2021 Ram 1500 Technical Service Bulletins

1,130 technical service bulletins (TSBs) are on record for the 2021 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.

• 11006254Aug 7, 2024Transmission and drivetrain. "D Clutch Repair 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): ● P0733-00 - Gear 3 Shift Incorrect Ratio. ● P1DA8-00 - Incorrect Gear Ratio Clutch A B or D Defective. ● P1D92-00 - Incorrect Gear Ratio - Clutch 4 Defective. This bulletin involves replacing the D clutch."
• 11006241Aug 7, 2024Body and structure, Electrical system. "Headlamp Condensation Clearing Procedure Some customers may report that on occasion, vehicle exterior head lamp assemblies are fogged with a light layer of condensation on the inside of the lenses."
• 11005356Jul 24, 2024Transmission and drivetrain. Carrier – planetary & shaft kit - output
• 11005320Jul 24, 2024Body and structure. "Aluminum Body Panel Corrosion Repair Aluminum corrosion or bubbling along the leading edge of hood, hinges or other exterior surface areas of the hinges, doors, fenders, swing gates or liftgates. NOTE: Verify current warranty policy to determine if digital imaging pre-authorization is required or pre-approval is required from the Regional Office; depending on market.
• 11005203Jul 23, 2024Engine. Engine Oil Leak
• 11005361Jul 17, 2024Brakes. Module - anti-lock brake system
• 11004939Jul 17, 2024Transmission and drivetrain. D Clutch Repair Kit TSB 21-039-24 REV A - D-Clutch repair kit missing Carrier Output Shaft Seals It has been identified the Carrier Output Shaft is missing 2 seals for some of the kits delivered to dealers. These seals are not available individually. MOPAR is working to get the parts. Do not rebuild the transmission without these seals otherwise the vehicle will not have reverse.
• 11004944Jul 16, 2024Transmission and drivetrain. No Reverse And/Or Forward Gear After D-Clutch Repair.
• 11004940Jul 15, 2024Transmission and drivetrain. D Clutch Repair Kit TSB 21-039-24 REV A - D-Clutch repair kit missing Carrier Output Shaft Seals It has been identified the Carrier Output Shaft is missing 2 seals for some of the kits delivered to dealers. These seals are not available individually. MOPAR is working to get the parts. Do not rebuild the transmission without these seals otherwise the vehicle will not have reverse.
• 11004891Jul 13, 2024Engine. "Cold Engine Ticking Noise The customer may describe a ticking noise from the exhaust manifold location(s) when cold."
• 11004151Jul 10, 2024Electrical system. Remote Keyless Entry (RKE) Functions Do Not Work, Intermittent Vehicle Response When Using the RKE, Key Not Programmed, Adding Remote Start
• 11002804Jun 29, 2024Transmission and drivetrain. "Rear Axle Vibration Shudder Or Chatter Customers may experience the following: ● A chatter, shudder, or vibration from the rear axle during turns. NOTE: This may happen more as the vehicle ages, especially if the vehicle is used extensively for towing or hauling heavy loads. The cause of the concern may be due to degradation of the rear axle fluid.
• 11002744Jun 29, 2024Suspension. Clunking Noise From Front Stabilizer Bar / Sway Bar Link.
• 11002753Jun 26, 2024Visibility (wipers, defrost, mirrors). Motor - windshield wiper & wiperunit - windshield wiper
• 11002316Jun 26, 2024Visibility (wipers, defrost, mirrors). Motor - windshield wiper & wiperunit - windshield wiper
• 11002828Jun 25, 2024Electrical system, Engine. "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 "
• 11001771Jun 15, 2024Transmission and drivetrain. "D Clutch Repair 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) have been set: ● P0733-00 - Gear 3 Shift Incorrect Ratio. ● P1DA8-00 - Incorrect Gear Ratio Clutch A B or D Defective. ● P1D92-00 - Incorrect Gear Ratio - Clutch 4 Defective. This bulletin involves replacing the D…
• 11001762Jun 13, 2024Transmission and drivetrain. "Rear Propshaft Clunk Customers may experience the following: ● A clunk noise from the driveshaft while coming to a stop or when just starting to tip into throttle at take off. This bulletin involves inspecting and possibly replacing the rear driveshaft."
