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Service bulletins for the 2018 Ram 2500

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.

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

By type

By component

By trouble code

By topic

Bulletins, newest first
31004192022-09-15. Service bulletin. VISIBILITY. Authentic Mopar® Glass Replacement This bulletin involves discussing FCA US LLC position with regard to collision repair industry awareness regarding the recommended usage of Authentic Mopar® Glass.
31006192022-09-15. Service bulletin. STRUCTURE; EQUIPMENT. Repair Parts Used For Structural Repairs This bulletin involves discussing FCA US LLC position with regard to structural repair parts usage.
18089192022-09-15. Service bulletin. ENGINE AND ENGINE COOLING. wiTECH Small Leak Verification Test (SLVT) - P0456-EVAP SYSTEM SMALL LEAK
S21080002042022-09-15. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Radio Lockup In The Software Installation Screen After Accepting FOTA Update (Incorrect "S2008000204" indicated on published document)
S21080001982022-09-15. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT. Media Device Connection Guidelines For Bluetooth, Apple CarPlay, Android Auto Or USB To The Radio Head Unit
S1623000028RevE2022-09-15. Service bulletin. VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR. Outside Power Fold Rearview Mirror Noise Or Loose At Pivot
90031092022-09-15. Service bulletin. VISIBILITY:WINDSHIELD WIPER/WASHER. Washer Fluid Level Sensor Prior to replacing this part due to "Low Washer Fluid" tell tale light on the dash and the washer fluid bottle is full, please perform this inspection: Check if float sensor is rotated off location from the bottle anti-rotation features that surround the SENSOR. Check to determine if the issue has been resolved. Continue with repair if necessary. Please contact Chris Koch at cell (248) 248-622-6417 if you have questions or need additional information.
18-073-212022-08-22. Service bulletin. EXTERIOR LIGHTING; FUEL SYSTEM, GASOLINE; FUEL SYSTEM, DIESEL. Diesel Injector Freezing This bulletin involves installing a insulator over the Diesel Exhaust Fluid (DEF) injector. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that one or more of the following Diagnostic Trouble Codes (DTCs) have been set: P218F - Reductant No Flow Detected. P202E - (Diesel Exhaust Fluid) Reductant Injector Performance. The customer will not notice any drivability issues associated with these DTCs. These DTCs may set when the vehicles is parked for a long time and the ambient temperatures are below -11 °C (12 °F).
08-133-212022-08-22. Service bulletin. EQUIPMENT:ELECTRICAL; ELECTRICAL SYSTEM:SOFTWARE. UAQ and UCQ Radio Enhancements This bulletin involves inspecting and if required, updating the radio software level to: 39.6.The repair procedure must be followed step by step. If the radio is not updated with the correct software level at the correct time the radio can be damaged. If the radio was damaged by not following the repairprocedure the radio may need to be replaced. Customers may experience one or more of the following: Lost radio presets. SXM favorite song not displaying/playing. Radio display screen is black, intermittent. Radio freeze intermittent. Incorrect navigation address/location/directions. Bluetooth pair or connection issue. Radio channel change by itself. SXM icon inoperative. Backup camera has black display screen. 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 enhancements are included: Heavy Duty (HD)Truck USB HUB improvements. HD Truck heated steering wheel improvements.
S21080002042022-08-22. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Radio Lockup In The Software Installation Screen After Accepting FOTA Update (Incorrect "S2008000204" indicated on published document)
S21080001982022-08-22. Service bulletin. EQUIPMENT:ELECTRICAL. Media Device Connection Guidelines For Bluetooth, Apple CarPlay, Android Auto Or USB To The Radio Head Unit
S16230000282022-08-22. Service bulletin. VISIBILITY. Outside Power Fold Rearview Mirror Noise Or Loose At Pivot
90036962022-08-08. Service bulletin. STRUCTURE:BODY:DOOR:HINGE AND ATTACHMENTS. Door Hinge Assembly Side door hinge noisy. Only replace the door hinge with the integral check device. Do not replace the simple hinge if it is not damaged it is not the source of the noise. Replacing it unnecessary and is an over-repair.
