Ram 1500 Service Bulletins

3,710 manufacturer communications on file.

March 27, 2021•Document ID: 10220987
Service Bulletin/Repair Instructions
POWER TRAIN
Mfr Comm. #:
0900321
Date Added:
September 26, 2022
Manufacturer:
RAM
Summary
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 Ratio - Clutch 3 Defective. P1D92-00 Incorrect Gear Ratio - Clutch 4 Defective. P1D93-00 Incorrect Gear Ratio - Clutch 5 Defective. P1D95-00 Tcm Clutch Failure Undetermined. P1B14-00 Park-By-Wire - Unintended Park Position. P1B13-00 Park-By-Wire - Unintended Out Of Park Position. P1D99-00 Incorrect Gear Ratio: Clutch B Or E Defective. P1D9A-00 Incorrect Gear Ratio: Clutch C Or D Defective. P1D95-00 Tcm Clutch Failure Undetermined. P07E4-00 Unable To Engage Park. P1DCD-00 Tcm Monitoring Processor Performance - Multiple Clutches Locked Up. P0735-00 Gear 5 Shift Incorrect Ratio. P0919-00 Gear Shift Position Control Error. Customers may also experience the following:Transmission fluid leaking under vehicle. The vehicle will not shift. Slow shifting between gears.
Associated Products (2)
2021 Ram 1500 2020 Ram 1500
Associated Documents
- Download MC-10220987-0001.pdf↗
March 27, 2021•Document ID: 10220916
Service Bulletin/Repair Instructions
ELECTRICAL SYSTEM; INTERIOR LIGHTING
Mfr Comm. #:
S2108000082
Date Added:
September 26, 2022
Manufacturer:
RAM
Summary
Interior Lighting Inoperative, Dome, Reading, Glove Box, Center Console, Vanity Lamp, Rambox Lighting
Associated Products (3)
2021 Ram 1500 2020 Ram 1500 2019 Ram 1500
Associated Documents
- Download MC-10220916-0001.pdf↗
March 27, 2021•Document ID: 10190734
Service Bulletin/Repair Instructions
POWER TRAIN; EXTERIOR LIGHTING
Mfr Comm. #:
09-003-21
Date Added:
April 26, 2021
Manufacturer:
RAM
Summary
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 Ratio - Clutch 3 Defective. P1D92-00 Incorrect Gear Ratio - Clutch 4 Defective. P1D93-00 Incorrect Gear Ratio - Clutch 5 Defective. P1D95-00 Tcm Clutch Failure Undetermined. P1B14-00 Park-By-Wire - Unintended Park Position. P1B13-00 Park-By-Wire - Unintended Out Of Park Position. P1D99-00 Incorrect Gear Ratio: Clutch B Or E Defective. P1D9A-00 Incorrect Gear Ratio: Clutch C Or D Defective. P1D95-00 Tcm Clutch Failure Undetermined. P07E4-00 Unable To Engage Park. P1DCD-00 Tcm Monitoring Processor Performance - Multiple Clutches Locked Up. P0735-00 Gear 5 Shift Incorrect Ratio. P0919-00 Gear Shift Position Control Error. Customers may also experience the following:Transmission fluid leaking under vehicle. The vehicle will not shift. Slow shifting between gears.
Associated Products (2)
2021 Ram 1500 2020 Ram 1500
Associated Documents
- Download MC-10190734-0001.pdf↗
March 27, 2021•Document ID: 10190663
Service Bulletin/Repair Instructions
EQUIPMENT
Mfr Comm. #:
S2108000082
Date Added:
April 26, 2021
Manufacturer:
RAM
Summary
Interior Lighting Inoperative, Dome, Reading, Glove Box, Center Console, Vanity Lamp, Rambox Lighting
Associated Products (3)
2021 Ram 1500 2020 Ram 1500 2019 Ram 1500
Associated Documents
- Download MC-10190663-0001.pdf↗
March 26, 2021•Document ID: 10220982
Service Bulletin/Repair Instructions
STEERING; SUSPENSION; WHEELS
Mfr Comm. #:
0200121
Date Added:
September 26, 2022
Manufacturer:
RAM
Summary
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.
Associated Products (1)
2021 Ram 1500
Associated Documents
- Download MC-10220982-0001.pdf↗
March 26, 2021•Document ID: 10220911
Service Bulletin/Repair Instructions
EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.
