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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 component: Electrical system are shown. Show all

Bulletins, newest first
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.
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.
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.
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.
OTHERDOC_1752026-09-17. Other. ELECTRICAL SYSTEM. Radio Over The Air Update to U43.17 R1H Software Version (FOTA) Customers may experience one or more of the following:- Navigation Stability - Android Auto & Carplay stability & connectivity- Air suspension- Trailer Tow pages- Power management app- Distorted/glitchy display prior to start‑up animation- Text appearance display- Widget incorrect display- Turn signal blind spot response timing- Audio cut out - Drive Modes selection- Park assist Guidelines selctio
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.
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.
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.
1140722026-08-26. Service bulletin. ELECTRICAL SYSTEM. MOTOR - WINDOW REGULATOR
1140732026-08-26. Service bulletin. ELECTRICAL SYSTEM. MOTOR - WINDOW REGULATOR
08-313-26 REV. A2026-08-19. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE:BODY. Front Windows Auto-Reverse During Closing Customers may experience the following: SYMPTOM: ● Front windows travel to the closed position but then auto-reverses. This bulletin involves inspecting the date codes on both front power window regulator motors and, if necessary, replacing one or both power window regulator motors
08-313-262026-08-19. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE:BODY. Front Windows Auto-Reverse During Closing Customers may experience the following: SYMPTOM: ● Front windows travel to the closed position but then auto-reverses. This bulletin involves inspecting the date codes on both front power window regulator motors and, if necessary, replacing one or both power window regulator motors
91008792026-08-13. Service bulletin. ELECTRICAL SYSTEM. Front Passenger Display Module Verify "Z" part number availability. Order a "Z" part number for all Exchange Orders, Warranty, Mopar, Customer Pay and Service Contract. Order "68" part number for New, Unsold units only.
08-308-262026-08-13. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. Flash: Electronic Shift Module (ESM) Updates Customers may comment on one or more of the following: SYMPTOM: ● Shifter is unresponsive. ● Unable to start the vehicle. ● “Service Shifter” message displayed in the Instrument Panel Cluster (IPC). This bulletin involves inspecting and possibly reprogramming the ESM with the latest available software.
08-280-26 REV. A2026-07-29. Service bulletin. ELECTRICAL SYSTEM. Flash: Integrated Trailer Control Module (ITCM) Update Customers may experience the following: SYMPTOM: ● 'Check Trailer Turn Lamp' message in the Instrument Panel Cluster (IPC) with no trailer connected. This bulletin involves inspecting and possibly reprogramming the ITCM with the latest software.
S2508000109 REV.B2026-07-23. Service bulletin. ELECTRICAL SYSTEM. Instrument Cluster Fuel and Coolant Temperature Gauge Do Not Reset To The Home Position And Show Incorrect Values
08-282-262026-07-23. Service bulletin. ELECTRICAL SYSTEM. Battery Pack Control Module (BPCM) Software Update Customers 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) has been set: ● P1A29-00 - Cell Supervisory Circuit A Failure. ● U3017-00 - Control Module Timer/Clock Performance. Customers may also comment on one or more of the following: ● Vehicle in limp-home mode. ● Start/Stop feature will be disabled. This bulletin involves reprogramming the BPCM with the latest available software.
08-280-262026-07-23. Service bulletin. ELECTRICAL SYSTEM. Flash: Integrated Trailer Control Module (ITCM) Update Customers may experience the following: SYMPTOM: ● 'Check Trailer Turn Lamp' message in the Instrument Panel Cluster (IPC) with no trailer connected. This bulletin involves inspecting and possibly reprogramming the ITCM with the latest software.
08-278-262026-07-23. Service bulletin. ELECTRICAL SYSTEM. Not applicable to vehicles built for US market. Digital Key Control Module (DKCM) SOP 5.0 FOTA Only The customer may comment on the following: SYMPTOM: ● Smart Phone As Key does not work. ● Unable to pair their device as a Digital Key. ● Unable to see Digital Key tile in their RAM App. ● Ability to pair the key but unable to see the Lock/Unlock/Panic/Remote Climate buttons in their wallet. (Even though their phone is qualified to have the feature). ● Vehicle proximity lights wake up too often when near the vehicle with their phone.

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