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.

• 11014369Feb 11, 2025Transmission and drivetrain, Other or unknown. "Clicking Noise While In 4WD Customers may experience the following: ● Ratcheting, click, or clicking noise in 4WD while turning. This bulletin involves replacing the front driveshaft."
• 11014231Feb 10, 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…
• 11014157Feb 7, 2025Transmission and drivetrain. "Clicking Noise While In 4WD ustomers may experience the following: ● Ratcheting, click, or clicking noise in 4WD while turning. his bulletin involves replacing the front driveshaft"
• 11013597Feb 1, 2025Transmission 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. Customers may also comment on one or more of the following: ●…
• 11013232Jan 28, 2025Electrical system. SWITCH Headlamp Before replacing the Headlamp Switch for faulty dimmer operation. Please follow the next steps to corroborate if the Headlamp Switch is malfunctioning: 1.- Please disconnect and reconnect the headlamp Switch. And verify if the issue is corrected. 2.- Review the internal resistance of the switch: a.- For the Right Dimmer (IP) between Pins 6 & 3. The value should be around 5.74 KOhms, when in the…
• 11013171Jan 25, 2025Electrical 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
• 11013631Jan 22, 2025Brakes. Module - anti-lock brake system
• 11013630Jan 22, 2025Brakes. Module - anti-lock brake system
• 11012984Jan 18, 2025Brakes. "Squeak Noise From Brake Pedal When Pressed And Or Released."
• 11012987Jan 17, 2025Suspension. ARM Lower Control WHAT: Clunking noise from Front Stabar link to Front Lower Control Arm (FLCA). WHY: The joint is coming loose due to loss of clamp load when there is embedment on FLCA mating surface to the stabar link ball stud. We are currently updating the stabar link design and new design will be implemented in March 2025. HOW: If this Front stabar link to FLCA joint torque is under the residual torque of…
• 11013016Jan 15, 2025Transmission 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. **Customers may also comment on one or more of the following: ●…
• 11012884Jan 15, 2025Body and structure. Door Latch, Handle And Ajar Additional Service Information.
• 11012777Jan 7, 2025Electrical 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
• 11012182Dec 22, 2024Electrical system, Wheels. Changing Tires to a Larger Size Triggers a Park Assist Module (PAM/PTS) to Set Diagnostic Trouble Code (DTC) B222A Vehicle Line Mismatch
• 11012010Dec 17, 2024Other or unknown. FUEL VAPOR CANISTER FILTER EVAP Fuel Filters are to be checked for restriction / blockage on a regular schedule as indicated in the Owner s Manual. If the Filter is restricted or blocked then replace the part. For customers that drive light duty trucks in extreme dusty and dirty road conditions, please reference information only TSB 25-009-24 for an available MOPAR Dual EVAP Filter kit that is customer paid.
• 11011921Dec 14, 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"
• 11011774Dec 11, 2024Back-over prevention (rear camera). Backup Camera Poor Image Quality Inspection
• 11011701Dec 10, 2024Suspension. ARM Lower Control WHAT: Clunking noise from Front Stabar link to Front Lower Control Arm (FLCA). WHY: The joint is coming loose due to loss of clamp load when there is severe embedment on FLCA mating surface to the stabar link ball stud. We are currently updating the stabar link design and new design will be implemented in March 2025. HOW: If this Front stabar link to FLCA joint torque is under the residual torque…
• 11011751Dec 5, 2024Other or unknown. "Dual EVAP System Extreme Duty Vapor Canister Filter Kit Customers operating fleet or severe/extreme duty gasoline vehicles in continuous dusty driving conditions can plug the single OE filter system and may experience a Malfunction Indicator Lamp (MIL) illumination.
• 11010957Nov 28, 2024Body and structure. Glass - backlite
• 11010956Nov 28, 2024Body and structure. Glass - backlite
• 11010972Nov 22, 2024Suspension. Bushing - stabilizer bar
• 11010511Nov 8, 2024Electrical system, Wheels. Tire Pressure Monitor (TPM) Service Information. TPM Lamp On.
• 11010259Nov 2, 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."
