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Service bulletins for the 2016 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.

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

By type

By component

By trouble code

Bulletins, newest first
S22140000032022-11-07. Service bulletin. FUEL SYSTEM, DIESEL. Guidelines For The Use Of Alternative Diesel Fuels.
S22230000632022-11-07. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM; ELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM. Ambient Temperature Sensor Servicing.
31001222022-10-31. Service bulletin. STRUCTURE. Approved Use of Weld Through Primers This bulletin documents the FCA US LLC position regarding the use of weld through primer when using Squeeze Type Resistance Spot Welding (STRSW) and Gas Metal Arc Welding (GMAW) processes when welding steel body panels and structural components.
S22230000632022-10-31. Service bulletin. EQUIPMENT:ELECTRICAL. Ambient Temperature Sensor Servicing.
31001222022-10-31. Service bulletin. STRUCTURE:INTERIOR PANELS:DOOR; STRUCTURE; UNKNOWN OR OTHER. Approved Use of Weld Through Primers This bulletin documents the FCA US LLC position regarding the use of weld through primer when using Squeeze Type Resistance Spot Welding (STRSW) and Gas Metal Arc Welding (GMAW) processes when welding steel body panels and structural components.
S22230000632022-10-31. Service bulletin. EQUIPMENT:ELECTRICAL. Ambient Temperature Sensor Servicing.
2300116REVD2022-10-24. Service bulletin. EQUIPMENT. Center Console Lid Binding
08050162022-10-24. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS. Headlamps May Be Out Of Adjustment Or Alignment
08044162022-10-24. Service bulletin. ELECTRICAL SYSTEM. Flash: Radio Frequency Hub Module (RFHM) Enhancement
18-039-162022-10-24. Service bulletin. BACK OVER PREVENTION; EXTERIOR LIGHTING; FUEL SYSTEM, GASOLINE. Flash: 6.7L Diagnostic And System Improvements This bulletin involves reprogramming the Engine Control Module/Powertrain Control Module (ECM/PCM) with the latest available software. These DTCs have been changed from a one trip fault to a two trip fault: · P2280 - Air Flow Restriction / Leak Between Air Cleaner And MAF. · P203C - (Diesel Exhaust Fluid) Reductant Level Sensor Circuit Low. · P208D - (Diesel Exhaust Fluid) Reductant Pump Control Circuit High. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation a technician may find the following Diagnostic Trouble Codes (DTCs) set in the PCM memory: · P1C55 - NOx Sensor Intermittent - Bank 1 Sensor 1. · P207F - Reductant Quality Performance. · P218F - Reductant No Flow Detected. · U110E - Lost Ambient Temperature Message. In addition to addressing the above DTCs, the following powertrain system improvements/enhancements are also included in this software release: · Ambient Air Temperature Improvements. · Stationary de-soot with WiTech fix.
S19080001022022-10-17. Service bulletin. POWER TRAIN. (Rev. A) Power Inverter Load Ratings
08094202022-10-17. Service bulletin. EXTERIOR LIGHTING; ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. Flash: Drivetrain Control Module (DTCM) Update This bulletin involves reprogramming the DTCM with the latest available software. The customer may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following Diagnostic Trouble Code (DTC) has been set::If the customer has any concerns with the transfer case or if the tech performs any repairs on the transfer case, the software must be updated.C140E - Transfer Case Motor Blocked. If DTC C140E is present, follow normal diagnostic procedures before updating the DTCM.In addition the customer may describe the following:The ?Service 4WD? message/fault is displayed in the Instrument Panel Cluster (IPC). Transfer case shift fork tabs broken during range shift. Noisy (clunking/ratcheting) transfer case range shifts. Failure to complete transfer case range shifts. The following software enhancement is available:This update will help reduce premature transfer case failure.
681406642022-10-17. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. A/C compressor Before replacing the AC compressor for noise or in-op. call one of the individuals below.~ Steve Rice at cell (248) 867 0061~ Mark Briolat at cell (248) 345-0127~ If no response in 15 minutes, please continue with repair.
682340412022-10-17. Service bulletin. ENGINE AND ENGINE COOLING; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. Thermal Expansion Valve (TXV), H-valve For D trucks only; When diagnosing an A/C system leak at the TXV (Thermal Expansion Valve, H-valve), do not replace the TXV unless it has been proven to be defective for function or for a leak. Instead replace just the O-ring(s) part number 05161806AA, 68046015AA, 68100682AA, 68100676AA. For any questions call Matt Mihm cell (248) 736-6542. If no response in 15 minutes, please continue with repair.~ ~___________________________________________________________________~ Contact us at CAGRIS@Chrysler.com for feedback related ONLY to this GPOP Tech Tip. Please include the Part Number(s) and Tech Tip Part Description of the Tech Tip you are referencing for our tracking system.