Mfr Comm. #:
S2108000080
Date Added:
September 26, 2022
Manufacturer:
DODGE
Summary
Radio Replacement Reset Routine, Radio Has Missing Icons Or Are Grayed Out
Associated Products (58)
2021 Chrysler 300 2021 Dodge Challenger 2021 Dodge Charger 2021 Jeep Cherokee 2021 Jeep Compass 2021 Jeep Gladiator 2021 Jeep Grand Cherokee 2021 Jeep Renegade 2021 Jeep Wrangler 2021 Ram 1500 2021 Ram 2500 2021 Ram 3500 2021 Ram 4500 2021 Ram 5500 2020 Chrysler 300 2020 Chrysler Pacifica 2020 Dodge Challenger 2020 Dodge Charger 2020 Dodge Durango 2020 Jeep Cherokee+ 38 more
Associated Documents
- Download MC-10220911-0001.pdf↗
March 26, 2021•Document ID: 10190729
Service Bulletin/Repair Instructions
SUSPENSION; STEERING; WHEELS
Mfr Comm. #:
02-001-21
Date Added:
April 26, 2021
Manufacturer:
RAM
Summary
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.
Associated Products (1)
2021 Ram 1500
Associated Documents
- Download MC-10190729-0001.pdf↗
March 26, 2021•Document ID: 10190658
Service Bulletin/Repair Instructions
EQUIPMENT
Mfr Comm. #:
S2108000080
Date Added:
April 26, 2021
Manufacturer:
RAM
Summary
Radio Replacement Reset Routine, Radio Has Missing Icons Or Are Grayed Out
Associated Products (55)
2021 Chrysler 300 2021 Dodge Challenger 2021 Dodge Charger 2021 Jeep Cherokee 2021 Jeep Compass 2021 Jeep Gladiator 2021 Jeep Grand Cherokee 2021 Jeep Renegade 2021 Jeep Wrangler 2021 Ram 1500 2021 Ram 2500 2021 Ram 3500 2021 Ram 4500 2020 Chrysler 300 2020 Chrysler Pacifica 2020 Dodge Challenger 2020 Dodge Charger 2020 Dodge Durango 2020 Jeep Cherokee 2020 Jeep Compass+ 35 more
Associated Documents
- Download MC-10190658-0001.pdf↗
March 25, 2021•Document ID: 10220907
Service Bulletin/Repair Instructions
EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM)
Mfr Comm. #:
S1908000022RevB
Date Added:
September 26, 2022
Manufacturer:
RAM
Summary
Navigation Search Feature Does Not Work
Associated Products (10)
2020 Ram 1500 2020 Ram 2500 2020 Ram 3500 2020 Ram 4500 2020 Ram 5500 2019 Ram 1500 2019 Ram 2500 2019 Ram 3500 2019 Ram 4500 2019 Ram 5500
Associated Documents
- Download MC-10220907-0001.pdf↗
March 25, 2021•Document ID: 10190654
Service Bulletin/Repair Instructions
EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM)
Mfr Comm. #:
S1908000022 Rev.
Date Added:
April 26, 2021
Manufacturer:
RAM
Summary
Navigation Search Feature Does Not Work
Associated Products (8)
2020 Ram 1500 2020 Ram 2500 2020 Ram 3500 2020 Ram 4500 2019 Ram 1500 2019 Ram 2500 2019 Ram 3500 2019 Ram 4500
Associated Documents
- Download MC-10190654-0001.pdf↗
March 25, 2021•Document ID: 10220908
Service Bulletin/Repair Instructions
ELECTRICAL SYSTEM
Mfr Comm. #:
S2008000126RevD
Date Added:
September 26, 2022
Manufacturer:
RAM
Summary
RKE Has Reduced Range, Remote Start Inoperative, Multiple Keyless Go Push Attempts To Start, Key Not Detected Message, Tire Pressure Warning Lamp On
Associated Products (3)
2021 Ram 1500 2020 Ram 1500 2019 Ram 1500
Associated Documents
- Download MC-10220908-0001.pdf↗
March 25, 2021•Document ID: 10190655
Service Bulletin/Repair Instructions
ELECTRICAL SYSTEM
Mfr Comm. #:
S2008000126 Rev.
Date Added:
April 26, 2021
Manufacturer:
RAM
Summary
RKE Has Reduced Range, Remote Start Inoperative, Multiple Keyless Go Push Attempts To Start, Key Not Detected Message, Tire Pressure Warning Lamp On
Associated Products (3)
2021 Ram 1500 2020 Ram 1500 2019 Ram 1500
Associated Documents
- Download MC-10190655-0001.pdf↗
March 24, 2021•Document ID: 10220972
Service Bulletin/Repair Instructions
ELECTRICAL SYSTEM
Mfr Comm. #:
0804721
Date Added:
September 26, 2022
Manufacturer:
RAM
Summary
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. Upon further investigation the technician may find that one or moreof the following Diagnostic Trouble Codes (DTCs) have been set: B18BA-12 - Window Control - Circuit Short to Battery B18BA-13 - Window Control - Circuit Open In addition the customer may notice one or more of the following:Driver and/or passenger windows stop working. If window switch is held in the up position for two seconds the obstructionautodown function, may not work. Windows may go up slower than expected.
