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Service bulletins for the 2016 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.

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

By type

By component

By trouble code

Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
90037712022-10-24. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY; ELECTRICAL SYSTEM. Radiator Before replacing the radiator call Matt Mihm at FCA Auburn Hills cell: (248) 736- 6542 to answer a few questions. If no response in 15 minutes, please proceed with repair. When replacing Radiator for damage on engine side of radiator, also replace fan module and ship the old fan using the same ticket number.
08044162022-10-24. Service bulletin. ELECTRICAL SYSTEM. Flash: Radio Frequency Hub Module (RFHM) Enhancement
04581581A2022-10-24. Service bulletin. FUEL SYSTEM, GASOLINE; ELECTRICAL SYSTEM. Pump - vacuum For DS vacuum pump concerns only; If the vacuum pump continues to run even when the ignition is off; before replacing vacuum pump, please call Tim Parks on cell (248) 245-9395 or Fernando Betancourt on cell (248) 202-7871. If you do not receive a return call within 15 minutes, proceed with the repair.~
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.
520297372022-10-17. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. TANK, Diesel Exhaust Fluid, Part Includes Temp Sensor and Level Sensor For DS and WK vehicles ONLY; If the urea tank is being replaced due to P249C, P203E, or P24F3 on a 2014-2016 model year 3.0L Turbo Diesel (EXF) on DS or WK, please call Indra Djutrisno at cell (248) 892-3473. If no response is received within 15 minutes, please continue with repair
681587702022-10-17. Service bulletin. ELECTRICAL SYSTEM:WIRING:CONNECTORS/PLUGS:ACCESORY POWER OUTLET/JACK/PORT/USB/SAE/CIGARETTE LIGHTER. USB Charging Port Before replacing this part - this is a charge only USB port intended to charge smart phones and other low power USB devices. To verify proper functionality, turn on the ignition with no cables or devices plugged into the port. Connect a charging cable to the port, then connect the device. If the device receives power, the port is functioning to design. There are some minor compatibility issues with some charging cables including Apple Lightning cables. For questions regarding the charging port functionality, please call Dave Diovardi at Cell (248) 941-8704 or Rick Gordon at Cell (248) 630-6281.~
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.
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).
S20250000052022-10-17. Service bulletin. ELECTRICAL SYSTEM. Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Codes P0407 ? EGR Sensor B Circuit Low, or P0408 ? EGR Sensor B Circuit High Set
S20080001132022-09-26. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM:IGNITION. No Start Intermittently, Vehicle Requires Multiple Keyless Push To Start Attempts To Start Vehicle
90039682022-09-26. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM; ELECTRICAL SYSTEM. CONDENSER, Air Conditioning CONDITION 1: If it is determined that the A/C compressor does not engage due to a refrigerant leak at the receiver/drier plug on the A/C condenser, order the receiver/drier plug kit P/N 68447796A$ and follow the repair instructions included on the instruction sheet. CONDITION 2: For stock at the dealership of the below Part Number level or older ONLY, use kit 68447796A$ to change the desiccant BAG and the desiccant bag access PLUG before installing the Cooler on the vehicle. 52014588AD level and older only. 52014609AC level and older only. 52014632AC level and older only. 52014797AG level and older only. 52014948AE level and older only. 52014978AF level and older only.
S21080001632022-09-26. Service bulletin. ELECTRICAL SYSTEM. No Start, Cannot Complete Module Replace, Proxi Or Module Proxi Configuration
18-078-162022-09-26. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. Engine Oil Viscosity Upgrade And Flash Enhancements This bulletin involves reprogramming the Powertrain Control Module (PCM) and the Transmission Control Module (TCM). It also involves changing the engine oil with new 5W40 engine oil and applying a sticker to the engine oil filler cap. An addendum card will need to be added in the owner's manual. The following powertrain system improvements/enhancements are included in this software release: · Fan calibration. · Transmission calibration. · Revised oil change algorithm.
90044702022-09-26. Service bulletin. TRAILER HITCHES; ELECTRICAL SYSTEM:WIRING. 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
