2026 Ram 3500 TSBs

Setting In The Powertrain Control Module (PCM)

vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): B1560 - 11 Cellular Antenna 1 - short to ground. B1561 - 11 Cellular Antenna 2 - short to ground. B1562 - 14 GPS Antenna short to ground or open. B22A9 - 96 ECU internal performance-component internal failure. Customers may also experience the following: "Uconnect Box Required Service" Message in Radio Display. This bulletin involves reprogramming the TBM with the latest available software.

Rain Sensor Internal Failure.

1 do not remember (hold) the last position the switches were in after the ignition is cycled. Vehicles equipped with booms may experience operators stuck in booms as the vehicle has shut off during operations, leaving the boom operator with no way to restart the vehicle. This bulletin involves inspecting and reprogramming the BCM with the latest available software. M08 FSAR-TSB-6916 -2-

Diagnostic Trouble Codes (DTCs): B1A08-00 - RKE Fob 1 Performance. B1A09-00 - RKE Fob 2 Performance. Customers may also comment on one or more of the following: Lock / unlock from keyfob inoperable. Passive entry inoperable. This bulletin involves reprogramming of the RFHM with the latest available software.

Rain Sensor Internal Failure.

Malfunction Indicator Lamp (MIL) illumination and the vehicle may exhibit/set the following Diagnostic Trouble Code (DTC): B1E21-96 - Backup Battery Component Internal Failure.

the radio: "Battery of Uconnect Box requires service. SOS call and related functions may be unavailable. Please visit an authorized dealer." PLEASE do not Replace the TBM module, only replace TBM Internal Battery (inside Telematics Box Module) and order PN68493347

Indicator Lamp (MIL) illumination and the vehicle may exhibit/set the following Diagnostic Trouble Code (DTC): B1E21-96 - Backup Battery Component Internal Failure

Remote Start Stop (WRSS)

Remote Start Stop (WRSS)

If the security gateway module has set the security module certificate missing or invalid DTC (U3033-00 or U3033-01), it is being set erroneously. This DTC does not have any customer related symptoms affecting a vehicles operation. No service repairs and or parts replacements should be attempted for this specific DTC, the DTC will always appear as active. SOL released for this DTC : S2508000014 2. SGW not responding to diagnostic and showing offline in CDA/witech. TSB release to address above concern. 08-322-25, 08-323-25, 08-324-25, 08-325-25, 08-326-25, 08-327-25, 08-328-25, 08-329-25

responding to diagnostics and showing offline. If message for FOTA apprears, then a manual flash is required for SGW update. Diagnostic Trouble Code (DTC) U3033 - 00 Control module security certificate Missing/Invalid is active or stored and cannot clear. This DTC will not turn on the Malfunction Indicator Light (MIL).

responding to diagnostics and showing offline. If message for FOTA apprears, then a manual flash is required for SGW update. Diagnostic Trouble Code (DTC) U3033 - 00 Control module security certificate Missing/Invalid is active or stored and cannot clear. This DTC will not turn on the Malfunction Indicator Light (MIL).

Sensor(s) Not Reading And Or Showing Dashes.

responding to diagnostics and showing offline. If message for FOTA apprears, then a manual flash is required for SGW update. Diagnostic Trouble Code (DTC) U3033 - 00 Control module security certificate Missing/Invalid is active or stored and cannot clear. This DTC will not turn on the Malfunction Indicator Light (MIL). This bulletin involves flashing the SGW to the latest software level in the case that the FOTA did not function.

responding to diagnostics and showing offline. If message for FOTA apprears, then a manual flash is required for SGW update. Diagnostic Trouble Code (DTC) U3033 - 00 Control module security certificate Missing/Invalid is active or stored and cannot clear. This DTC will not turn on the Malfunction Indicator Light (MIL). This bulletin involves flashing the SGW to the latest software level in the case that the FOTA did not function.

