2026 Ram 1500 Technical Service Bulletins

349 technical service bulletins (TSBs) are on record for the 2026 Ram 1500. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 11033879Jun 6, 2026Body and structure. Whistling Noise Heard From Left Side Mirror While Driving Customers may comment on the following: ● Wind noise or whistle noise heard from the driver door mirror area while driving. This bulletin involves replacing the left-hand door mirror access cover.
• 11033875Jun 6, 2026Transmission and drivetrain. Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● **P2AF6-00 - Starter Relay 3 Stuck Off (with PCR). ● P00FD - Battery B State Of Charge Performance.** ● P2C90-00 - Crankcase Ventilation System - Hose "A" Disconnected (In Active or Stored status).
• 11033874Jun 6, 2026Transmission and drivetrain. Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● **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) ●…
• 11033901Jun 5, 2026Body and structure, Electrical system. Power Tailgate Will Open, But Not Power Close, Validate Tailgate is Not in Manual Mode
• 11033897Jun 5, 2026Body and structure. Outside Power Fold Rearview Mirror Noise Or Loose At Pivot. Mirror Contacts Door Window Glass In The Folded Position.
• 11033872Jun 5, 2026Suspension, Electrical system. Service Air Suspension Message Customers may experience the following: ● Customer may experience a "Service Air Suspension" warning message after altering ride height using the digital buttons on the Radio Screen.
• 11033884Jun 3, 2026Body and structure. HANDLE - DOOR PULL and PANEL - FRONT DOOR TRIM
• 11033883Jun 3, 2026Body and structure. HANDLE - DOOR PULL and PANEL - FRONT DOOR TRIM
• 11033858Jun 2, 2026Lane departure. Flash: Central ADAS Decision Module (CADM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) 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.
• 11033341May 30, 2026Transmission and drivetrain. Flash: Transmission Control Module (TCM) Updates Customers may experience one or more of the following: ● 3-2 shift coastdown bumps when coming to a stop. ● 3-2 shift coastdown tip-in bumps when coming to a stop and applying the accelerator pedal before coming to a complete stop. ● Poor upshift quality while driving normally This bulletin involves reprogramming the TCM with the latest available software.
• 11033337May 30, 2026Body and structure. Flash: Door Control Module (DCM) Updates Technician may find the following Diagnostic Trouble Code (DTC): ● B2577-00 - Window Not Calibrated / Lost Calibration.** Customers may experience one or more of the following: ● Driver and passenger window 'auto up' function is inoperative. This bulletin involves inspecting and possibly reprogramming the DDM and PDM with the latest available software
• 11033334May 29, 2026Electrical system. Park Assist Sensor 3 and 4 Harness Swap This bulletin provides information regarding the wire harness connectors for Park Assist Sensors #3 and #4. The harnesses for these sensors are visually identical and may have been interchanged during vehicleassembly. If diagnosis indicates a concern related to Park Assist Sensors #3 or #4, or associated wiring, visually inspect the harness connections to verify correct…
• 11033308May 29, 2026Body and structure, Electrical system. Outside Power Fold Rearview Mirror Noise Or Loose At Pivot. Mirror Contacts Door Window Glass In The Folded Position.
• 11033312May 27, 2026Electrical system. A/C Inoperative, A/C Relay Not Engaging.
• 11033294May 26, 2026Air bags. AIR BAG - DRIVER
• 11033293May 26, 2026Air bags. AIR BAG - DRIVER
• 11032979May 21, 2026Body and structure. Whistling Noise Heard From Left Side Mirror While Driving Customers may comment on the following: ● Wind noise or whistle noise heard from the driver door mirror area while driving. This bulletin involves replacing the left-hand door mirror access cover.
• 11032987May 20, 2026Body and structure. Grille - speaker
• 11032973May 20, 2026Engine. Flash: Powertrain Control Module (PCM) Updates Customers may experience the following: ● A noticeable decrease in engine RPM occurs during immediate gear engagement following a cold engine start. This bulletin involves reprogramming the PCM with the latest available software.
• 11032972May 20, 2026Electrical system. Flash: Heating Ventilation And Cooling (HVAC) Module Updates Customers may experience one or more of the following: ● The HVAC randomly blows cold air while in the heat position. NOTE: Hot air will eventually return but the HVAC still intermittently blows cold air. ● When the heated seat feature is turned on with cloth seats, the heat cycles off after a period of time with out the occupant commanding it to turn…
• 11032858May 14, 2026Electrical system. TBM2.0H Setting U0080-00. Do not replace TBM ECU or SGW. If replacement is determined, 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. Under certain conditions, SGW Module may take longer to establish Ethernet communication after boot up. If it takes longer than 30 seconds…
• 11032865May 13, 2026Electrical system. SENSOR – KNOCK
• 11032864May 13, 2026Electrical system. SENSOR – KNOCK
• 11032863May 13, 2026Body and structure, Electrical system. SENSOR – KNOCK
• 11032862May 13, 2026Electrical system, Body and structure. SENSOR – KNOCK
• 11032843May 13, 2026Electrical system. Right Front Turn Signal Inoperable Customers may comment on one or more of the following: ● Right front turn signal inoperable. ● "Right Front Turn Signal Light Out" message in the Instrument Panel Cluster (IPC) Fig. 1 This bulletin involves inspecting and possibly replacing the right front turn signal bulb.
• 11032842May 13, 2026Electrical system. Radio Message "Power Surge On USB Detected" Customers may comment on the following: ● The radio displays the message: “Power surge on USB hub detected” Fig. 1. NOTE: After the message appears, no USB devices function in the hub (no charging, no data). NOTE: Hub operation does not return until the vehicle undergoes a full key cycle.