• 11001459Jun 7, 2024Engine. Suspected Engine Coolant Leak
• 11001564Jun 5, 2024Body and structure. "Back Glass Water Leak Warranty Extension XL1 The customer may experience one or more of the following: ● A cracked backlite frame Fig. 1 resulting in an interior water leak (crack is visible to the customer). ● Water leak from at top of the backlite. This bulletin involves applying urethane to the sliding backlite."
• 11001043May 31, 2024Engine. Customer complains of a brief metallic ticking/rattling/ringing noise after a cold start-up. It can be heard while standing outside the vehicle, resonating from the front wheel well areas. If the noise is present, it is normally heard at idle and the frequency of the noise will follow engine speed.
• 11001037May 31, 2024Electrical system. Door Ajar Light On With Door(s) Closed.
• 11000611May 30, 2024Electrical system. Module - telematics
• 11000608May 30, 2024Engine. Valve - EGR
• 11001021May 29, 2024Body and structure, Electrical system. Horn Sound Is Weak, Off Tone, Or Inoperative
• 11001310May 25, 2024Transmission and drivetrain. "D Clutch Repair 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) have been set: ● P0733-00 - Gear 3 Shift Incorrect Ratio. ● P1DA8-00 - Incorrect Gear Ratio Clutch A B or D Defective. ● P1D92-00 - Incorrect Gear Ratio - Clutch 4 Defective. This bulletin involves replacing the D…
• 11000824May 21, 2024Engine. "GENERATOR Engine Prior to alternator/generator removal: 1. Inspect & check all electrical connections to the alternator a. 2-way connector containing field control circuit & alternator sense voltage circuit. b. Unplug & plug-in the 2-way connector for field & sense circuit. Verify the connection is tight & check for any bent pins in alternator connector or damage to female terminals in connector. c.
• 11001206May 19, 2024Electrical system. After A Recent Service Repair The Vehicle is Setting Diagnostic Trouble Codes (DTCs) B0090-49 Left Frontal Acceleration Sensor-Internal Electronic Failure, B0095- 49 Right Frontal Acceleration Sensor-Internal Electronic Failure
• 11000992May 16, 2024Electrical system. Checking Radio Software Level On A VP2 Radio
• 11000795May 7, 2024Transmission and drivetrain. "VALVE BODY & CONTROL UNIT Transmission Ensure clutch pressure check has been completed and documented prior to valve body replacement."
• 11000169May 7, 2024Other or unknown. BRUSH - VACUUM
• 11000866May 3, 2024Electrical system. Remote Keyless Entry (RKE) Button Functions Does Not Work, Intermittent Vehicle Response When Using the RKE, Key Not Programmed
• 11000195May 2, 2024Engine. "PUMP WATER For 2016-2024MY 3.6L Pentastar Upgrade with suspected coolant leak. PRIOR TO PERFORMING ANY WATER PUMP REPLACEMENT, PROCEED WITH INSPECTION INSTRUCTIONS FROM THE LATEST VERSION OF STAR ONLINE PUBLICATION S2307000002. Please submit pictures of the leak area thru the DIDI process outlined in the STAR Online document. NOTE: Some coolant residue may be found at the water pump weep hole plug area which may…
• 10251879Jan 30, 2024Exterior lighting, Back-over prevention (rear camera), 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 that one or more of the following Diagnostic Trouble Codes (DTC)s have been set: ? P0AC0 - Hybrid Battery Pack Current Sensor 1 Circuit Performance. ? P1A29 - Cell Supervisory Circuit A Failure. ? P0DE7 - Hybrid/EV Battery Pack Cell Voltage…
• 10251876Jan 30, 2024Electrical system. Radio Over The Air Update from LR34.51 to LR35.41 Software Version Customer may experience one or more of the following: ? Mobile Wi-Fi inoperative upon start up. ? Hotspot gives "No Internet" connection message on phone when trying to connect to a device. This bulletin provides information regarding the latest Firmware Over The Air (FOTA) update and provides the service technician an overview of the steps a…
