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Service bulletins for the 2018 Ram 5500

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.

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

By type

By component

By trouble code

Bulletins, newest first
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
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.
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.
90038142022-07-25. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. 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.
S228A0000042022-06-27. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Panasonic VP4R Wi-Fi New Enrollment Pause
90044702022-06-27. Service bulletin. ELECTRICAL SYSTEM:WIRING; TRAILER HITCHES. CONNECTOR/WIRING, Trailer Tow If the connector or wiring is physically damaged, burned, melted or corroded, prior to replacing the part, please contact FCA Redacted Content If no response in 15 minutes, proceed with repair. Please send pictures of the failed part to FCA Redacted Content
S17230000012022-05-31. Service bulletin. VISIBILITY. Left Hand Drivers Side Mirror Takes Longer to Defrost Or Clear Than Right Side Passenger
S18090000072022-05-31. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION. Customer Complaint May Include Engine Oil Leak Or Consumption
S22090000022022-05-31. Service bulletin. ENGINE AND ENGINE COOLING; ENGINE. Customer complaints may include abnormal engine noise, rough idle, lack of power, misfire. When performing diagnosis, an internal engine concern may be suspected.
S1809000007 Rev.2021-04-26. Service bulletin. ENGINE AND ENGINE COOLING. Customer complaint may include engine oil leak/consumption.
90036372020-09-28. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT; EQUIPMENT. USB PORT, Media Hub For Android Auto and Apple Carplay issues, do not replace this part. Android Auto and Apple Carplay applications may not operate with the vehicle if an aftermarket cable is being used. Verify the functionality of these applications using an OEM Apple Lightning cable or an OEM provided USB cable for Android phones before performing any additional troubleshooting. For questions regarding Android Auto or Apply Carplay functionality, please contact FCA Redacted Content. If no response in 15 minutes, proceed with repair.
S20080000102020-08-24. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM. Apple Carplay Inoperative Or Not Working, Phone Not Pairing, Carplay Lockup, Freeze or Audio Concerns
S20090000032020-07-27. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER. Turbocharger vs Turbocharger Actuator Replacement
S20080000732020-06-22. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; ELECTRICAL SYSTEM:SOFTWARE. VP4 Panasonic Radio USB Software Update Error Codes And Guidelines For Recovery
S20090000022020-06-22. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING:ENGINE:DIESEL; FUEL SYSTEM, DIESEL. Oil Leak From The Front Timing Gear Housing Gasket. (Note: ETL, ETK, ETM, ETN Diesel Engines)
23-015-202020-05-26. Service bulletin. STRUCTURE; EQUIPMENT. Disinfectant Solution Recommended for COVID-19
08-049-202020-05-26. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Charging System, Battery Diagnostic Tools and Warranty This information only bulletin discusses using the correct test equipment for testing batteries and charging systems, and also warranty reimbursement when battery replacements are necessary.
18-039-202020-05-26. Service bulletin. FUEL SYSTEM, GASOLINE. Possible Driveability Issues due to the Winter-Blend Fuel into the Warmer Season
18-036-202020-05-26. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. This bulletin fixes all vehicles listed and also contains an optional software path for situations where the customer is specifically complaining of a drone noise, shudder, pulsation, or vibration under light throttle applications, while vehicle is operating in Multi Displacement System/Economics (MDS/ECO) mode (optionalsoftware available for D2&DJ vehicles).There will be two separate software options displayed on the wiTECH flash tab. The software file released for this condition contains the verbiage ?MDS NOISE?. The other file is the standard software that does not contain improvements for the drone/shudder concern. If for some reason the customer finds this shudder improvementobjectionable, the PCM software may be returned/reflashed to the standard version.Both software versions will address the remaining conditions noted in the bulletin.The customer 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):P3402 - Cylinder 1 Deactivation Control Performance. P3426 - Cylinder 4 Deactivation Control Performance. P3442 - Cylinder 6 Deactivation Control Performance. P3450 - Cylinder 7 Deactivation Control Performance. P0128 - Thermostat Rationality. Customers may also describe the following condition:Heater not warming cabin sufficiently and engine slow to warm up. This condition could be caused by a malfunctioning thermostat which is not associated with an HVAC issue.
D-19-02 Rev. D2020-05-26. Service bulletin. ELECTRICAL SYSTEM. Fast Feedback Program ? 6.7L Cummins Engine - 2019 & 2020 HD Ram & 6.7L Cummins Diesel Engine Control Module (ECM) - 2018 Ram ? All Models (Rev. D)
S20190000022020-05-26. Service bulletin. STEERING. Hands On Steering Wheel Message In EVIC
S19180000032020-04-06. Service bulletin. ENGINE. Intermittent Engine Buck, Surge, or Misfire.
S20080000132020-04-06. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Key Programming, Security Pin Request, Pin Invalid

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