Ram 1500 Service Bulletins

2,018 manufacturer communications on file.

March 16, 2021•Document ID: 10220958
Service Bulletin/Repair Instructions
ELECTRICAL SYSTEM
Mfr Comm. #:
0803721
Date Added:
September 26, 2022
Manufacturer:
RAM
Summary
Flash: Hybrid Control Processor (HCP) Updates This bulletin involves updating the HCP with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs). P1A26-00 - BPCM Hybrid Battery State Of Charge Performance. P0A7E-00 - Hybrid/EV Battery Pack Over Temperature. U1003-00 - ESP Can C Bus Performance. P2534-00 - Ignition Switch Run/Start Position Circuit Low. P0506 - Idle Speed Performance Lower Than Expected. P0507 - Idle Speed Performance Higher Than Expected. One Trip DTC Changed to a Two Trip DTC.P0AC6-00 - Hybrid/Ev Battery Temperature Sensor 2 Circuit Performance. P0ACB-00 - Hybrid/Ev Battery Temperature Sensor 3 Circuit Performance. U0121-00 - Lost Communication With Anti-Lock Brake System (ABS) Control Module. U0140-00 - Lost Communication With Body Control Module. U1818-00 - Lost Communication With ECM/PCM On D-PT Can. U0100-00 - Lost Communication With ECM/PCM. U0102-00 - Lost Communication With Transfer Case Control Module / AWD. U1003-00 - ESP Can C Bus Performance. P0562 - Battery/System Voltage Low. P060C-00 - Internal Control Module Main Processor Performance. U0415-00 - Implausible Data Received From ABS. U1850-00 - Implausible Data Received From PCM on D-PT. Two Trip DTC Changed to a One Trip DTC.P0E52-00 - DC/DC Converter Current Sensor Circuit A Range/Performance. P0C39-00 - DC/DC Converter Temperature Sensor 1 Performance. P0C3E-00 - DC/DC Converter Temperature Sensor 2 Performance. P0E59-00 - DC/DC Converter Temperature Sensor C Circuit Range/Performance. P0E32-00 - DC/DC Converter Voltage Sensor 1 Performance. P0E37-00 - DC/DC Converter Voltage Sensor 2 Performance. P2C8D-00 - DC/DC Converter Temperature Sensor "D" Circuit Range/Performance. P2535-00 - Ignition Switch Run/Start Position Circuit High. P2534-00 - Ignition Switch Run/Start Position Circuit Low.
Associated Products (1)
2021 Ram 1500
Associated Documents
- Download MC-10220958-0001.pdf↗
March 16, 2021•Document ID: 10220891
Service Bulletin/Repair Instructions
VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM; EQUIPMENT:APPLIANCE:AIR CONDITIONER
Mfr Comm. #:
S2124000004
Date Added:
September 26, 2022
Manufacturer:
RAM
Summary
A/C does not cool and vehicle is low on Freon charge but no leak is found with sniffer or black light anywhere in the system
Associated Products (20)
2021 Alfa Romeo Stelvio 2021 Chrysler 300 2021 Chrysler Pacifica 2021 Chrysler Voyager 2021 Dodge Challenger 2021 Dodge Charger 2021 Dodge Durango 2021 Fiat 500X 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 2021 Ram Promaster City
Associated Documents
- Download MC-10220891-0001.pdf↗
March 16, 2021•Document ID: 10220885
Service Bulletin/Repair Instructions
ELECTRICAL SYSTEM
Mfr Comm. #:
S2105000002
Date Added:
September 26, 2022
Manufacturer:
RAM
Summary
ESC ABS MIL light on DTC?s P0507, P04FC, P2172 set
Associated Products (1)
2021 Ram 1500
Associated Documents
- Download MC-10220885-0001.pdf↗
March 16, 2021•Document ID: 10190705
Service Bulletin/Repair Instructions
EXTERIOR LIGHTING; BACK OVER PREVENTION; STRUCTURE; ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC); ELECTRICAL SYSTEM
Mfr Comm. #:
08-037-21
Date Added:
April 26, 2021
Manufacturer:
RAM
Summary
