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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

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

Bulletins, newest first
91009232026-09-30. Service bulletin. ELECTRICAL SYSTEM; ENGINE. AIR CLEANER - NONE Instruction to Dealers while ordering the PN# 68137142AD. 1. If the Air Cleaner Assembly is functional and only the MAF Sensor has failed, the dealer should order and replace only the MAF Sensor(68002441AC). 2. If the Air Cleaner Assembly has failed and the MAF Sensor remains functional, the dealer should order the new Air Cleaner Assembly PN(68137142AD) and reuse the existing MAF Sensor(68002441AC) from the failed assembly. 3. If both the Air Cleaner Assembly and the MAF Sensor have failed, the dealer should order both the New Air Cleaner Assembly(68137142AD) and the MAF Sensor(68002441AC) as separate service parts.
S1623000028 Rev. K2026-06-18. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE:BODY. Outside Power Fold Rearview Mirror Noise Or Loose At Pivot. Mirror Contacts Door Window Glass In The Folded Position.
S1623000028 REV.I2026-06-03. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE:BODY. Outside Power Fold Rearview Mirror Noise Or Loose At Pivot. Mirror Contacts Door Window Glass In The Folded Position.
1106032026-03-13. Service bulletin. ELECTRICAL SYSTEM. SPEAKER - NONE
1106042026-03-13. Service bulletin. ELECTRICAL SYSTEM. SPEAKER - NONE
1062412025-08-06. Service bulletin. ELECTRICAL SYSTEM. LAMP - DOME
1049742025-06-26. Service bulletin. ELECTRICAL SYSTEM. LAMP - DOME
1037742025-05-01. Service bulletin. ELECTRICAL SYSTEM. LAMP - DOME
S14080003842024-03-18. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. 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
91002262024-01-08. Service bulletin. ELECTRICAL SYSTEM. Connector kit Before ordering this connector repair kit 68018957A$, check it in the Mopar Connector Repair Kit Website to confirm part number and applicability. There is an error with the wiring diagrams in Service Library that is causing the incorrect repair kit part number to populate. Please use the Mopar Connector Repair Kit Website until this issue is resolved.
91002262023-10-30. Service bulletin. ELECTRICAL SYSTEM:WIRING. Connector kit Before ordering this connector repair kit 68018957A$, check it in the Mopar Connector Repair Kit Website to confirm part number and applicability. There is an error with the wiring diagrams in Service Library that is causing the incorrect repair kit part number to populate. Please use the Mopar Connector Repair Kit Website until this issue is resolved.
S22080000802023-05-30. Service bulletin. ELECTRICAL SYSTEM. Ambient Air Temperature Missing, Malfunction Indicator Lamp (MIL) Lamp On, Diagnostic Trouble Code (DTC) P0070-15 Ambient Air Temperature Sensor Circuit-Circuit Short to Battery or Open, P0073 Ambient Air Temperature Sensor Circuit High
S22230000632023-05-30. Service bulletin. ELECTRICAL SYSTEM. Ambient Temperature Sensor Servicing.
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
S21080001632023-01-17. Service bulletin. ELECTRICAL SYSTEM. No Start, Cannot Complete Module Replace, Proxi Or Module Proxi Configuration
68054772A2022-12-19. Service bulletin. EXTERIOR LIGHTING; ELECTRICAL SYSTEM. CABLE ASSY, Power Sliding Backlite For MY16 DS, DJ, DD, DP, D2 trucks. Prior to replacing a Power Sliding Backlight Cable Assembly, please contact Marc Galli by cell phone at (248) 941-8402 as he would like to gather information. In addition, if the dealership is within the Metro Detroit Area, Marc would like to analyze the vehicle in person prior to it being repaired. If Marc cannot be contacted within 15 minutes, please provide pictures of the inside lower rail of the glass to confirm (2 passenger side and 1 driver side) cable clips are fully seated as well as pictures of the (2) regulator motor cable spring plungers to confirm they are also seated. Then proceed with the repair. Please email pictures to Marc at marc.galli@fcagroup.com.
08067162022-11-21. Service bulletin. ELECTRICAL SYSTEM. Ignition Node Module Replacement This bulletin involves replacing the ignition node module. Some customers may experience a no start issue when turning the key fob in the ignition node module(Fig. 1).
S22230000632022-11-07. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM; ELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM. Ambient Temperature Sensor Servicing.
08044162022-10-24. Service bulletin. ELECTRICAL SYSTEM. Flash: Radio Frequency Hub Module (RFHM) Enhancement
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.
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).
18003222022-10-17. Service bulletin. ELECTRICAL SYSTEM; FUEL SYSTEM, GASOLINE; SERVICE BRAKES; BACK OVER PREVENTION; EXTERIOR LIGHTING. Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation a technician may find the following DTCs set in the PCM memory: P064F - Unauthorized Software/Calibration Detected. P218F - Reductant No Flow Detected. P202E - (Diesel Exhaust Fluid) Reductant Injector Performance. U0001-00 - CAN C BUS. P1C55 - NOx Sensor Intermittent - Bank 1 Sensor 1. P24A5 - EGR Cooler Bypass Bank 1 Control Stuck. P207F - Reductant Quality Performance. P218F - Reductant No Flow Detected. U110E - Lost Ambient Temperature Message. The following Diagnostic Trouble Codes (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. The following improvements/enhancements are also included in this software release:Fuel pressure override test improvement for wiTECH. AC pressure sensor error threshold change. No crank, No start fix. Ambient Air Temperature Improvements. Stationary de-soot with WiTECH fix.
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
S21080001632022-09-26. Service bulletin. ELECTRICAL SYSTEM. No Start, Cannot Complete Module Replace, Proxi Or Module Proxi Configuration

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