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.

• 10193955Apr 7, 2021Equipment. TRANSMITTER, Integrated Key Fob (Cut and Uncut) Due to a global semiconductor shortage, service availability of this part is limited. To maintain production and service requirements, FOBIKs affected by the shortage will be available on an ?as required basis?. This FOBIK should only be ordered in the event the vehicle is inoperable, and there are no other FOBIKs available. It is requested the customer uses their…
• 10221130Apr 6, 2021Body and structure. Buzz Or Rattle Noise From Floorboard Or Front Of Vehicle
• 10193983Apr 6, 2021Back-over prevention (rear camera). Buzz Or Rattle Noise From Floorboard Or Front Of Vehicle
• 10221129Apr 2, 2021Engine cooling. CEL (Check Engine Lamp) On, DTC P023B Charge Air Cooler Coolant Pump Control Circuit Low, U02A9 Lost Communication With Charge Air Cooler Coolant Pump
• 10221125Apr 2, 2021Visibility (wipers, defrost, mirrors). Driver And/Or Passenger Exterior Mirror Glass Intermittently Does Not Return To Original Position From Tilt Down Or Appears Stuck In Down Position
• 10193982Apr 2, 2021Engine cooling, Fuel system. CEL (Check Engine Lamp) On, DTC P023B Charge Air Cooler Coolant Pump Control Circuit Low, U02A9 Lost Communication With Charge Air Cooler Coolant Pump
• 10193978Apr 2, 2021Visibility (wipers, defrost, mirrors). Driver And/Or Passenger Exterior Mirror Glass Intermittently Does Not Return To Original Position From Tilt Down Or Appears Stuck In Down Position
• 10221122Apr 1, 2021Body and structure. Water Leak Carpet Wet At Front And Or Rear Seats
• 10193975Apr 1, 2021Body and structure. Water Leak Carpet Wet At Front And Or Rear Seats
• 10220991Mar 31, 2021Transmission and drivetrain. Outer Halfshaft Axle Boots Leaking Grease This bulletin involves inspecting the both outer halfshaft axle boots for tears. The customer or technician may experience a axle grease leaking out of one or both of the outer halfshaft axle boots, this can happen within 804 Km (500 miles).
• 10220922Mar 31, 2021Visibility (wipers, defrost, mirrors). Left Hand Drivers Side Mirror Takes Longer to Defrost Or Clear Than Right Side Passenger
• 10190738Mar 31, 2021Transmission and drivetrain. Outer Halfshaft Axle Boots Leaking Grease This bulletin involves inspecting the both outer halfshaft axle boots for tears. The customer or technician may experience a axle grease leaking out of one or both of the outer halfshaft axle boots, this can happen within 804 Km (500 miles).
• 10190669Mar 31, 2021Visibility (wipers, defrost, mirrors). Left Hand Drivers Side Mirror Takes Longer to Defrost Or Clear Than Right Side Passenger
• 10190667Mar 31, 2021Engine cooling. Customer complaint may include engine oil leak/consumption.