• 11010260Nov 1, 2024Transmission and drivetrain. "Flash: Transmission Control Module (TCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code (DTC): ● **P0731 - Gear 1 Shift Incorrect Ratio.** The customer may describe the following: ● **Severe bump or clunk during high engine rpm and low vehicle speed 1-2 upshift.** ● Unable to set desired gear manually from the…
• 11010205Oct 30, 2024Transmission and drivetrain. Plate - Planetary
• 11009027Oct 15, 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. "
• 11008913Oct 10, 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."
• 11008436Oct 4, 2024Electrical system. Dome Lamp LED And Incandescent Bulb Servicing.
• 11009561Oct 3, 2024Electrical system. Switch - headlamp
• 11008707Oct 2, 2024Electrical system. Switch - headlamp
• 11008744Oct 1, 2024Engine. "Loss of Power in Reverse Customers may comment on one or more of the following: ● During engine cold start, the vehicle exhibits low torque when shifted into reverse gear. ● Loss of power in reverse gear. This bulletin provides information regarding the loss of engine torque when performing a cold start and immediately shifting into gear"
• 11008145Sep 28, 2024Electrical system. Door Ajar Light On With Door(s) Closed.
• 11008071Sep 26, 2024Wheels, Electrical system. Tire Pressure Lamp Flashing, No Tire Pressures Displayed, “Tire Pressure Module (TPM) System Unavailable” Message Displayed on Cluster
• 11008200Sep 25, 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."
• 11008149Sep 25, 2024Transmission and drivetrain, Engine, Other or unknown. Warranty Bulletin D-24-16 (XR1) Urea Delivery Module – Select 2019 - 2022 RAM Trucks (DJ/D2/DD/DP)
• 11007994Sep 18, 2024Transmission and drivetrain. FCA Caribbean Warranty Bulletin ID-24-16 Rev. Announces the addition of the Rear Axle Assembly replacement for 2019 - 2024 RAM 3500 Cab Chassis (DD), RAM 4500/ 5500 Cab Chassis (DP), RAM 3500 Pickup (D2), RAM 2500 Pickup (DJ), RAM 1500 Pickup (DS) and RAM 1500 Pickup (DT) vehicles to the Powertrain Pre-Authorization program to ensure proper repair of Rear Axle Assembly failures and to assist in quality…
• 11007993Sep 18, 2024Transmission and drivetrain. WARRANTY BULLETIN D-24-15 announces the addition of the Rear Axle Assembly replacement for 2019 - 2024 RAM 3500 Cab Chassis (DD), RAM 4500/ 5500 Cab Chassis (DP), RAM 3500 Pickup (D2), RAM 2500 Pickup (DJ), RAM 1500 Pickup (DS) and RAM 1500 Pickup (DT) vehicles to the Powertrain Pre-Authorization program for all dealers (Base, Plus & Premium) to ensure proper repair of Rear Axle Assembly failures and to assist in…
• 11007954Sep 17, 2024Electrical system. Battery Drain Suspected or "Identified" From USB or Media Hub
• 11008257Sep 11, 2024Electrical system. Cluster - instrument panel
• 11008255Sep 11, 2024Body and structure. Glass - backlite
• 11008251Sep 9, 2024Brakes. Module - anti-lock brake system
• 11008249Sep 9, 2024Brakes. Module - anti-lock brake system
• 11007649Sep 6, 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."
• 11007201Sep 6, 2024Transmission and drivetrain. TRANSFER CASE Before replacing a transfer case unit for fault codes C1444-98 and/or C1477-4B, be sure to reference TSB 21-048-24 for potential transfer case shift motor replacement
• 11007172Sep 6, 2024Electrical system. Horn Sound Is Weak, Off Tone, Or Inoperative.
• 11006948Aug 31, 2024Electrical system. Water Intrusion Of The RFH Causes Erratic Operation Of Start/Stop Button And Other RFH Functions Accompanied By Multiple RFH DTCs
• 11006517Aug 17, 2024Body and structure. Water Leak Rear Of Cab Rear Seat Or Headliner
• 11006515Aug 17, 2024Electrical system. Wiper Motor Inoperative. Wiper Doesn’t Work or Stops Randomly On Glass
• 11006223Aug 10, 2024Suspension. Message Displayed on the Cluster, "Service Active Dampening Suspension System"

← All problems reported for the 2021 Ram 1500