2020 Ram 1500 Technical Service Bulletins

1,229 technical service bulletins (TSBs) are on record for the 2020 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.

• 11027837Jan 21, 2026Engine. Water Pump & Chain Case Cover
• 11027836Jan 21, 2026Engine. Water Pump & Chain Case Cover
• 11027733Jan 13, 2026Other or unknown. CORE – HEATER
• 11027732Jan 13, 2026Other or unknown. CORE – HEATER
• 11026651Dec 10, 2025Electrical system. 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
• 11026634Dec 10, 2025Brakes. Diagnostic Trouble Code (DTC) C0050-00-Brake System Hydraulic Leak Set After Recent Repair.
• 11026632Dec 10, 2025Brakes. Antilock Brake (ABS) Light On. Intermittent Or Implausible Wheel Speed Sensor Signal Diagnostic Trouble Codes (DTCs)
• 11026551Dec 1, 2025Suspension. Lower Ball Joint / Lower Control Arm Servicing Updates.
• 11025507Nov 6, 2025Other or unknown. CORE - HEATER
• 11025506Nov 6, 2025Other or unknown. CORE - HEATER
• 11025508Nov 3, 2025Brakes. ESC Light Illuminated. DTC C1252-92 VACUUM PUMP CONTROL CIRCUIT And Or P258B ELECTRONIC VACUUM PUMP PERFORMANCE
• 11025028Oct 21, 2025Engine. Engine Oil Leak
• 11024312Oct 7, 2025Other or unknown. High Voltage Air Conditioning Refrigerant Dye
• 11023631Sep 24, 2025Engine. D-25-17 ALL Model Years 2019 - 2021 VF, DS, LA, LD and LX with a 3.6L Engine for Camshaft and Rocker Arm Replacements
• 11023630Sep 24, 2025Engine. ID-25-14 ALL Model Years 2019 - 2021 VF, DS, LA, LD and LX with a 3.6L Engine for Camshaft and Rocker Arm Replacements
• 11023618Sep 24, 2025Engine. Data collection required for all 2020-2026MY vehicles with 3.6L PSU engines during any of their first 3 engine oil changes. This data collection is applicable to all vehicle with engines with sales codes: ERG, ERC, EH3 and ERF. To assist with monitoring and quality improvement of the 3.6L engine, every time a vehicle comes for any of the first 3 oil changes, please use wiTECH to record the total engine idle time…
• 11023623Sep 22, 2025Electrical system, Body and structure. Power Side Steps Reverse, Stop In Motion, And/Or Do Not Deploy Or Stow
• 11023321Sep 18, 2025Transmission 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.
• 11023334Sep 16, 2025Electrical system, Back-over prevention (rear camera). Customer Satisfaction Notification 96C – Park Assis Module - Dealer Notification
• 11023168Sep 12, 2025Suspension. Shock And Strut Diagnosis And Replacement Guidelines Leaking, noisy, or weak shocks or struts.
• 11023074Sep 2, 2025Suspension. Shock absorber – suspension & shocks - rear
• 11022011Aug 16, 2025Body 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.
• 11022012Aug 14, 2025Body 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.
• 11022003Aug 13, 2025Body 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
• 11021845Aug 7, 2025Engine. Verify Reman part number availability. Order the "R" part number for all orders: Warranty, Mopar, customer pay and service contract. Order "68" part number for New unsold units only.
• 11021826Aug 6, 2025Electrical system. Flash: Park Assist Module (PAM) 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): ● B128E-25 - PTS Sensor 1-Signal Shape/Waveform Failure. ● B128F-25 - PTS Sensor 2-Signal Shape/Waveform Failure. ● B1290-25 - PTS Sensor 3-Signal Shape/Waveform Failure. ● B1291-25 - PTS Sensor 4-Signal…
• 11021581Aug 2, 2025Electrical system. Door speaker Inoperative or No Sound
• 11021585Jul 28, 2025Electrical system. LAMP - DOME
• 11021043Jul 26, 2025Engine. Engine Rattle Noise
• 11021039Jul 23, 2025Electrical system. Tire Pressure Monitor (TPM) Service Information. TPM Lamp On.
• 11021011Jul 22, 2025Electrical system. 115V Power Outlet LED Always On The amber LED remains continuously illuminated, regardless of whether the switch button is activated. This bulletin involves replacing the inverter switch.
• 11020855Jul 14, 2025Transmission and drivetrain. To inform dealers about the 850RE valve body PN: R8348504A connector: the original 16-pin connector included six pins that were not used in this application. To simplify the design, the connector has been optimized and updated to a 10-pin configuration.
• 11020847Jul 14, 2025Steering, Electrical system. Steering Repair Information Involving Toe Angle. Tie Rod And Or Electric Power Steering (EPS) Units.
• 11020754Jul 11, 2025Fuel system. Hard To Fill With Fuel Customers may experience one or more of the following: ● Hard, difficult, or unable to fill the fuel tank. ● Fuel nozzle shuts off prematurely before the fuel tank is full. This bulletin involves replacing the fuel tank.
• 11020767Jul 8, 2025Engine. Verify Reman part number availability. Order the "R" part number for all orders:
• 11020637Jul 4, 2025Transmission and drivetrain. 8HP75 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…
• 11020636Jul 4, 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 comment…
• 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 "
• 11019434Jun 4, 2025Fuel system. "Hard To Fill With Fuel Customers may experience one or more of the following: ● Hard, difficult, or unable to fill the fuel tank. ● Fuel nozzle shuts off prematurely before the fuel tank is full. This bulletin involves replacing the fuel tank."
• 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

← All problems reported for the 2020 Ram 1500