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Service bulletins for the 2026 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.

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

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Only bulletins with type: Service bulletin are shown. Show all

Bulletins, newest first
1149112026-10-16. Service bulletin. SERVICE BRAKES. ACTUATOR - PARK BRAKE
08-149-26 REV. B2026-10-16. Service bulletin. STEERING; ELECTRICAL SYSTEM. Flash: Electric Power Steering (EPS) Module Updates Customers may experience the following: SYMPTOM: ● Battery drain due to the EPS system staying active after ignition off. This bulletin involves inspecting and possibly reprogramming the EPS module with the latest available software.
08-139-26 REV. B2026-10-16. Service bulletin. ELECTRICAL SYSTEM. Flash: Radio Frequency Hub Module (RFHM) Updates Customer may experience the following: SYMPTOM: ● Excessive Ignition Off Draw (IOD) on 12v vehicle battery if keys are left within proximity range. This bulletin involves inspecting and possibly reprogramming the RFHM module with the latest available software
08-372-262026-10-16. Service bulletin. ELECTRICAL SYSTEM. R1H U43.17 Software Update - FOTA Customers may experience one or more of the following: SYMPTOM: ● Screen Freeze or Radio Reset. ● Projection will not reconnect. ● Audio or music skipping and/or cutting out during playback. ● Apple CarPlay®/Android Auto® improvements: fixes for disconnections, freezes, screen distortion, and pairing issues. ● "Service Air Suspension System" message displayed when the Up or Down button becomes stuck. ● Trailer Surround Camera dimensions not retained after an ignition cycle. ● Distorted radio startup animation. ● Home screen media widget does not display the artist name. ● Turn signal blind spot view does not turn off after the turn is completed. ● Vehicle Settings page becomes frozen and unresponsive to touch input. ● "AUTO" Drive Mode takes several seconds to update after the mode is changed. ● Screen display size changes from normal to small without user input. ● Radio text displays in English when Portuguese is selected. ● Screen flickers, resets, or goes blank while driving. ● Steering wheel volume adjustment causes screen distortion. ● Surround Camera View guidelines remain visible when the setting is turned off in the radio. ● User is able to add a device to the head unit while the vehicle is in motion. ● Radio Bluetooth is unable to discover a phone even when the phone is directly in front of the radio. ● App screen turns completely black while driving. ● Phantom chimes occur without any warning messages or notifications. ● Left-side blind spot turn signal camera has a longer activation delay than the right-side camera. ● Radio switches to Android Auto® unexpectedly and displays a black screen. ● Phone cannot be reconnected to Bluetooth after being deleted. ● Glovebox and Apps text overlap on the MyCar or Performance Pages screen when the glovebox button is pressed. In addition, the following software enhancement is included: ● Remove Virtual Wall option from the Vehicle Settings menu.
1149112026-10-16. Service bulletin. SERVICE BRAKES. ACTUATOR - PARK BRAKE
08-149-26 REV. B2026-10-16. Service bulletin. ELECTRICAL SYSTEM; STEERING. Flash: Electric Power Steering (EPS) Module Updates Customers may experience the following: SYMPTOM: ● Battery drain due to the EPS system staying active after ignition off. This bulletin involves inspecting and possibly reprogramming the EPS module with the latest available software.