050867552022-10-17. Service bulletin. ENGINE AND ENGINE COOLING. Rear Crank Shaft Oil Seal and Retainer Plate For Cummins equipped vehicles only;~ If you are working on a 2015 or 2016 vehicle ONLY and are replacing the Rear Main Seal for oil leak, replace seal, retainer and gasket using PNs; 05086755A, 05086754A, 05015705A. Remove the retainer with the seal installed. Please do not disturb seal in retainer when removing from engine. Please refer to detailed repair instructions in DealerConnect TechConnect for oil seal retainer replacement.~ Cummins Engineering is currently investigating the root cause of the oil leak concern and would like to analyze these parts. Please contact Chad Eichbrecht at cell (248) 309-2695 to arrange for part return~ If you do not receive a response within 15 minutes, please proceed with normal repair. ~_________________________________________________________________~ Contact us at CAGRIS@Chrysler.com for feedback related ONLY to this GPOP Tech Tip. Please include the Part Number(s) and Tech Tip Part Description of the Tech Tip you are referencing for our tracking system.
051520292022-10-17. Service bulletin. VISIBILITY/WIPER. 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 the this inspection. Inspect the sensor for a fluid coating on the sensor pins. Orange colored rain repellant can cause this fluid build-up. Clean the pins, drain the reservoir, and fill with Mopar approved washer fluid. Check to determine if the issue has been resolved. Continue with repair if necessary. Also, please inform the customer not to use Rain-X in the system to avoid this issue. Please contact Chuck Hood at cell (248) 613-7591 if you have questions or need additional information. Thank you.
683328102022-10-17. Service bulletin. ENGINE AND ENGINE COOLING. Service - Four Piece Oil Pan Gasket All Cummins Equipped Vehicles ONLY - The replacement oil pan gasket can be a four piece gasket rather than a single piece gasket. This applies to Cummins 5.9L and 6.7L engines only. Installation: 1. Clean the oil pan T-joints.~ 2. Fill the T-joint between the pan rail/gear housing and pan rail/rear seal retainer with sealant. Use Mopar® Silicone Rubber Adhesive Sealant or equivalent. 3. Apply a 2-mm [0.063-in] bead of Mopar Engine Sealant RTV Silicone Rubber Adhesive, to the oil pan flange.~ 4. The four piece gasket will need to be assembled to make a complete oil pan gasket. 5. Lay the oil pan gasket(s) onto the oil pan flange.~ 6. Ensure the oil pan gasket segment joints are properly aligned. 7. Apply a 2-mm [0.063-in] bead of Mopar Engine Sealant RTV Silicone Rubber Adhesive, to the top of the oil pan gasket.~ 8. Install the oil pan. Starting from the center and working outward, tighten the oil pan bolts to 28 N·m [21 ft. lbs.].
08076162022-10-17. Service bulletin. ELECTRICAL SYSTEM:STARTER ASSEMBLY. Remote Start Antenna Replacement This bulletin involves replacing the remote start antenna module. Some customers may experience a diminished or less than satisfactory range when trying to lock/unlock the doors or when using the remote start from the key fob. Some customers may also experience a Tire Pressure Monitoring (TPM) icon illuminated while all the tires are properly inflated.
08057162022-10-17. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. RA3 And RA4 Radio Enhancements This bulletin involves inspecting and if required, updating the radio software. Customers may experience one or more of the following: Satellite radio reception improvements. Navigation failed message is displayed. Clock not automatically updating to local time. Poor or no connection to cellular network. (U.S. Market Only) (KL vehicles). Display goes blank/black. Radio locks up. Some Uconnect App remote commands do not execute with the vehicle. (U.S. Market Only)
08044162022-10-17. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; ELECTRICAL SYSTEM. Flash: Radio Frequency Hub Module (RFHM) Enhancement This bulletin involves reprogramming the RFHM module with the latest available software. Customers may describe the instrument cluster is illuminating by itself after the ignition has been off for an extended period of time (10 minutes or more).
90037582022-10-17. Service bulletin. AIR BAGS; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE). EGR Cooler If a customer comes in with a check engine light for P0401, P2281 or P0234 and the,technician has determined the EGR Cooler is plugged with soot, please contact Stephen Alvarado at the STAR Center at (866) 799-1695 ext. (4720271). Cummins Engineering is currently investigating root cause of this condition. If you do not receive an answer or call back within 15 minutes, proceed with normal diagnostics.
21030172022-10-17. Service bulletin. POWER TRAIN. This bulletin involves replacing the transmission assembly.
S20080000932022-10-17. Service bulletin. LANE DEPARTURE: BLIND SPOT DETECTION. Blind Spot Or Park Assist Warnings, False Activation
9004374RevA2022-10-17. Service bulletin. WHEELS. NUT, Wheel Flange Wheel Nut Service Torque should be 175 N-M.
90043742022-10-17. Service bulletin. WHEELS. NUT, Wheel Flange Wheel Nut Service Torque should be 190 N-M.

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