Flash: Hybrid Control Processor (HCP) Updates This bulletin involves updating the HCP with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs). P1A26-00 - BPCM Hybrid Battery State Of Charge Performance. P0A7E-00 - Hybrid/EV Battery Pack Over Temperature. U1003-00 - ESP Can C Bus Performance. P2534-00 - Ignition Switch Run/Start Position Circuit Low. P0506 - Idle Speed Performance Lower Than Expected. P0507 - Idle Speed Performance Higher Than Expected. One Trip DTC Changed to a Two Trip DTC.P0AC6-00 - Hybrid/Ev Battery Temperature Sensor 2 Circuit Performance. P0ACB-00 - Hybrid/Ev Battery Temperature Sensor 3 Circuit Performance. U0121-00 - Lost Communication With Anti-Lock Brake System (ABS) Control Module. U0140-00 - Lost Communication With Body Control Module. U1818-00 - Lost Communication With ECM/PCM On D-PT Can. U0100-00 - Lost Communication With ECM/PCM. U0102-00 - Lost Communication With Transfer Case Control Module / AWD. U1003-00 - ESP Can C Bus Performance. P0562 - Battery/System Voltage Low. P060C-00 - Internal Control Module Main Processor Performance. U0415-00 - Implausible Data Received From ABS. U1850-00 - Implausible Data Received From PCM on D-PT. Two Trip DTC Changed to a One Trip DTC.P0E52-00 - DC/DC Converter Current Sensor Circuit A Range/Performance. P0C39-00 - DC/DC Converter Temperature Sensor 1 Performance. P0C3E-00 - DC/DC Converter Temperature Sensor 2 Performance. P0E59-00 - DC/DC Converter Temperature Sensor C Circuit Range/Performance. P0E32-00 - DC/DC Converter Voltage Sensor 1 Performance. P0E37-00 - DC/DC Converter Voltage Sensor 2 Performance. P2C8D-00 - DC/DC Converter Temperature Sensor "D" Circuit Range/Performance. P2535-00 - Ignition Switch Run/Start Position Circuit High. P2534-00 - Ignition Switch Run/Start Position Circuit Low.
Associated Products (1)
2021 Ram 1500
Associated Documents
- Download MC-10190705-0001.pdf↗
March 16, 2021•Document ID: 10190632
Service Bulletin/Repair Instructions
ENGINE AND ENGINE COOLING
Mfr Comm. #:
S2105000002
Date Added:
April 26, 2021
Manufacturer:
RAM
Summary
ESC ABS MIL light on DTC?s P0507, P04FC, P2172 set
Associated Products (1)
2021 Ram 1500
Associated Documents
- Download MC-10190632-0001.pdf↗
March 13, 2021•Document ID: 10220956
Service Bulletin/Repair Instructions
ELECTRICAL SYSTEM; POWER TRAIN
Mfr Comm. #:
1802821
Date Added:
September 26, 2022
Manufacturer:
RAM
Summary
Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation, a technician may find one or more of the following Diagnostic Trouble Codes (DTCs) have been set: P0524 - Low oil pressure (during start up in cold ambient temps). P249C-00 - Excessive Time To Enter Closed Loop Reductant Injection Control. P02E8-00 - Diesel Intake Air Flow Position Sensor Circuit Low. P20FB-00 - Reductant Pump 2 Control Performance. P065A-00 - Generator System Performance. P00AF-00 - Turbocharger Boost Control Module "A" Performance. P200A-00 - Intake Manifold Runner Performance - Bank 1. P200B-00 - Intake Manifold Runner Performance - Bank 2. P0106-00 - Manifold Absolute Pressure Sensor Performance. Customers may experience the following:Radio may reset during engine idle. Electronic Throttle Control (ETC) lamp turns on. After a long cold soak a stumble/hesitation is felt during the first few light accelerations. Turbo Surge in park or neutral and high Idle. The cruise control and speed limited set speed doesn?t match the speedometer. It could be up to 2.5 kpm (1.5 mph) difference. Other Software enhancements:Speedometer accuracy improvement(s). Cruise control updates. Battery durability improvements in hot ambient temperatures. Improved idle quality during remote start.
Associated Products (1)
2021 Ram 1500
Associated Documents
- Download MC-10220956-0001.pdf↗
March 13, 2021•Document ID: 10220883
Service Bulletin/Repair Instructions
EQUIPMENT; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.