08-139-26 REV. B2026-10-16. Service bulletin. ELECTRICAL SYSTEM. Flash: Radio Frequency Hub Module (RFHM) Updates Customer may experience the following: SYMPTOM: ● Excessive Ignition Off Draw (IOD) on 12v vehicle battery if keys are left within proximity range. This bulletin involves inspecting and possibly reprogramming the RFHM module with the latest available software
08-372-262026-10-16. Service bulletin. ELECTRICAL SYSTEM. R1H U43.17 Software Update - FOTA Customers may experience one or more of the following: SYMPTOM: ● Screen Freeze or Radio Reset. ● Projection will not reconnect. ● Audio or music skipping and/or cutting out during playback. ● Apple CarPlay®/Android Auto® improvements: fixes for disconnections, freezes, screen distortion, and pairing issues. ● "Service Air Suspension System" message displayed when the Up or Down button becomes stuck. ● Trailer Surround Camera dimensions not retained after an ignition cycle. ● Distorted radio startup animation. ● Home screen media widget does not display the artist name. ● Turn signal blind spot view does not turn off after the turn is completed. ● Vehicle Settings page becomes frozen and unresponsive to touch input. ● "AUTO" Drive Mode takes several seconds to update after the mode is changed. ● Screen display size changes from normal to small without user input. ● Radio text displays in English when Portuguese is selected. ● Screen flickers, resets, or goes blank while driving. ● Steering wheel volume adjustment causes screen distortion. ● Surround Camera View guidelines remain visible when the setting is turned off in the radio. ● User is able to add a device to the head unit while the vehicle is in motion. ● Radio Bluetooth is unable to discover a phone even when the phone is directly in front of the radio. ● App screen turns completely black while driving. ● Phantom chimes occur without any warning messages or notifications. ● Left-side blind spot turn signal camera has a longer activation delay than the right-side camera. ● Radio switches to Android Auto® unexpectedly and displays a black screen. ● Phone cannot be reconnected to Bluetooth after being deleted. ● Glovebox and Apps text overlap on the MyCar or Performance Pages screen when the glovebox button is pressed. In addition, the following software enhancement is included: ● Remove Virtual Wall option from the Vehicle Settings menu.
S2609000006 REV.A2026-10-07. Service bulletin. ENGINE. Customer indicates Malfunction Indicator Light (MIL) or Check Engine Light (CEL) coming on.
S26210000042026-10-07. Service bulletin. POWER TRAIN. The Customer May Complain About a Popping Noise, Grinding Noise, or an Intermittent No Reverse or Forward Transmission Engagement. The Tech May Find Damaged and/or Worn Transmission Output Shaft Splines (850RE Transmission Only)
91009262026-10-07. Service bulletin. ELECTRICAL SYSTEM. WIRELESS CHARGER Welcome GREEN LED not turning ON after multiple IGN ON/OFF without sleep cycle and no phone on the charging pads. Part numbers affected: 68630089AA 68630088AB 68649038AA Welcome Green LED turns on for 1 second after multiple IGN ON/OFF without sleep cycle and no phone on the charging pad. Intent of this condition is to notify the customer/dealership that the Wireless Charging Pad is ready to charge. Do not report as warranty claim, no impact to wireless charger functionality. Part numbers affected: 68630089AB 68630088AD 68649038AB Advice to dealership: Do no replace wireless charger PNs 68630089AA,68630088AB,68649038AA if no Welcome GREEN LED is seen after multiple IGN ON/OFF without sleep cycle and no phone on the charging pads. This feature is available in the successor NIKs, no impact to wireless charger functionality.
08-231-26 REV. D2026-10-07. Service bulletin. SUSPENSION. Service Air Suspension Message Customers may experience the following: SYMPTOM: ● "Service Air Suspension" warning message displayed after manually changing the air suspension ride height using the Display Screen Module (DSM)."
23-048-26 REV. A2026-10-07. Service bulletin. STRUCTURE:BODY; ELECTRICAL SYSTEM. Multi-function Tailgate Requires High Closing Effort Customers may comment on the following: SYMPTOM: ● Difficulty closing the right-hand Multi-Function Tailgate due to high closing effort. This bulletin involves inspecting and possibly adjusting the Multi-Function tailgate.