experience one or more of the following: - Error display of "Uconnect Box Requires Service/Wifi Unavailable" popups; [ TBM DTC B22A9-96 Internal Performance Failure ]. - Error display of "Uconnect Box Requires Service" popups; [ TBM DTCs B1560, B1561, B1562 - Antenna loose connection ]. - TBM sleep mode not working causing battery drain in some cases. This bulletin applies to vehicles equipped with a Global Telematics Box Module (TBM) (Sales Code RDG)

NOTE: The transmission will actually be in Park and able to hold the vehicle, but the cluster display would indicate Neutral, preventing the engine from shutting off

and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): **P2540-00 - Low Pressure Fuel System Sensor Circuit Range/Performance. P0506-00 - Idle Control System RPM - Lower Than Expected. P20CF-00 - Exhaust Aftertreatment Fuel Injector "A" Stuck Open. P20DB-00 - Exhaust Aftertreatment Fuel Supply Control Stuck Open. P040B-00 - EGR Temperature Sensor 1 Circuit Performance. U0109-00 - Lost Communication With Fuel Pump Control Module. P1451-00 - Diesel Particulate Filter System Performance. P2463-00 - Diesel Particulate Filter Restriction - Soot Accumulation Bank 1. P1191-00-Inlet Air Temperature Sensor Rational/Performance. P242F-00-Diesel Particulate Filter Restriction - Ash Accumulation. P229F-00 - NOX Sensor Circuit Range/Performance - Bank 1. P2281-00 - Air Leak Between MAF And Throttle Body.** P0087-00 - Fuel Rail Pressure Too Low. P2540-00 - Low Pressure Fuel System Sensor Circuit Range/Performance. P2543-00 - Low Pressure Fuel System Sensor Circuit Intermittent. P214D-00 - SCR NOx Catalyst Outlet Temperature Too High During Particulate Filter Regeneration. P242B-00 - Exhaust Gas Temperature Sensor Circuit Performance - Bank 1 Sensor 3. P24DA - Particulate Matter Sensor Exhaust Sample Error Bank 1. P20EE-00 - SCR NOx Catalyst Efficiency Below Threshold - Bank 1 Catalyst 1. P226C-00 - Turbocharger Boost Control "A" Slow Response. P2281-00 - Air Leak Between Maf And Throttle Body. P229F-00 - Nox Sensor Circuit Range/performance - Bank 1. P0100-00 - Mass Or Volume Air Flow Sensor "A" Circuit. P203F-00 - Reductant Level Too Low. P0423-00 - Heated Catalyst Efficiency Below Threshold Bank 1. P06B9-00 - Cylinder 1 Glow Plug Circuit Performance. P06BA-00 - Cylinder 2 Glow Plug Circuit Performance. P06BB-00 - Cylinder 3 Glow Plug Circuit Performance.

illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): **P20BC-00 - Reductant Suction Line Heater Control Circuit High. - in Active or Stored status. P202C-00 - Reductant Tank Heater Control Circuit High. - in Active or Stored status. P20E8-00 - Reductant Pressure Too Low. - in Active or Stored status. P209F-00 - Reductant Tank Heater Control Circuit Performance. - in Active or Stored status. P208B-00 - Reductant Pump 1 Control Performance. - in Active or Stored status.** Customers may also comment one or more the following: "Service Diesel Exhaust Fluid (DEF) System See Dealer" message in the Electronic Vehicle Information Center (EVIC). NOTE: This message will appear after the DEF pump fails to build pressure, a fault is set and the message continues to be displayed for 80 km (50 mi) of driving. "Speed Will Be Limited To 8 kph (5 mph)" message displayed in the EVIC. CAUTION! If the vehicle is not taken to the dealership BEFORE reaching 241 km (150 mi) from when the "Service Diesel Exhaust Fluid (DEF) System See Dealer" message is displayed, the vehicles speed will be limited to 8 kph (5 mph). Reduced acceleration from turbo. This bulletin reprogramming the DCU with the latest available software.