Mfr Comm. #:
S2108000069
Date Added:
September 26, 2022
Manufacturer:
RAM
Summary
SXM Channels Inoperative Above Channel 450
Associated Products (5)
2021 Ram 1500 2021 Ram 2500 2021 Ram 3500 2021 Ram 4500 2021 Ram 5500
Associated Documents
- Download MC-10220883-0001.pdf↗
March 13, 2021•Document ID: 10190703
Service Bulletin/Repair Instructions
SERVICE BRAKES, HYDRAULIC; ELECTRICAL SYSTEM; AIR BAGS; FUEL SYSTEM, GASOLINE; FUEL SYSTEM, DIESEL; EXTERIOR LIGHTING; BACK OVER PREVENTION; POWER TRAIN
Mfr Comm. #:
18-028-21
Date Added:
April 26, 2021
Manufacturer:
RAM
Summary
Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation, a technician may find one or more of the following Diagnostic Trouble Codes (DTCs) have been set: P0524 - Low oil pressure (during start up in cold ambient temps). P249C-00 - Excessive Time To Enter Closed Loop Reductant Injection Control. P02E8-00 - Diesel Intake Air Flow Position Sensor Circuit Low. P20FB-00 - Reductant Pump 2 Control Performance. P065A-00 - Generator System Performance. P00AF-00 - Turbocharger Boost Control Module "A" Performance. P200A-00 - Intake Manifold Runner Performance - Bank 1. P200B-00 - Intake Manifold Runner Performance - Bank 2. P0106-00 - Manifold Absolute Pressure Sensor Performance. Customers may experience the following:Radio may reset during engine idle. Electronic Throttle Control (ETC) lamp turns on. After a long cold soak a stumble/hesitation is felt during the first few light accelerations. Turbo Surge in park or neutral and high Idle. The cruise control and speed limited set speed doesn?t match the speedometer. It could be up to 2.5 kpm (1.5 mph) difference. Other Software enhancements:Speedometer accuracy improvement(s). Cruise control updates. Battery durability improvements in hot ambient temperatures. Improved idle quality during remote start.
Associated Products (1)
2021 Ram 1500
Associated Documents
- Download MC-10190703-0001.pdf↗
March 13, 2021•Document ID: 10190630
Service Bulletin/Repair Instructions
EQUIPMENT
Mfr Comm. #:
S2108000069
Date Added:
April 26, 2021
Manufacturer:
RAM
Summary
SXM Channels Inoperative Above Channel 450
Associated Products (4)
2021 Ram 1500 2021 Ram 2500 2021 Ram 3500 2021 Ram 4500
Associated Documents
- Download MC-10190630-0001.pdf↗
March 12, 2021•Document ID: 10220953
Service Bulletin/Repair Instructions
POWER TRAIN; ELECTRICAL SYSTEM
Mfr Comm. #:
2100521
Date Added:
September 26, 2022
Manufacturer:
RAM
Summary
Flash: Transmission Control Module (TCM) Updates This bulletin involves reprogramming the TCM with the latest available software. Customers may experience the following on a vehicle with less than 64 km (40 miles) on the odometer:A Malfunction Indicator Lamp (MIL) event or failure withnoDiagnostic Trouble Codes (DTCs) and the vehicle has less than 40 miles on the odometer indicates it is likely the vehicle has experienced an unintentional code clear event. Do not use this software update if vehicle odometer has over 64 km (40 miles).
Associated Products (1)
2021 Ram 1500
Associated Documents
- Download MC-10220953-0001.pdf↗
March 12, 2021•Document ID: 10220880
Service Bulletin/Repair Instructions
ELECTRICAL SYSTEM
Mfr Comm. #:
S2108000067
Date Added:
September 26, 2022
Manufacturer:
RAM
Summary
Electronic Throttle Control Message And MIL Displayed. In Some Cases Rear Park Assist Temporarily Unavailable. U02BE Is Active And TRSCM Is Offline
Associated Products (1)
2021 Ram 1500
Associated Documents
- Download MC-10220880-0001.pdf↗
March 12, 2021•Document ID: 10190700
Service Bulletin/Repair Instructions
ELECTRICAL SYSTEM; POWER TRAIN; EXTERIOR LIGHTING
Mfr Comm. #:
21-005-21
Date Added:
April 26, 2021
Manufacturer:
RAM
Summary
Flash: Transmission Control Module (TCM) Updates This bulletin involves reprogramming the TCM with the latest available software. Customers may experience the following on a vehicle with less than 64 km (40 miles) on the odometer:A Malfunction Indicator Lamp (MIL) event or failure withnoDiagnostic Trouble Codes (DTCs) and the vehicle has less than 40 miles on the odometer indicates it is likely the vehicle has experienced an unintentional code clear event. Do not use this software update if vehicle odometer has over 64 km (40 miles).