• 10251875Jan 30, 2024Electrical system. Radio Over The Air Update from QR39.82F to QR40.12 Software Version Customer may experience one or more of the following: ? Mobile Wi-Fi inoperative upon start up. ? Hotspot gives "No Internet" connection message on phone when trying to connect to a device. This bulletin provides information regarding the latest Firmware Over The Air (FOTA) update and provides the service technician an overview of the steps a…
• 10251795Jan 26, 2024Equipment. Radio Black Screen, Freezing, Reset, Cutting Out Or Inoperative Intermittently
• 10251870Jan 25, 2024Electrical system. Radio Over The Air Update from QR39.5 to QR40.11 Software Version Customer may experience one or more of the following: ? Mobile Wi-Fi inoperative upon start up. ? Hotspot gives "No Internet" connection message on phone when trying to connect to a device. This bulletin provides information regarding the latest Firmware Over The Air (FOTA) update and provides the service technician an overview of the steps a…
• 10251867Jan 24, 2024Electrical system. Radio Over The Air Updating to QR40.12 Software Version Customers may experience one or more of the following: ? Mobile Wi-Fi inoperative upon start up. ? Hotspot gives "No Internet" connection message on phone, when trying to connect to a device. This bulletin provides information regarding the latest Firmware Over The Air (FOTA) update and provides the service technician an overview of the steps a customer will…
• 10251862Jan 20, 2024Back-over prevention (rear camera). Cold Engine Ticking Noise The customer may describe a ticking noise from the exhaust manifold location(s) when cold. This bulletin involves replacing the exhaust manifolds.
• 10251767Jan 18, 2024Equipment. Thermostat Assy For 2022-2024MY 3.6L Pentastar Upgrade with P0128 failure code. PRIOR TO PERFORMING ANY THERMOSTAT REPLACEMENT, PROCEED WITH INSPECTION INSTRUCTIONS FROM THE LATEST VERSION OF STAR ONLINE PUBLICATION S2309000014
• 10251854Jan 17, 2024Exterior lighting. Headlamp Condensation Clearing Procedure Some customers may report that on occasion, vehicle exterior head lamp assemblies are fogged with a light layer of condensation on the inside of the lenses.
• 10251848Jan 17, 2024Equipment. Navigation (NAV) Reboot When MOTA Fails The customer may describe one of more of the following: ? Radio navigation continues to reboot after a Map Update (MOTA). ? Navigation regularly cuts out and back on again. ? Radio switches to navigation without customer's input. This bulletin involves updating the Navigation maps via USB.
• 10251817Jan 17, 2024Electrical system. Revised Customer Satisfaction Notification Y40 ? Control Module Software Updates
• 10251816Jan 12, 2024Electrical system. Customer Satisfaction Notification Y40 Control Module Software Updates
• 10251783Jan 10, 2024Electrical 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
• 10248853Nov 30, 2023Electrical system. Blindspot Module For concern on Blindspot Module setting U11FB-00 Lost Communication with Left Blind Spot Sensor, U11FA-00 Lost Communication with Right Blind Spot Sensor. Some vehicle(s) where the Blindspot Module was replaced had no issues found with the Blindspot Module after testing. Please verify no wiring or connector issues are present prior to module replacement.
• 10248951Nov 28, 2023Engine cooling. Throttle Blade Icing Service Fix Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that one or more of the following Diagnostic Trouble Codes (DTCs) have been set: ? P2072 - Electronic Throttle Control System - Ice Blockage. ? P2110 - Electronic Throttle Control - Forced Limited RPM. ? P2118 - Electronic Throttle Control Motor Current…
• 10248896Nov 28, 2023Engine cooling, Electrical system. No Start, No Crank
• 10248850Nov 28, 2023Engine cooling. COOLER Engine Oil Please be aware that the oil cooler seal is serviceable as a standalone part and should be considered for replacement as a remedy for fluid leak.

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