18-075-26 REV. A2026-10-07. Service bulletin. POWER TRAIN. Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P0111-00 - Intake Air Temperature Sensor 1 Circuit Performance (In Active or Stored status) ● P0071-00 - Ambient Air Temperature Sensor Performance (In Active or Stored status) ● P0073-00 - Ambient Air Temperature Sensor Circuit "A" High (In Active or Stored status) ● P062B-00 - Internal Control Module Fuel Injector Control Performance ● P0E7E-00 - Coolant Bypass Valve B Control Circuit (In Active or Stored status) ● P2AF6-00 - Starter Relay 3 Stuck Off (with PCR). ● P00FD - Battery B State Of Charge Performance. ● P013F-00 - O2 Sensor 2/1 Delayed Response - Lean To Rich Bank. (In Active or Stored status) ● P014A-00 - O2 Sensor 2/2 Delayed Response - Rich to Lean Bank. (In Active or Stored status) ● P013E-00 - O2 Sensor 2/1 Delayed Response - Rich to Lean Bank. (In Active or Stored status) ● P014B-00 - O2 Sensor 2/2 Delayed Response - Lean To Rich Bank. (In Active or Stored status) ● P06DD-00 - Engine Oil Pressure Control Circuit Performance/Stuck Off.(In Active or Stored status) ● P0073-00 - Ambient Air Temperature Sensor Circuit "A" High. (In Active or Stored status) ● P0071-00 - Ambient Air Temperature Sensor Performance. (In Active or Stored status) ● P2C90-00 - Crankcase Ventilation System - Hose "A" Disconnected. (In Active or Stored status) ● P1CEA-00 - Boost Side EVAP Purge System Performance. (In Active or Stored status) ● P05BD-00 - Stop-Start Mode Switch Range/Performance. (In Active or Stored status) ● P00C6-00 - Fuel Rail Pressure Too Low - Engine Cranking. (In Active or Stored status) ● U0673-00 - Lost Communication With Ion Sense Module. (In Active or Stored status) Customers may also comment on one or more of the following: ● High Elevation misfire. Electronic Start Stop (ESS) inoperative or "Auto Stop/Start Not Ready" message displayed in the Instrument Panel Cluster (IPC). NOTE: **Normal Auto Stop/Start inhibit conditions should not be considered the cause of this concern. The condition is associated with DTC P2AF6.** ● "Door Ajar" message on when door is closed. ● BSCM MIL illumination request not setting the MIL in the PCM High oil level indicator illuminated on the IPC. **The following software enhancements are now available: ● Improvements to prevent misfire DTCs P0300-P0306 that may set if one of the following DTCs set: ○ P0335-00 - Crankshaft Position Sensor Circuit. ○ P0336-00 - Crankshaft Position Sensor Performance.** This bulletin involves inspecting and possibly reprogramming the PCM with the latest available software.
23-048-262026-09-30. Service bulletin. STRUCTURE:BODY. Not applicable to vehicles built for US market. Multi-function Tailgate Requires High Closing Effort Customers may comment on the following: SYMPTOM: ● Difficulty closing the right-hand Multi-Function Tailgate due to high closing effort. This bulletin involves inspecting and possibly adjusting the Multi-function tailgate.
21-062-262026-09-30. Service bulletin. POWER TRAIN. Transmission Rattle Customers may comment on the following: SYMPTOM: ● Rattle noise coming from the transmission. This bulletin involves inspecting and possibly tightening the transmission oil heater mounting nuts to proper specification.
91008982026-09-17. Service bulletin. ENGINE. Engine PNs: MY 24-26 WD/DT (5.7L) Code P00B is being misdiagnosed and incorrect parts are being installed causing over repair. Refer to SOL S2609000006 The IAFM Foam Engine Valley Cover (PN 53013735AB) does not provide sufficient clearance for proper routing of the MDS solenoid jumper harness (PN 05148163AE). As a result, the harness may become compressed by the foam cover. To prevent unnecessary part replacement, the MDS solenoid jumper harness (PN 05148163AE) should be inspected for damage or pinch conditions prior to replacing the following part numbers: Engine PNs: 68409343AA 68409357AA 68450915AA OCV PNs: 53022338AB Phaser PNs: 53022298AA 53022298AB
08-328-26 REV. A2026-09-10. Service bulletin. ELECTRICAL SYSTEM. Wrong Instrument Panel Cluster (IPC) Configuration Customers may comment on one or more the following: ● Oil pressure gauge and battery life gauges are blank or missing from the IPC Fig. 1. ● The Trailer Brake radial slider movement will not move past one bar and is inaccurate Fig. 2. NOTE: The Trailer Brake percentage does display correctly. This bulletin supersedes Technical Service Bulletin (TSB) 08-328-26, date of issue September 03, 2026,which should be removed from your files. All revisions are highlighted with **asterisks** and includean updated LOP. This Technical Service Bulletin (TSB) has also been released as a Rapid Service Update (RSU) 26-164, date of issue September 03, 2026. All applicable RSU VINs have been loaded. To verify this RSU service action is applicable to the vehicle, use VIP or perform a VIN search in DealerCONNECT/ServiceLibrary. All repairs are reimbursable within the provisions of warranty.