• 11032860May 11, 2026Body and structure, Electrical system. MODULE - DOOR
• 11032859May 11, 2026Engine. Module - ignition
• 11032809May 8, 2026Electrical system. Front Passenger Door Window Switch, Left or Right Rear Window Switch Buttons Stuck, Click or Are Inoperative. Window Switches Are Sticking, Making a Clicking Noise or Not Operating the Window Glass.
• 11032632May 8, 2026Electrical system. Front Passenger Door Window Switch, Left or Right Rear Window Switch Buttons Stuck, Click or Are Inoperative. Window Switches Are Sticking, Making a Clicking Noise or Not Operating the Window Glass.
• 11032824May 7, 2026Electrical system. Radio Message "Power Surge On USB Detected" Customers may comment on the following: ● The radio displays the message: “Power surge on USB hub detected” Fig. 1. NOTE: After the message appears, no USB devices function in the hub (no charging, no data). NOTE: Hub operation does not return until the vehicle undergoes a full key cycle
• 11032647May 7, 2026Electrical system. Radio Message "Power Surge On USB Detected" Customers may comment on the following: ● The radio displays the message: “Power surge on USB hub detected” Fig. 1. NOTE: After the message appears, no USB devices function in the hub (no charging, no data). NOTE: Hub operation does not return until the vehicle undergoes a full key cycle
• 11032822May 6, 2026Electrical system. Instrument Panel Cluster (IPC) Flicker Turn By Turn The customer may experience flickering on their Instrument Panel Cluster (IPC) when the turn-by-turn feature is enabled. This issue occurs when using Google Maps for Navigation via CarPlay
• 11032820May 6, 2026Electrical system, Transmission and drivetrain. Flash: Power Tailgate Module (PTGM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● B25E3-11 - Tailgate Absolute Position Sensor-Circuit Short To Ground. ● B25E3-12 - Tailgate Absolute Position Sensor-Circuit Short To Battery. ● B25E4-92 - Tailgate Absolute Sensor Supply-Performance Or…
• 11032817May 6, 2026Steering, Electrical system. Flash: Electric Power Steering (EPS) Module Updates Customers may experience the following: ● Battery drain with ignition off
• 11032645May 6, 2026Electrical system. Instrument Panel Cluster (IPC) Flicker Turn By Turn The customer may experience flickering on their Instrument Panel Cluster (IPC) when the turn-by-turn feature is enabled. This issue occurs when using Google Maps for Navigation via CarPlay
• 11032643May 6, 2026Electrical system, Transmission and drivetrain. Flash: Power Tailgate Module (PTGM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● B25E3-11 - Tailgate Absolute Position Sensor-Circuit Short To Ground. ● B25E3-12 - Tailgate Absolute Position Sensor-Circuit Short To Battery. ● B25E4-92 - Tailgate Absolute Sensor Supply-Performance Or…
• 11032640May 6, 2026Steering, Electrical system. Flash: Electric Power Steering (EPS) Module Updates Customers may experience the following: ● Battery drain with ignition off
• 11032804May 5, 2026Electrical system. Radio Volume Jumping Up To Max Volume After Radio Wake Up
• 11032627May 5, 2026Electrical system. Radio Volume Jumping Up To Max Volume After Radio Wake Up
• 11032345May 1, 2026Electrical system. Active Damping Control Module (ADCM) Stored Diagnostic Trouble Codes (DTCs).
• 11032344Apr 30, 2026Body and structure. Squeak Or Squawk Noise Coming From Either Side Door Of The Vehicle, It Could Be Just One Door Or More. The Noise Can Be Present In Either The Upper Or The Lower Hinge.
• 11032319Apr 30, 2026Electrical system, Engine. Flash: Ignition System Control Module (ISCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P2C30-00 - Ignition Coil Primary Circuit Fuse A. ● P2C31-00 - Ignition Coil Primary Circuit Fuse B. ● P0300-00 - Multiple Cylinder Misfire. ● P0301-00 - Cylinder 1 Misfire Detected. ● P0302-00…
• 11032341Apr 29, 2026Electrical system. B235C-64-TRAILER CONNECTION - SIGNAL PLAUSIBILITY FAILURE Diagnostic Trouble Code (DTC) Set.
• 11032338Apr 29, 2026Body and structure. Thermostat assembly PN 68361650AH already includes gasket PN 68361649AB, so do not order an additional gasket or list one separately in a claim. Please refer to the thermostat's MEDIA image.
• 11032313Apr 28, 2026Electrical system, Body and structure. Door Control Module (DCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code (DTC): ● B2577-00 - Window Not Calibrated / Lost Calibration. Customers may experience one or more of the following: ● Power windows are inoperative and will not respond to switch inputs.. ● Driver and passenger window auto up/down…
• 11032337Apr 27, 2026Electrical system. DTC C008F Calibration Not Learned remains active until the EPB Assembly Check is successfully completed at the vehicle assembly plant. This function is performed using the EPB Assembly Check Routine. Dealers must run the EPB Assembly Check Routine and confirm successful completion before replacing the EPB module, as module replacement should not be performed to address this condition. Note: Replacement modules…
• 11031694Apr 24, 2026Engine. P000B Bank 1 Cam 2 Position Slow Response - Malfunction Indicator Light (MIL) - Check Engine Light (CEL)
• 11031693Apr 24, 2026Electrical system. No Wireless Charging Or Slow Wireless Charging

← All problems reported for the 2026 Ram 1500