90043862022-09-26. Service bulletin. ELECTRICAL SYSTEM:WIRING. WIRING, Body Before replacing this harness, please contact FCA Redacted Content to see if a repair kit is available for your application. If no response in 15 minutes, proceed with repair. Please email pictures of harness defects to FCA Redacted Content
S20080001132022-09-26. Service bulletin. ELECTRICAL SYSTEM. No Start Intermittently, Vehicle Requires Multiple Keyless Push To Start Attempts To Start Vehicle, Intermittent Key Not Detected Message
S16080002262022-09-26. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Battery Tester Warranty Code Procedures, Midtronics Charger Update Process
S160800022612022-09-26. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Battery Tester Warranty Code Procedures, Medtronic Update Process
25001212022-09-26. Service bulletin. FUEL SYSTEM, GASOLINE; EXTERIOR LIGHTING; ELECTRICAL SYSTEM. Dual EVAP System Extreme Duty Vapor Canister Filter Kit This informational bulletin is to make technicians aware that an EVAP dual vapor canister filter kit(Mopar part #68478013AA)is available in place of the OEM single vapor canister filter.This kit should not be installed on vehicles driven in normal conditions that are not subjected to the below symptom/conditions. Customers operating fleet or severe/extreme duty gasoline vehicles in continuous dusty driving conditions can plug the single OE filter system and may experience a Malfunction Indicator Lamp (MIL) illumination. Upon furtherinvestigation the technician may find that the following Diagnostic Trouble Codes (DTCs) have been set:P0441 - EVAP Purge System Performance. P062A - Fuel Pump Control Performance. Customers may also experience the following conditions:Hard to fill fuel tank with fuel. Premature shut-off of the gas nozzle when refueling. Flow back of fuel while refueling.
08111192022-09-15. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. RA3 and RA4 GPS Radio Update This bulletin involves updating the radio software. 18.01.35 (BU Vehicles)
D19252022-09-15. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. RRT 19-090 (Service Bulletin 08-111-19) 2013-2018 Multiple Vehicles RA3/RA4 Radio GPS Certification Error
08-008-17 REV. A2022-09-15. Service bulletin. ELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM. Flash: BCM Diagnostic and System Improvements This bulletin involves reprogramming the Body Control Module (BCM) with the latest available software. The customer may describe the headlamps flicker while operating at night. This condition may be more prevalent after the bulb(s) have been replaced with an aftermarket bulb.
08-051-162022-09-15. Service bulletin. ELECTRICAL SYSTEM; SUSPENSION; FUEL SYSTEM, GASOLINE; SERVICE BRAKES, HYDRAULIC; ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC); EXTERIOR LIGHTING. Flash: Air Suspension Control Module (ASCM) This bulletin involves updating the ASCM with the latest available software. Customers may experience no ride height change with the vehicle in real cold conditions and in addition they may also have a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that the following Diagnostic Trouble Codes (DTCs) have been set: · C15A1-00 - Unable To Obtain Desired Ride Height. · C1562-98 - Ride Height Air Pump Control - Component Or System Over Temperature. · C1562-92 - Height Air Pump Control - Performance Or Incorrect Operation. · C159F-92 - Air Suspension Reverse Valve 1 Control - Performance Or Incorrect Operation. · C15A0-92 - Air Suspension Reverse Valve 2 Control - Performance Or Incorrect Operation. · C155E-92 - Height Pressure Vent Control - Performance Or Incorrect Operation. · C15AA-00 - Air Leak During Vent. In addition, the customer may notice the following condition: · Vehicle does not change ride heights when selected in cold weather.
09-005-162022-08-22. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT; ELECTRICAL SYSTEM. Tighten Starter Bolts This bulletin involves torquing the starter bolts to proper specifications. The customer or technician may hear an excessive noisy starter or find that the starter is loose.
08-057-162022-08-22. Service bulletin. ELECTRICAL SYSTEM. RA3 RA4 Radio Enhancements This bulletin involves inspecting and, if required, updating the radio software. A small number of customers may experience one or more of the following: · Navigation failed message is displayed. · Clock not automatically updating to local time. · Poor or no connection to cellular network. · HVAC temperature out of sync with radio display (KL vehicles). · Display goes blank/black. · Radio locks up. · Some Uconnect App remote commands do not execute with the vehicle.

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