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.

• 11020600Jul 4, 2025Electrical system. Decreased Remote Start And RKE Range. Tire Pressure Sensors Values Are Not Displayed
• 11020608Jul 3, 2025Engine. When replacing a camshaft and parts kit (P/N 68661146xx and/or 68661147xx), it is NOT necessary to order the roller-finger followers (rocker arms) separately, as these are included in the camshaft parts kit.
• 11020120Jun 27, 2025Body and structure. Front Bumper Paint Is Dull Customers may comment on the following: ● Front bumper paint is dull Fig. 1 This bulletin involves inspecting and possibly replacing the front bumper.
• 11020095Jun 27, 2025Electrical system. Bumper Mounted 7 Pin Trailer Tow Connector
• 11020108Jun 24, 2025Fuel system. Frequent Repairs Of Fuel System Components Such As Fuel Filters Numerous Stellantis vehicles having fuel line components replaced such as diesel fuel filters. Occasionally, components are replaced before their standard life expectancy or when not contaminated with debris.
• 11019773Jun 18, 2025Engine. ADJUSTER Valve Lash Customer's complaint may include a ticking noise coming from the engine. Technician's observations can refer to spongy or stuck hydraulic lash adjusters. Exhaust lash adjusters found with a "spongy" condition (compressible plunger) leading to the assumption of being defective/malfunctioning. EXHAUST lash adjusters are designed to be COMPRESSIBLE by hand.
• 11019776Jun 12, 2025Electrical system. LAMP - DOME
• 11019600Jun 11, 2025Other or unknown. Warranty Newsletter – Volume 11, Issue 6
• 11019598Jun 11, 2025Other or unknown. FCA Caribbean Warranty Newsletter – Volume 11, Issue 6
• 11019433Jun 6, 2025Fuel system. "Frequent Repairs Of Fuel System Components Such As Fuel Filters Numerous Stellantis vehicles having fuel line components replaced such as fuel filter. Occasionally, components are replaced before their standard life expectancy or when not contaminated with debris "
• 11018863May 29, 2025Fuel system. "Frequent Repairs Of Fuel Line Components Such As Fuel Filters Numerous Stellantis vehicles having fuel line components replaced such as fuel filter. Occasionally, components are replaced before their standard life expectancy or when not contaminated with debri "
• 11018809May 28, 2025Other or unknown. CORE - HEATER
• 11018662May 28, 2025Electrical system. LAMP Courtesy/Ambient Courtesy / Ambient Lamp: Light guide not fully seated into the retainer during IP sub-assembly due to inconsistent operator installation effort, leading to latent BSR issue that manifests under customer usage conditions. Solution: remove and reinstall light guide to be fully seated in the bracket retainer.
• 11018676May 21, 2025Suspension. "Shock And Strut Diagnosis And Replacement Guidelines Leaking, noisy, or weak shocks or struts. "
• 11018482May 18, 2025Engine. "Misfire Diagnostic Trouble Codes (DTCs), Rough Idle, Valvetrain Noise Customers may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P0301 - Cylinder 1 Misfire. ● P0302 - Cylinder 2 Misfire. ● P0303 - Cylinder 3 Misfire. ● P0304 - Cylinder 4 Misfire. ● P0305 - Cylinder 5 Misfire. ● P0306 - Cylinder 6 Misfire…
• 11018447May 16, 2025Electrical system. "Washer Light On And Will Not Turn Off After Adding Washer Solvent."
• 11018500May 15, 2025Fuel system. Tube - fuel injector supply & gasket - none
• 11018463May 14, 2025Transmission and drivetrain. "Front Drive Unit Vibrates Customers may experience the following: ● Vibration in the front of the vehicle from the front drive unit This bulletin involves replacing the right front output shaft."
• 11018410May 14, 2025Other or unknown. Bolt - hex flange head
• 11018408May 14, 2025Fuel system. Tube - fuel injector supply & gasket - none
• 11018453May 12, 2025Transmission and drivetrain. "Transmission Fluid Please note fluid color/condition/odor is NOT an indicator of transmission health and should not be used as the reason for unit replacement. Visible ""glitter"" or debris in the pan does not justify complete unit replacements."
• 11018452May 12, 2025Transmission and drivetrain. Transmission "Transmission For transmission concerns related to DTCs P0733-00, P1DA8-00, and/or P1D92-00, a repair is available, and transmission replacement is NOT required. Please reference TSB 21-009-25 Rev. A, for details on D-clutch replacement. Please also note, visible ""glitter"" or debris in the pan and fluid color/condition/odor is NOT an indicator of transmission health and should not be used as the…
• 11018451May 12, 2025Engine. 3.6L PSU Long Block Misfire DTC codes and/or rough idle and/or valvetrain noise. Refer to SOL # S2509000004. It is also important to confirm that the vehicle being repaired has the latest calibration/software update for oil pump operation mode (high pressure mode) during engine start up. RU, VF, WL & WD vehicles already include the latest oil pump mode in all 25MY and beyond. 24MY service releases are also available.