08-328-262026-09-10. Service bulletin. ELECTRICAL SYSTEM. Wrong Instrument Panel Cluster (IPC) Configuration Customers may comment on one or more the following: SYMPTOM: ● Oil pressure gauge and battery life gauges are blank or missing from the IPC Fig. 1. ● The Trailer Brake radial slider movement will not move past one bar and is inaccurate Fig. 2. NOTE: The Trailer Brake percentage does display correctly. This bulletin involves performing a reconfigure and Proxi alignment on the IPC.
91008922026-09-10. Service bulletin. STRUCTURE:BODY. Switch - Tailgate Handle Prior to replacing the Tailgate Handle Switch, please review MasterTech Article - Tailgate Handle Inoperative.
S2418000012 REV.C2026-09-08. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. Mil On/Check Engine Lamp (CEL) On, Engine Runs Rough
9100867 Rev 12026-09-03. Service bulletin. AIR BAGS; ELECTRICAL SYSTEM. MODULE Air Bag Control CAUTION: If ORC contains active or stored B2207 DTC AND the vehicle contains a Pulse module (or other 3rd party non-approved devices, see below for more details) - DO NOT SUBMIT ORC WARRANTY CLAIM. Please ensure vehicle voltage is within specified limits. Most faults will store after an ignition cycle if the vehicle voltage is within specified limits. Check TERMINAL RETENTION ON CONNECTOR C1 PIN 11, CIRCUT D 282 CAN FD+_2 and repair any loose connection. For Loss OF Communication faults, please follow the diagnostic service routine in Service Library and confirm these steps before ORC replacement. Reference Service Library Section 28 - DTC-Based Diagnostics / MODULE, Body Control (BCM) / Diagnosis and Testing / U0151-00-LOST COMMUNICATION WITH RESTRAINTS CONTROL MODULE. The Standard Procedure / COMMUNICATION DIAGNOSTIC PROCEDURE must be performed before replacing any component(s) or module(s). AT A MINIMUM THESE PROCEEDURES MUST BE CHECKED: 1). (Refer to 28 - DTC-Based Diagnostics/MODULE, Body Control (BCM) / Standard Procedure). 2). COMMUNICATIONS DIAGNOSTIC PROCEDURE - LOSS OF COMMUNICATION DIAGNOSTIC PROCEDURE If the vehicle has ORC fault B2207 - Occupant Restraint Controller Internal 1 either active or stored, please check for 3rd party (non-Mopar) installed "Pulse" unit at the CHMSL & Cargo Lamp wires. Please take the Service action to check & remove Pulse unit (or other 3rd party brands) spliced in circuit# L56, L14, L51, and/or ground Z946 for the Center High Mounted Stop Lamp (CHMSL) and Cargo Lamps. Please correct the wiring to original OEM standard and replace the ORC module. Please document the "Pulse" unit (and/or other device names for the same function) in the service repair history. The "Pulse" unit (or other brand names) is a 3rd party, non-MOPAR circuit that when spliced into the CHIMSL circuit, can make the CHIMSL blink 3 times before becoming solid on upon activation of the brake switch. Please do not submit warranty claim when the Internal-1 DTC is confirmed to be caused by the "Pulse" or similar unit.
91008862026-09-03. Service bulletin. STRUCTURE:BODY. Sunroof Assy Sunroof glass and/or sunshade cannot open/close (inoperative). 1. Please follow the service procedure: 08-Electrical/8N - Power Systems/ Power Top, Sunroof/ Diagnosis and Testing. 2. If sunroof motors continue to be inoperative, please contact STAR and reference SET 1599. ***This should be done before trying to replace the sunroof motors.***
08-231-26 REV. C2026-09-03. Service bulletin. SUSPENSION. Service Air Suspension Message Customers may experience the following: SYMPTOM: ● "Service Air Suspension" warning message after altering ride height using the digital buttons on the Display Screen Module (DSM).
9100861 Rev 42026-08-26. Service bulletin. ELECTRICAL SYSTEM. PUMP, Auxiliary Coolant, High Temperature Before replacing the High Temperature Auxiliary Coolant Pump, please perform the following steps: 1) Key ON/OFF and let the after-run pump run for at least 20 minutes before moving on to step #2. 2) Inspect the pump connector area for presence of water. 3) Inspect the pump connector for corrosion. 4) Inspect the pump for coolant contamination as this can cause the pump to stall. 5) Inspect battery terminals for damage to rule out a battery drainage issue. 6) Ensure the PCM is up-to-date with the latest available flash.

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