Associated Products (1)
2021 Ram 1500
Associated Documents
- Download MC-10190700-0001.pdf↗
March 12, 2021•Document ID: 10190627
Service Bulletin/Repair Instructions
BACK OVER PREVENTION
Mfr Comm. #:
S2108000067
Date Added:
April 26, 2021
Manufacturer:
RAM
Summary
Electronic Throttle Control Message And MIL Displayed. In Some Cases Rear Park Assist Temporarily Unavailable. U02BE Is Active And TRSCM Is Offline
Associated Products (1)
2021 Ram 1500
Associated Documents
- Download MC-10190627-0001.pdf↗
March 11, 2021•Document ID: 10220876
Service Bulletin/Repair Instructions
AIR BAGS:SENSOR:OCCUPANT CLASSIFICATION:STATUS INDICATOR LAMP/LIGHT
Mfr Comm. #:
S2108000066
Date Added:
September 26, 2022
Manufacturer:
RAM
Summary
Check Engine Lamp On, P2504 Charge System Output High
Associated Products (1)
2021 Ram 1500
Associated Documents
- Download MC-10220876-0001.pdf↗
March 11, 2021•Document ID: 10220874
Service Bulletin/Repair Instructions
STRUCTURE:BODY:ROOF AND PILLARS
Mfr Comm. #:
S2123000013
Date Added:
September 26, 2022
Manufacturer:
RAM
Summary
Sunroof And Or Sunshade Does Not Move
Associated Products (1)
2021 Ram 1500
Associated Documents
- Download MC-10220874-0001.pdf↗
March 11, 2021•Document ID: 10190623
Service Bulletin/Repair Instructions
ELECTRICAL SYSTEM
Mfr Comm. #:
S2108000066
Date Added:
April 26, 2021
Manufacturer:
RAM
Summary
Check Engine Lamp On, P2504 Charge System Output High
Associated Products (1)
2021 Ram 1500
Associated Documents
- Download MC-10190623-0001.pdf↗
March 11, 2021•Document ID: 10190621
Service Bulletin/Repair Instructions
VISIBILITY
Mfr Comm. #:
S2123000013
Date Added:
April 26, 2021
Manufacturer:
RAM
Summary
Sunroof And Or Sunshade Does Not Move
Associated Products (1)
2021 Ram 1500
Associated Documents
- Download MC-10190621-0001.pdf↗
March 5, 2021•Document ID: 10220870
Service Bulletin/Repair Instructions
ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
Mfr Comm. #:
S21080000601
Date Added:
September 26, 2022
Manufacturer:
RAM
Summary
Service Park Assist Message Or Rear Park Assist Unavailable Message Displaying On The Cluster
Associated Products (1)
2021 Ram 1500
Associated Documents
- Download MC-10220870-0001.pdf↗
March 5, 2021•Document ID: 10220869
Service Bulletin/Repair Instructions
ENGINE AND ENGINE COOLING; SUSPENSION
Mfr Comm. #:
S2108000062
Date Added:
September 26, 2022
Manufacturer:
RAM
Summary
Rumbling, Rough Engine Vibration 1600 to1800, CEL (Check Engine Lamp) On, Cylinder Misfire DTC?s
Associated Products (1)
2021 Ram 1500
Associated Documents
- Download MC-10220869-0001.pdf↗
March 5, 2021•Document ID: 10190617
Service Bulletin/Repair Instructions
ELECTRICAL SYSTEM
Mfr Comm. #:
S2108000060 Rev.
Date Added:
April 26, 2021
Manufacturer:
RAM
Summary
Service Park Assist Message Or Rear Park Assist Unavailable Message Displaying On The Cluster
Associated Products (1)
2021 Ram 1500
Associated Documents
- Download MC-10190617-0001.pdf↗

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