Associated Products (2)
2021 Ram 1500 2020 Ram 1500
Associated Documents
- Download MC-10220972-0001.pdf↗
March 24, 2021•Document ID: 10190719
Service Bulletin/Repair Instructions
VISIBILITY; ELECTRICAL SYSTEM; VEHICLE SPEED CONTROL; EXTERIOR LIGHTING
Mfr Comm. #:
08-047-21
Date Added:
April 26, 2021
Manufacturer:
RAM
Summary
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. Upon further investigation the technician may find that one or moreof the following Diagnostic Trouble Codes (DTCs) have been set: B18BA-12 - Window Control - Circuit Short to Battery B18BA-13 - Window Control - Circuit Open In addition the customer may notice one or more of the following:Driver and/or passenger windows stop working. If window switch is held in the up position for two seconds the obstructionautodown function, may not work. Windows may go up slower than expected.
Associated Products (2)
2021 Ram 1500 2020 Ram 1500
Associated Documents
- Download MC-10190719-0001.pdf↗
March 23, 2021•Document ID: 10220969
Service Bulletin/Repair Instructions
STRUCTURE
Mfr Comm. #:
2301221
Date Added:
September 26, 2022
Manufacturer:
RAM
Summary
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 vehicle is left unlocked.
Associated Products (2)
2021 Ram 1500 2020 Ram 1500
Associated Documents
- Download MC-10220969-0001.pdf↗
March 23, 2021•Document ID: 10190716
Service Bulletin/Repair Instructions
SEAT BELTS; AIR BAGS; VEHICLE SPEED CONTROL
Mfr Comm. #:
23-012-21
Date Added:
April 26, 2021
Manufacturer:
RAM
Summary
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 vehicle is left unlocked.
Associated Products (2)
2021 Ram 1500 2020 Ram 1500
Associated Documents
- Download MC-10190716-0001.pdf↗
March 22, 2021•Document ID: 10220904
Service Bulletin/Repair Instructions
VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM
Mfr Comm. #:
S1924000019RevB
Date Added:
September 26, 2022
Manufacturer:
RAM
Summary
Customer Indicates That Temperature Varies From Side To Side Being Colder On One Side Compared To The Other.
Associated Products (15)
2021 Ram 1500 2021 Ram 2500 2021 Ram 3500 2021 Ram 4500 2021 Ram 5500 2020 Ram 1500 2020 Ram 2500 2020 Ram 3500 2020 Ram 4500 2020 Ram 5500 2019 Ram 1500 2019 Ram 2500 2019 Ram 3500 2019 Ram 4500 2019 Ram 5500
Associated Documents
- Download MC-10220904-0001.pdf↗
March 22, 2021•Document ID: 10190651
Service Bulletin/Repair Instructions
STRUCTURE
Mfr Comm. #:
S1924000019 Rev.
Date Added:
April 26, 2021
Manufacturer:
RAM
Summary
Customer Indicates That Temperature Varies From Side To Side Being Colder On One Side Compared To The Other.
Associated Products (12)
2021 Ram 1500 2021 Ram 2500 2021 Ram 3500 2021 Ram 4500 2020 Ram 1500 2020 Ram 2500 2020 Ram 3500 2020 Ram 4500 2019 Ram 1500 2019 Ram 2500 2019 Ram 3500 2019 Ram 4500
Associated Documents
- Download MC-10190651-0001.pdf↗
March 20, 2021•Document ID: 10220902
Service Bulletin/Repair Instructions
ELECTRICAL SYSTEM; BACK OVER PREVENTION
Mfr Comm. #:
S1808000097RevA
Date Added:
September 26, 2022
Manufacturer:
RAM
Summary
Back Up Camera Inoperative Complaints, Radio Display Blue Or Blank When Placed In Reverse
Associated Products (9)
2021 Ram 1500 2021 Ram 2500 2021 Ram 3500 2020 Ram 1500 2020 Ram 2500 2020 Ram 3500 2019 Ram 1500 2019 Ram 2500 2019 Ram 3500
Associated Documents
- Download MC-10220902-0001.pdf↗
March 20, 2021•Document ID: 10220899
Service Bulletin/Repair Instructions
ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM
Mfr Comm. #:
S2118000002
Date Added:
September 26, 2022
Manufacturer:
RAM
Summary
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:
Associated Products (2)
2021 Ram 1500 2020 Ram 1500
Associated Documents
- Download MC-10220899-0001.pdf↗

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