is unable to switch the ignition to OFF when in Park gear. After shifting into Park, the Instrument Panel Cluster (IPC) will display that the transmission is in Neutral. NOTE: The transmission will actually be in Park and able to hold the vehicle, but the cluster display would indicate Neutral, preventing the engine from shutting off. This bulletin involves inspecting and possibly reprogramming the TCM with the latest available software.

and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): P0072-00 - Ambient Air Temperature Sensor Circuit "A" Low. P0087-00 - Fuel Rail Pressure Too Low. P2540-00 - Low Pressure Fuel System Sensor Circuit Range/Performance. P2543-00 - Low Pressure Fuel System Sensor Circuit Intermittent. P20EE-00 - SCR Nox Catalyst Efficiency Below Threshold - Bank 1 Catalyst 1. P203F-00 - Reductant Level Too Low. P2698-00 - Exhaust Aftertreatment Fuel Injector "A" Performance. P06B9-00 - Cylinder 1 Glow Plug Circuit Performance. P06BA-00 - Cylinder 2 Glow Plug Circuit Performance. P06BB-00 - Cylinder 3 Glow Plug Circuit Performance. P06BC-00 - Cylinder 4 Glow Plug Circuit Performance. P06BD-00 - Cylinder 5 Glow Plug Circuit Performance. P06BE-00 - Cylinder 6 Glow Plug Circuit Performance. Customers may also comment on one or more of the following: Diesel Exhaust Fluid (DEF) level gauge inaccuracy. Poor cold start performance. Unable to initiate manual Diesel Particulate Filter (DPF) regen through Electronic Vehicle Information Center (EVIC). While using the remote Power Take-Off (PTO) feature, the PTO may not engage or resume operation properly, after disengaging: 1. Engine is running with PTO engaged. 2. Operator is using the equipment, for example a bucket attachment. 3. Operator gets in position, then uses remote start/stop button to turn truck off while they perform a task. 4. The task is completed, then operator is ready to move the bucket so they use remote start/stop to start the engine. 5. The engine starts, but PTO does not automatically re-engage so their equipment doesnt operate. This bulletin involves inspecting and possibly reprogramming the PCM with the latest available software.

and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): P0420 - Catalyst System Efficiency Below Threshold Bank 1. P0430 - Catalyst System Efficiency Below Threshold Bank 2. Customers may also experience the following: Catalyst damage and restricted exhaust flow, resulting in a reduction of engine power. This bulletin involves reprogramming the PCM with the latest available software.

illumination and the vehicle may exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): P0826-00 - Up/Down Shift Switch. P0827-00 - Up/down Shift Switch Circuit Low. P085F-00 - Up And Down Shift Switch Circuit Range/performance. Customers may also experience one or more of the following: **Customer is unable to switch the ignition to OFF when in Park gear. After shifting into Park, the Instrument Panel Cluster (IPC) will display that the transmission is in Neutral.** NOTE: **The transmission will actually be in Park and able to hold the vehicle, but the cluster display would indicate Neutral, preventing the engine from shutting off.** Rough/bumpy 2-3 power on upshifts and/or 3-2 coast down shifts. Vehicle enters into limp home mode. Other software improvements: Decreased sensitivity to DTCs P1D8A and P1D8B. This bulletin involves reprogramming the TCM with the latest available software.

illumination and the vehicle may exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): P0826-00 - Up/Down Shift Switch. P0827-00 - Up/down Shift Switch Circuit Low. P085F-00 - Up And Down Shift Switch Circuit Range/performance. Customers may also experience one or more of the following: **Customer is unable to switch the ignition to OFF when in Park gear. After shifting into Park, the Instrument Panel Cluster (IPC) will display that the transmission is in Neutral.** NOTE: **The transmission will actually be in Park and able to hold the vehicle, but the cluster display would indicate Neutral, preventing the engine from shutting off.** Rough/bumpy 2-3 power on upshifts and/or 3-2 coast down shifts. Vehicle enters into limp home mode. Other software improvements: Decreased sensitivity to DTCs P1D8A and P1D8B. This bulletin involves reprogramming the TCM with the latest available software.