• 10190589Mar 31, 2021Engine cooling. ADAPTER, Engine Oil Filter (Pentastar V6) All vehicles equipped with a 3.2L or 3.6L except for model year 2014 vehicles with leak concern: 1) Ensure the Oil Filter Adapter (OFA) Cap O-ring is seated in the proper groove in the cap and not damaged or cut. 2) If replacing the (OFA) due to a leak detected between (OFA) and block. Ensure the torque on the 5 bolts are torqued to 12nm. If not record the actual values…
• 10220988Mar 30, 2021Transmission and drivetrain. Transmission Oil Cooler Lines Not Fully Connected This bulletin involves inspecting the Transmission Oil Cooler (TOC) lines and reconnectingif necessary. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more ofthe following Diagnostic Trouble Codes (DTCs). P1D90-00 Incorrect Gear Ratio - Clutch 2 Defective. P1D91-00 Incorrect Gear…
• 10220921Mar 30, 2021Visibility (wipers, defrost, mirrors). Outside Power Fold Rearview Mirror Appears Loose Or Shakes
• 10220917Mar 30, 2021Transmission and drivetrain. 4Wheel Drive Lamp On, DTC C141C-13-REAR DIFFERENTIAL CONTROL-CIRCUIT OPEN
• 10220914Mar 30, 2021Brakes. Electronic Parking Brake (EPB) DTC?s Setting For Opposite Side of vehicle. EPB Circuits Swapped
• 10190735Mar 30, 2021Exterior lighting, Transmission and drivetrain. Transmission Oil Cooler Lines Not Fully Connected This bulletin involves inspecting the Transmission Oil Cooler (TOC) lines and reconnectingif necessary. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more ofthe following Diagnostic Trouble Codes (DTCs). P1D90-00 Incorrect Gear Ratio - Clutch 2 Defective. P1D91-00 Incorrect Gear…
• 10190668Mar 30, 2021Visibility (wipers, defrost, mirrors). Outside Power Fold Rearview Mirror Appears Loose Or Shakes
• 10190664Mar 30, 2021Transmission and drivetrain. 4Wheel Drive Lamp On, DTC C141C-13-REAR DIFFERENTIAL CONTROL-CIRCUIT OPEN
• 10190661Mar 30, 2021Brakes. Electronic Parking Brake (EPB) DTC?s Setting For Opposite Side of vehicle. EPB Circuits Swapped
• 10220987Mar 27, 2021Transmission and drivetrain. Transmission Oil Cooler Lines Not Fully Connected This bulletin involves inspecting the Transmission Oil Cooler (TOC) lines and reconnecting if necessary. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more ofthe following Diagnostic Trouble Codes (DTCs). P1D90-00 Incorrect Gear Ratio - Clutch 2 Defective. P1D91-00 Incorrect Gear…
• 10220916Mar 27, 2021Interior lighting, Electrical system. Interior Lighting Inoperative, Dome, Reading, Glove Box, Center Console, Vanity Lamp, Rambox Lighting
• 10190734Mar 27, 2021Transmission and drivetrain, Exterior lighting. Transmission Oil Cooler Lines Not Fully Connected This bulletin involves inspecting the Transmission Oil Cooler (TOC) lines and reconnecting if necessary. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more ofthe following Diagnostic Trouble Codes (DTCs). P1D90-00 Incorrect Gear Ratio - Clutch 2 Defective. P1D91-00 Incorrect Gear…
• 10190663Mar 27, 2021Equipment. Interior Lighting Inoperative, Dome, Reading, Glove Box, Center Console, Vanity Lamp, Rambox Lighting
• 10220982Mar 26, 2021Steering, Suspension, Wheels. Steering Wheel Off-center Due to Incorrect Front Wheel Alignment Specifications This bulletin involves adjusting the front wheel alignment to correct a steering wheel off center condition. This is due to an inaccurate alignment settings from the plant. The customer may describe the steering wheel is off center.
• 10220911Mar 26, 2021Equipment. Radio Replacement Reset Routine, Radio Has Missing Icons Or Are Grayed Out
• 10190729Mar 26, 2021Suspension, Steering, Wheels. Steering Wheel Off-center Due to Incorrect Front Wheel Alignment Specifications This bulletin involves adjusting the front wheel alignment to correct a steering wheel off center condition. This is due to an inaccurate alignment settings from the plant. The customer may describe the steering wheel is off center.
• 10190658Mar 26, 2021Equipment. Radio Replacement Reset Routine, Radio Has Missing Icons Or Are Grayed Out
• 10220908Mar 25, 2021Electrical system. RKE Has Reduced Range, Remote Start Inoperative, Multiple Keyless Go Push Attempts To Start, Key Not Detected Message, Tire Pressure Warning Lamp On
• 10190655Mar 25, 2021Electrical system. RKE Has Reduced Range, Remote Start Inoperative, Multiple Keyless Go Push Attempts To Start, Key Not Detected Message, Tire Pressure Warning Lamp On
• 10220972Mar 24, 2021Electrical system. Door Control Module Window Inoperative This bulletin involves replacing one or both of the door modules. Customers may experience a Malfunction Indicator Lamp (MIL) illumination.
