjust volume (D-Trucks only). Heated steering wheel inoperable (D-Trucks only). In addition, the following enhancement are included in this update: CarplayT connectivity improvements. Improvement to wireless connectivity phone pairing. Improved sound quality when using a wireless connectivity phone. **This bulletin involves inspecting and if required, updating the radio software level to 40.1. Depending on the radio?s current software level the radio may need a one or two USB update.**
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.
S23230000022023-02-13. Service bulletin. EQUIPMENT:ELECTRICAL. Washer Light On And Will Not Turn Off After Adding Washer Solvent.
08117212023-01-17. Service bulletin. EQUIPMENT; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; ELECTRICAL SYSTEM. UAS and UCS Radio Enhancements This bulletin involves inspecting and if required, updating the radio software level to 39.6 Customers may experience one or more of the following: Intermittent, black radio display screen. Intermittent, radio freezes. Bluetooth® pairing and/or connection issues. Lost radio presets. Radio channels change by itself. SXM icon inoperative. USB hub inoperable. Heated steering wheel inoperable. SXM favorite song not displaying/playing. High pitch chime noise. Contact list not loading. Device not supported message. Remote app inoperable. Travel-link fuel price incorrect. Navigation displays incorrect location. Backup camera grid lines missing. Unable to adjust volume.
S19250000082023-01-17. Service bulletin. EXTERIOR LIGHTING; FUEL SYSTEM, GASOLINE; SERVICE BRAKES, HYDRAULIC. Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Codes (DTCs) P208B ? Reductant Pump 1 Control Performance, and/or P20E8 ? Reductant Pressure Too Low, Set.
S21080001702023-01-17. Service bulletin. PARKING BRAKE. Head unit button stuck DTC code B14DA-2A
S17230000012023-01-17. Service bulletin. VISIBILITY. Left Hand Drivers Side Mirror Takes Longer to Defrost Or Clear Than Right Side Passenger
S21080001632023-01-17. Service bulletin. ELECTRICAL SYSTEM. No Start, Cannot Complete Module Replace, Proxi Or Module Proxi Configuration
S21090000042023-01-17. Service bulletin. ENGINE AND ENGINE COOLING. Issue involves overheating, running hot, coolant leaks and related symptoms after a Mopar replacement engine has been installed in the vehicle.
08093212023-01-17. Service bulletin. ELECTRICAL SYSTEM; BACK OVER PREVENTION. UAS, UAQ, UCS, UAV, UCV and UCQ Radio Over The Air Software Version Updates This bulletin provides information regarding the latest Flash 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. This is part of a two step FOTA update, first update brings software level to 22.61 and this second FOTA update will take the software to 22.64. National launch for this second step is May 24, 2021. Customers may experience one or more of the following:Navigation is incorrect or can not calculate route. GPS locations is inaccurate. Uconnect radio apps are all inoperable. Backup camera screen is blue (DT and KL). Green horizontal lines appear across screen (DT and KL). Anti-theft code request message. Backup camera screen is blank. Lines appear across screen. Radio control screen is blank or locked. Radio reset intermittently. Unable to adjust audio volume. Unable to switch modes between AM, FM, SAT or Media. In addition the following enhancements are included in this update:Carplay® connectivity improvement. Improvement to Bluetooth® phone pairing. Bluetooth devices unresponsive. Improved sound quality when using a Bluetooth phone.
S2108000127-12023-01-17. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Radio Reboot Continually
S21080001302023-01-17. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Bubbles Or Delamination On The Radio Display
S21080001272023-01-17. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Radio Reboot Continually
S21080001192023-01-17. Service bulletin. EQUIPMENT:ELECTRICAL. Apple CarPlay Malfunctioning, Does Not Launch Or Is Cutting In An Out On Wired And Wireless Connection, Radio Stuck When IPhone Is Connected
S20080000102023-01-17. Service bulletin. EQUIPMENT:ELECTRICAL. Apple Carplay Inoperative Or Not Working, Phone Not Pairing, Carplay Lockup, Freeze or Audio Concerns
S21230000282023-01-17. Service bulletin. STRUCTURE. Noise From Under Seat With Occupant Seated.
S18090000072023-01-17. Service bulletin. ENGINE. Customer Complaint May Include Engine Oil Leak Or Consumption
08-003-22 REV. A2023-01-17. Service bulletin. STEERING; EQUIPMENT:ELECTRICAL:INFOTAINMENT; BACK OVER PREVENTION. UAQ and UCQ Radio Enhancements Customers may experience one or more of the following: ? **Wi-Fi hotspot connection failure. ? Speaker popping, crackle noise during Voice Recognition (VR) response and navigation guidance. ? Mobile Station Integrated Services Digital Network (MSISDN) missing from radio, no connected services working.** ? Intermittent, black radio display screen (Rear View Camera (RVC) not affected). ? Intermittent, radio freezes (RVC not affected). ? Wireless connectivity pairing and/or connection issues. ? Lost radio presets. ? Radio channels change by itself. ? SXMT icon inoperative. ? SXMT favorite song not displaying/playing. ? Incorrect navigation address/location/directions. ? Backup camera has black display screen or only displays Check Entire Surroundings with black screen (occurs when vehicle is shifted immediately to reverse upon key-on before RVC signal is received, recoverable with key cycle) . ? High pitch chime noise. ? Contact list not loading. ? Device not supported message. ? Remote app inoperative. ? Travel-Link fuel price incorrect. ? Backup camera gridlines missing. ? Unable to adjust volume. In addition, the following enhancement are included in this update: ? Enables map updates. ? Heavy Duty (HD) Truck USB HUB improvements. ? HD Truck heated steering wheel improvements This bulletin involves inspecting and if required, updating the radio software level to 40.1. Depending on the radio?s current software level the radio may need a one or two USB update.
31-002-222023-01-17. Service bulletin. STRUCTURE. Aluminum Body Panel Corrosion Repair Aluminum corrosion or bubbling along the leading edge of hood, hinges or other exterior surface areas of the hinges, doors, fenders, swing gates or liftgates. NOTE: Digital imaging pre authorization is required for Smart Warranty Base dealers or Pre Approval is required from Regional Office depending on market. This bulletin involves inspecting and if necessary removing corrosion and refinishing the suspect aluminum panels on the vehicle, hood, door, fenders, hinges, swing gates or liftgate panels.
08-229-222023-01-17. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Radio Over The Air Software Version Update to 22.66 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 IR22.64 and IR22.65 to IR22.66. The national launch for the FOTA is expected to begin on January 09, 2023. ? Wi-Fi hotspot connection not working. ? No internet connection message on the phone when trying to connect to a device

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