and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): P0087-00 - Fuel Rail Pressure Too Low. P2540-00 - Low Pressure Fuel System Sensor Circuit Range/Performance. P2543-00 - Low Pressure Fuel System Sensor Circuit Intermittent. P214D-00 - SCR NOx Catalyst Outlet Temperature Too High During Particulate Filter Regeneration. P242B-00 - Exhaust Gas Temperature Sensor Circuit Performance - Bank 1 Sensor 3. P24DA - Particulate Matter Sensor Exhaust Sample Error Bank 1. P20EE-00 - SCR NOx Catalyst Efficiency Below Threshold - Bank 1 Catalyst 1. P226C-00 - Turbocharger Boost Control "A" Slow Response. P2281-00 - Air Leak Between Maf And Throttle Body. P229F-00 - Nox Sensor Circuit Range/performance - Bank 1. P0100-00 - Mass Or Volume Air Flow Sensor "A" Circuit. P203F-00 - Reductant Level Too Low. P0423-00 - Heated Catalyst Efficiency Below Threshold Bank 1. P06B9-00 - Cylinder 1 Glow Plug Circuit Performance. P06BA-00 - Cylinder 2 Glow Plug Circuit Performance. P06BB-00 - Cylinder 3 Glow Plug Circuit Performance. P06BC-00 - Cylinder 4 Glow Plug Circuit Performance. P06BD-00 - Cylinder 5 Glow Plug Circuit Performance. P06BE-00 - Cylinder 6 Glow Plug Circuit Performance. P020A-00 - Cylinder 1 Injection Timing. P0263-00 - Cylinder 1 Contribution/Balance. P0266-00 - Cylinder 2 Contribution/Balance. P0269-00 - Cylinder 3 Contribution/Balance. P0272-00 - Cylinder 4 Contribution/Balance. P0275-00 - Cylinder 5 Contribution/Balance. P0278-00 - Cylinder 6 Contribution/Balance. P026B-00 - Injection Timing Performance. Customers may experience one or more of the following: Inverter drops out when shifting from park to drive. Diesel Exhaust Fluid level gauge inaccuracy. This bulletin involves reprogramming the PCM with the latest available software.

illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): C003A-62 - Right Rear Wheel Speed Sensor - Signal Compare Failure. C0037-62 - Left Rear Wheel Speed Sensor - Signal Compare Failure. C003A-2F - Right Rear Wheel Speed Sensor - Signal Erratic. C0037-2F - Left Rear Wheel Speed Sensor - Signal Erratic. Customers may experience one or more of the following: The check engine light illuminates. The ABS light illuminates. The traction control light illuminates. The forward collision warning lamps light illuminates. The 4WD unavailable message on the Instrument Panel Cluster (IPC). Vehicle might not shift from drive to park or vice versa. The vehicle safe hold systems are in place if the vehicle does not shift to park. Vehicle will not shut off. This bulletin involves replacing both rear wheel speed sensors.

Clicking noise. Engine noise.

please reference SOL Case #S2508000062 prior to replacement of Transfer Case shift motor.