• 11017451May 1, 2025Electrical system. LAMP - DOME
• 11017406Apr 30, 2025Body and structure. Drivers Side Exterior Mirror Takes Longer To Defrost Or Clear Than The Passenger Side Exterior Mirror.
• 11017402Apr 30, 2025Body and structure. Door Trim Panel Fitment. Warpage, Buzz Squeak Rattle (BSR) Noises. Poor Audio Sound Quality From Door Speaker.
• 11016879Apr 5, 2025Transmission and drivetrain. "850RE D Clutch Repair **Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must have at least 11,265 km (7,000 mi.) and 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. Customers may also…
• 11016884Apr 4, 2025Transmission and drivetrain. "D Clutch Repair Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must have at least 11,265 km (7,000 mi.) and 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. Customers may also comment on…
• 11016854Apr 4, 2025Transmission 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 reprogramming the ISCM and the Powertrain Control Module (PCM) with the latest available software. *This bulletin involves greasing the rear driveshaft and installing a boot kit"
• 11016617Apr 4, 2025Body and structure, Electrical system. Rear Defogger Solder Terminals Detached.
• 11016440Apr 3, 2025Electrical system. Remote Keyless Entry (RKE) Functions Do Not Work, Intermittent Vehicle Response When Using the RKE, Key Not Programmed, Adding Remote Start
• 11016439Apr 2, 2025Engine. Misfire DTCs, Rough Idle, Valvetrain Noise
• 11016107Apr 1, 2025Engine. Engine Rattle Noise
• 11016061Mar 28, 2025Transmission and drivetrain. "Transmission For transmission concerns related to DTCs P0733-00, P1DA8-00, and/or P1D92-00, a repair is available, and transmission replacement is NOT required. Please reference TSB 21-009-25 Rev. A, for details on D-clutch replacement. Please also note, fluid color/condition/odor is NOT an indicator of transmission health and should not be used as the reason for unit replacement. Complete unit replacements…
• 11015811Mar 17, 2025Transmission and drivetrain. "D Clutch Repair Kit For transmission concerns related to DTCs P0733-00, P1DA8-00, and/or P1D92-00, a repair is available, and transmission replacement is NOT required. Please reference TSB 21-009-25 Rev. A, for details on D-clutch replacement. Please also note, fluid color/condition/odor is NOT an indicator of transmission health and should not be used as the reason for unit replacement. Complete unit replacements…
• 11015810Mar 17, 2025Other or unknown. "CANISTER Vapor -If an issue is detected with the Evaporative System Integrity Module (ESIM) Detector and not the Vapor Canister, only replace the ESIM Detector. -Before replacing the Vapor Canister due to Hard to Fill condition, replicate the condition at the Gas Station.
• 11015297Mar 4, 2025Engine. Engine Noise
• 11014973Feb 26, 2025Engine. CEL (Check Engine Lamp) C006A-49 Multi-Axis Acceleration Sensor Internal Electronic Failure And C10CC-00 ESC Sensors.
• 11015065Feb 25, 2025Engine. 3.6L PSU Long Block Misfire DTC codes and/or rough idle and/or valvetrain noise. These conditions may be related to worn intake camshaft high lift lobe(s), and intake rocker arm(s) high lift slider. High mileage failure (10,000-60,000 miles). 1. Remove the valve cover(s) per the released service procedures. The use of a stethoscope or DTC specific cylinder misfire codes can help to locate the condition to the left…
• 11014697Feb 25, 2025Suspension. "Front Lower Control Arm Stabilizer Link Noise Customers may experience the following: ● Rattle or clunk noise coming from the front end of the vehicle when driving over bumps, performing turns or during normal operation. This bulletin involves road testing and possibly tightening the stabilizer link attachment to lower control arm nut. "
• 11014529Feb 20, 2025Electrical system. Touchscreen For all infotainment system repairs (touchscreens, radios, etc.), refurbished parts may be available. Follow the Infotainment Ordering guide available under the "Parts" section of Dealer Connect: DealerCONNECT> Parts> News& Information> Audio & Electronic Products Exchange Process
• 11014895Feb 19, 2025Engine. Radiator - engine cooling
• 11014894Feb 19, 2025Engine. Radiator - auxiliary
• 11014408Feb 18, 2025Engine. Engine Rattle Noise
• 11014887Feb 17, 2025Back-over prevention (rear camera), Lane departure. Camera - rear view
• 11014886Feb 17, 2025Body and structure. Panel - b pillar lower trim
• 11014869Feb 17, 2025Lane departure. Camera - rear view
• 11014269Feb 15, 2025Lane departure. Rear ParkView Backup Camera Guidelines Not Appearing On Radio
• 11014385Feb 14, 2025Body 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. "
• 11014266Feb 14, 2025Body and structure, Electrical system. Defogger Is Not Working. Terminal Detached From The Glass.

← All problems reported for the 2021 Ram 1500