21-049-172022-08-08. Service bulletin. POWER TRAIN; POWER TRAIN:AUTOMATIC TRANSMISSION:FLUID/LUBRICANT; EXTERIOR LIGHTING. Incorrect Transmission Oil Level Indicator This bulletin involves inspecting and replacing the transmission oil level indicator (dipstick) if needed. During a new vehicle preparation, the technician may notice the transmission fluid level is low.
08-109-172022-08-08. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM:SOFTWARE. UAS, UAQ, UCS and UCQ Radio Over The Air Software 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. The following enhancement are included in this update:Improved sound quality when using the Bluetooth® phone.
D-17-212022-08-08. Service bulletin. EQUIPMENT. Radio Pre-Authorization Program - Select 7.0/8.4/8.4N Radios (New and Exchange) - 2018 Model Year Vehicles
90037792022-08-08. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION:FILTER/SCREEN. Diesel Particulate Filter (DPF) Assembly For Cummins equipped vehicles ONLY: If a customer comes in with a check engine light for P2002 which has led to replacing the DPF, please contact Dean Armstrong at cell (248) 202-8148. Cummins engineering is currently investigating the root cause to this condition. If you do not receive an answer or call back within 15 minutes, proceed with the repair.
90038132022-08-08. Service bulletin. EQUIPMENT. 2018MY Front License Plate Bracket Ram HD ONLY: Do not order this part because you observe (4) attachments in the 2018 DJ, D2, DD, DF and DP Front Bumper and the supplied License Plate Bracket only has provisions for 2 attachments. The 2017 level part (68031880AA) with 2 attachments was intentionally shipped, is compatible, and should be used.
90032932022-08-08. Service bulletin. SERVICE BRAKES. A/C Pressure Transducer A/C inoperative and diagnosis leads to pressure transducer. Call Steve Rice at cell (248) 867-0061 before replacing the pressure transducer. If no response in 15 minutes, please proceed with repair.
90038142022-08-08. Service bulletin. POWER TRAIN. Power Distribution Center For 2018 D2/DD/DF/DJ/DP, prior to replacing the Power Distribution Center (PDC), you MUST contact the STAR Center (800) 850-7827 for diagnostic assistance and pre- authorization. Failure to do so WILL result in your warranty claim being rejected.
21-049-172022-07-25. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; POWER TRAIN. Incorrect Transmission Oil Level Indicator This bulletin involves inspecting and replacing the transmission oil level indicator (dipstick) if needed. During a new vehicle preparation, the technician may notice the transmission fluid level is low.
08-109-172022-07-25. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; ELECTRICAL SYSTEM:SOFTWARE. UAS, UAQ, UCS and UCQ Radio Over The Air Software 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. The following enhancement are included in this update:Improved sound quality when using the Bluetooth® phone.
90037792022-07-25. Service bulletin. FUEL SYSTEM, OTHER:FUEL FILTER; ENGINE AND ENGINE COOLING:ENGINE:DIESEL. Diesel Particulate Filter (DPF) Assembly For Cummins equipped vehicles ONLY: If a customer comes in with a check engine light for P2002 which has led to replacing the DPF, please contact Dean Armstrong at cell (248) 202-8148. Cummins engineering is currently investigating the root cause to this condition. If you do not receive an answer or call back within 15 minutes, proceed with the repair.
90038132022-07-25. Service bulletin. EQUIPMENT. 2018MY Front License Plate Bracket Ram HD ONLY: Do not order this part because you observe (4) attachments in the 2018 DJ, D2, DD, DF and DP Front Bumper and the supplied License Plate Bracket only has provisions for 2 attachments. The 2017 level part (68031880AA) with 2 attachments was intentionally shipped, is compatible, and should be used.
90032932022-07-25. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. A/C Pressure Transducer A/C inoperative and diagnosis leads to pressure transducer. Call Steve Rice at cell (248) 867-0061 before replacing the pressure transducer. If no response in 15 minutes, please proceed with repair.

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