You can filter down on the excel file by your dealer name or dealer code. There are two tabs at the bottom of the sheet- showing the VIN detail and overall snapshot for Cinci. As soon as more information becomes available I will get that out to to ASAP. 03D - Certain 2025 and 2026 model year equipped with a trailer tow package. (DT) Ram 1500 Pickup (DJ) Ram 2500 Pickup (D2) Ram 3500 Pickup (DD) Ram 3500 Cab Chassis (DP) Ram 4500/5500 Cab Chassis 2024 through 2026 model year (KM) Jeep Wagoneer S 2026 model year (KM) Jeep Cherokee vehicles NOTE: The recall units are NOT showing in VOIM properly right now HQ is aware VINs show properly on Service, VIN Inquiry, Configurator Any communications regarding Recalls that are sent to multiple Dealer recipients are required to be uploaded to the NHTSA portal. This includes Vin Lists of Unsold and completion % updates.

illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): C0037-2F - Left Rear Wheel Speed Sensor - Signal Erratic. C003A-2F - Right Rear Wheel Speed Sensor - Signal Erratic. Customers may also comment on the following: When either or both DTCs are set the ABS light will turn on and vehicle will lose ABS, Trailer Sway Control (TSC) and Electronic Stability Control (ESC) functions. , new LOPs, new Claims Data info, new

illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): C0037-2F - Left Rear Wheel Speed Sensor - Signal Erratic. C003A-2F - Right Rear Wheel Speed Sensor - Signal Erratic. Customers may also comment on the following: When either or both DTCs are set the ABS light will turn on and vehicle will lose ABS, Trailer Sway Control (TSC) and Electronic Stability Control (ESC) functions. This bulletin involves reprogramming the BSCM module with the latest available software.

illumination and the vehicle must exhibit/set at least one of the following Diagnostic Trouble Codes (DTCs): C2203-00 - Current VIN Missing/Mismatch. C008E-00 - ECU Internal Performance with Environmental Data Decode Byte: APP_FATAL_ERROR_APP_CONFIGURATION_ERROR_FAULT. Customers may also comment on one or more of the following: The Instrument Panel Cluster (IPC) is displaying one or more of the following messages: "ACC/FCW Unavailable Service Required". "ACC/FCW Limited Functionality". "Active Lane Management Limited Functionality." "Active Lane Management Unavailable Service Required". "Automatic Emergency Braking (AEB) Limited Service Required". "AEB Unavailable Service Required". "Blindspot Detection Unavailable Service Required" "Blindspot Detection Limited Functionality" Customer states that the ADAS features are disabled. This bulletin involves reprogramming of the CADM with the latest available software and possibly performing a Forward Facing Camera (FFC) Dynamic Service Alignment / Calibration procedure. J08 FSAR-TSB-6773 -2-

or B1570-93

TBM Setting Stored Or Pending DTCs B22A9, B1560, B1561, B1562

following: - Navigation non-functional, not updating current position. - Screen Off hard key inoperative, Soft key on radio screen still operational. - CarPlay and Android Auto stability issues.

Operational

dealer instructions for 79C are released.

lamps (headlamps, fog lamps, grille lamps, logo lamps or signature lamps) assemblies are fogged with a light layer of condensation on the inside of the lenses*

Key Not Detected message, Tire Pressure Warning Lamp On, Passive Inoperative

a proper evaluation of the issue. If this does not correct the issue, please follow the steps in SOL: S2508000039

exterior surface areas of the hinges, doors, fenders, swing gates or liftgates.

exterior surface areas of the hinges, doors, fenders, swing gates or liftgates.

exterior surface areas of the hinges, doors, fenders, swing gates or liftgates

Customer may state that this occurs when driving at speeds between 5 kph (5 mph) and 20 kph (12 mph) after having previously accelerated from a very low speed and having backed off of the accelerator pedal for a short time. This bulletin involves reprogramming the TCM with the latest available software.

illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): P0827-00 - Up and Down Shift Switch Circuit Low. P0826-00 - Up and Down Shift Switch Circuit. P085F-00 - Up and Down Shift Switch Circuit Range/Performance. The customer may describe one or more of the following: Vehicle stuck in default gear, and possibly stranded for many minutes. Rough or bumpy 2-3 power on upshifts and/or 3-2 coast down shifts. Vehicle enters into limp home mode. In addition, the following software enhancement is available: Decreased sensitivity to DTCs P1D8A and P1D8 This bulletin involves reprogramming the TCM with the latest available software.

illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): P0827-00 - Up and Down Shift Switch Circuit Low. P0826-00 - Up and Down Shift Switch Circuit. P085F-00 - Up and Down Shift Switch Circuit Range/Performance. The customer may describe one or more of the following: Vehicle stuck in default gear, and possibly stranded for many minutes. Rough or bumpy 2-3 power on upshifts and/or 3-2 coast down shifts. Vehicle enters into limp home mode. In addition, the following software enhancement is available: Decreased sensitivity to DTCs P1D8A and P1D8 This bulletin involves reprogramming the TCM with the latest available software.

Pickup 2025 - 2026 (D2) RAM 3500 Pickup 2025 - 2026 (DD) RAM 3500 Cab Chassis 2025 - 2026 (DF) RAM 3500 10K Lb. Cab Chassis2025 - 2026 (DP) RAM 4500/5500 Cab Chassis Customers may experience one or more of the following: - Power Inverter (110V connection) drops out when shifting from P to D - DEF (Diesel Exhaust Fluid) level gauge inaccuracy - Poor cold start performance - Instrument Panel Cluste MIL (Malfunction Indicator Light) ON; Possible P-codes: P0087/P2540/P2543 Fuel Pressure P214D/P242B SCR Temperature P24DA PM Sensor P20EE SCR Efficiency P226C/P2281 Mass Charge Flow P229F System Outlet NOx Sensor P0100 MAF Sensor P203F DEF Level P0423 DOC Efficiency

Diagnostic Trouble Code (DTC) P203F Reductant Level Too Low.

build-up.

03D Recall - Launching Today - 2.10 Cleveland West / East Ohio! For your information, VINs live for the below recall went live today with remedy available. Please reach out with any questions! 03D - Certain 2025 and 2026 model year equipped with a trailer tow package. (DT) Ram 1500 Pickup (DJ) Ram 2500 Pickup (D2) Ram 3500 Pickup (DD) Ram 3500 Cab Chassis (DP) Ram 4500/5500 Cab Chassis 2024 through 2026 model year (KM) Jeep Wagoneer S 2026 model year (KM) Jeep Cherokee vehicles NOTE: The recall units are NOT showing in VOIM properly right now HQ is aware VINs show properly on Service, VIN Inquiry, Configurator FCA REDACTED CONTENT

seat and/or heated steering wheel are inoperative. This bulletin involves reprogramming the HVAC with the latest software.

READ- IMPORTANT- 03D Recall - Launching Today - 2.10 FCA REDCACTED CONTENT List of people and emails that received the recall list: FCA REDCACTED CONTENT Thank you, FCA REDCACTED CONTENT From: FCA REDCACTED CONTENT Sent: Tuesday, February 10, 2026 11:52 AM To: FCA REDCACTED CONTENT Subject: PLEASE READ- IMPORTANT- 03D Recall - Launching Today - 2.10 Please see the attached sheet for those units you have impacted in stock. As soon as more information becomes available I will get that out to you ASAP. 03D - Certain 2025 and 2026 model year equipped with a trailer tow package. (DT) Ram 1500 Pickup (DJ) Ram 2500 Pickup (D2) Ram 3500 Pickup (DD) Ram 3500 Cab Chassis (DP) Ram 4500/5500 Cab Chassis 2024 through 2026 model year (KM) Jeep Wagoneer S 2026 model year (KM) Jeep Cherokee vehicles NOTE: The recall units are NOT showing in VOIM properly right now HQ is aware VINs show properly on Service, VIN Inquiry, Configurator Any communications regarding Recalls that are sent to multiple Dealer recipients are required to be uploaded to the NHTSA portal. This includes Vin Lists of Unsold and completion % updates. Thank you, FCA REDCACTED CONTENT