• 10190719Mar 24, 2021Electrical system, Vehicle speed control, Visibility (wipers, defrost…. Door Control Module Window Inoperative This bulletin involves replacing one or both of the door modules. Customers may experience a Malfunction Indicator Lamp (MIL) illumination.
• 10220969Mar 23, 2021Body and structure. Driver Side Rambox Opens By Itself Unprompted This bulletin involves removing the driver side Rambox and replacing the Rambox door lock actuator wiring harness with a jumper wiring harness. The customer may comment on one or more of the following:Every time the vehicle is unlocked the driver side Rambox opens. Driver side Rambox opens for no reason.This can happen while the vehicle is sitting over night, or if the…
• 10190716Mar 23, 2021Seat belts, Air bags, Vehicle speed control. Driver Side Rambox Opens By Itself Unprompted This bulletin involves removing the driver side Rambox and replacing the Rambox door lock actuator wiring harness with a jumper wiring harness. The customer may comment on one or more of the following:Every time the vehicle is unlocked the driver side Rambox opens. Driver side Rambox opens for no reason.This can happen while the vehicle is sitting over night, or if the…
• 10220904Mar 22, 2021Visibility (wipers, defrost, mirrors). Customer Indicates That Temperature Varies From Side To Side Being Colder On One Side Compared To The Other.
• 10190651Mar 22, 2021Body and structure. Customer Indicates That Temperature Varies From Side To Side Being Colder On One Side Compared To The Other.
• 10220902Mar 20, 2021Back-over prevention (rear camera), Electrical system. Back Up Camera Inoperative Complaints, Radio Display Blue Or Blank When Placed In Reverse
• 10220899Mar 20, 2021Engine cooling, Electrical system. Customer complaint may include a Mil-on condition that may be accompanied by a ?misfire? feel or rough-running engine condition. Upon further investigation, any of the following DTCs may be found in the PCM:
• 10190649Mar 20, 2021Back-over prevention (rear camera). Back Up Camera Inoperative Complaints, Radio Display Blue Or Blank When Placed In Reverse
• 10190646Mar 20, 2021Engine. Customer complaint may include a Mil-on condition that may be accompanied by a ?misfire? feel or rough-running engine condition. Upon further investigation, any of the following DTCs may be found in the PCM:
• 10220897Mar 19, 2021Engine cooling. CEL Check Engine Lamp On, DTC P00F9 Supercharger-Turbocharger Outlet Pressure Sensor Range Performance
• 10220896Mar 19, 2021Visibility (wipers, defrost, mirrors), Body and structure. Wind Noise From Driver Side Windshield Cowl Area
• 10190644Mar 19, 2021Engine cooling. CEL Check Engine Lamp On, DTC P00F9 Supercharger-Turbocharger Outlet Pressure Sensor Range Performance
• 10190643Mar 19, 2021Visibility (wipers, defrost, mirrors). Wind Noise From Driver Side Windshield Cowl Area
• 10220962Mar 18, 2021Electrical system. Flash: Body Control Module (BCM) Updates This bulletin involves updating the BCM with the latest available software. Customer may comment that the hill descent button is inoperative.
• 10190709Mar 18, 2021Brakes, Electrical system, Body and structure. Flash: Body Control Module (BCM) Updates This bulletin involves updating the BCM with the latest available software. Customer may comment that the hill descent button is inoperative.
• 10220888Mar 17, 2021Electrical system. Cluster Displays Service Active Dampening System Message, DTC B2286 Calibration Not Learned ? Lost Calibration

← All problems reported for the 2021 Ram 1500