Jeep Wrangler Service Bulletins (2019)

837 manufacturer communications on file.

March 19, 2020•Document ID: 10175154
Service Bulletin/Repair Instructions
ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)
Mfr Comm. #:
18-021-20
Date Added:
May 18, 2020
Manufacturer:
JEEP
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 the technician may find that one or more of the following DTCs have been set:P06EF - Engine Restart Performance. P04FC - Crankcase Ventilation System Performance. P050B - Cold Start Ignition Timing Performance. P0456 - EVAP System Small Leak.If DTC P0456 is present use the wiTECH Small Leak Verification Test (SLVT) to determine if a leak is present in the system. P0128 - Thermostat Rationality. The following software enhancement is included:Enable Soot Retention for vehicles equipped with Gasoline Particulate Filter (GPF). Customer or technician may also experience the following:Unable to read data information from the OBD II connector when using a generic scan tool(APAC Only).
Associated Products (1)
2019 Jeep Wrangler
Associated Documents
- Download MC-10175154-0001.pdf↗
March 19, 2020•Document ID: 10175153
Service Bulletin/Repair Instructions
ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT
Mfr Comm. #:
18-022-20
Date Added:
May 18, 2020
Manufacturer:
JEEP
Summary
Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. The customer may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following DTCs:P06EF - Engine Restart Performance. P050B - Cold Start Ignition Timing Performance. P0456 - EVAP System Small Leak.If DTC P0456 is present use the wiTECH Small Leak Verification Test (SLVT) to determine if a leak is present in the system. P0128 - Thermostat Rationality. P0507 - Idle Speed Performance Higher Than Expected. Customers may also describe the following condition:Excessive radiator fan noise when the A/C is on MAX output. In addition, the following software enhancements are available:Electric Vacuum Pump (EVP) update. Fan noise reduction.
Associated Products (1)
2019 Jeep Wrangler
Associated Documents
- Download MC-10175153-0001.pdf↗
March 19, 2020•Document ID: 10174234
Service Bulletin/Repair Instructions
POWER TRAIN; ELECTRICAL SYSTEM
Mfr Comm. #:
18-021-20
Date Added:
April 27, 2020
Manufacturer:
JEEP
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 the technician may find that one or more of the following DTCs have been set:P06EF - Engine Restart Performance. P04FC - Crankcase Ventilation System Performance. P050B - Cold Start Ignition Timing Performance. P0456 - EVAP System Small Leak.If DTC P0456 is present use the wiTECH Small Leak Verification Test (SLVT) to determine if a leak is present in the system. P0128 - Thermostat Rationality. The following software enhancement is included:Enable Soot Retention for vehicles equipped with Gasoline Particulate Filter (GPF). Customer or technician may also experience the following:Unable to read data information from the OBD II connector when using a generic scan tool(APAC Only).
Associated Products (1)
2019 Jeep Wrangler
Associated Documents
- Download MC-10174234-0001.pdf↗
March 19, 2020•Document ID: 10174233
Service Bulletin/Repair Instructions
ELECTRICAL SYSTEM; POWER TRAIN
Mfr Comm. #:
18-022-20
Date Added:
April 27, 2020
Manufacturer:
JEEP
Summary
Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. The customer may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following DTCs:P06EF - Engine Restart Performance. P050B - Cold Start Ignition Timing Performance. P0456 - EVAP System Small Leak.If DTC P0456 is present use the wiTECH Small Leak Verification Test (SLVT) to determine if a leak is present in the system. P0128 - Thermostat Rationality. P0507 - Idle Speed Performance Higher Than Expected. Customers may also describe the following condition:Excessive radiator fan noise when the A/C is on MAX output. In addition, the following software enhancements are available:Electric Vacuum Pump (EVP) update. Fan noise reduction.
Associated Products (1)
2019 Jeep Wrangler
Associated Documents
- Download MC-10174233-0001.pdf↗
March 16, 2020•Document ID: 10175486
Service Bulletin/Repair Instructions
VISIBILITY
Mfr Comm. #:
S20230000017
Date Added:
May 26, 2020
Manufacturer:
JEEP
Summary
Whistle Wind Noise From Windshield Area.
Associated Products (4)
2020 Jeep Gladiator 2020 Jeep Wrangler 2019 Jeep Wrangler 2018 Jeep Wrangler
Associated Documents
- Download MC-10175486-0001.pdf↗
March 16, 2020•Document ID: 10175074
Service Bulletin/Repair Instructions
VISIBILITY
Mfr Comm. #:
S20230000017
Date Added:
May 18, 2020
Manufacturer:
JEEP
Summary
Whistle Wind Noise From Windshield Area.
Associated Products (4)
2020 Jeep Gladiator 2020 Jeep Wrangler 2019 Jeep Wrangler 2018 Jeep Wrangler
Associated Documents
- Download MC-10175074-0001.pdf↗
March 16, 2020•Document ID: 10174154
Service Bulletin/Repair Instructions
BACK OVER PREVENTION; VISIBILITY:WINDSHIELD WIPER/WASHER:LINKAGES
Mfr Comm. #:
S20230000017
Date Added:
April 27, 2020
Manufacturer:
JEEP
Summary
Whistle Wind Noise From Windshield Area.
Associated Products (4)
2020 Jeep Gladiator 2020 Jeep Wrangler 2019 Jeep Wrangler 2018 Jeep Wrangler
Associated Documents
- Download MC-10174154-0001.pdf↗
March 10, 2020•Document ID: 10175478
Service Bulletin/Repair Instructions
POWER TRAIN; ELECTRICAL SYSTEM
Mfr Comm. #:
S2025000002
Date Added:
May 26, 2020
Manufacturer:
JEEP
Summary
Customer complaint includes check engine/MIL light on. Upon further inspection, fault codes will be found in the powertrain control module (PCM) for P0441, P0443 or P0449. Fault codes may be either active or stored.
Associated Products (3)
2020 Jeep Gladiator 2020 Jeep Wrangler 2019 Jeep Wrangler
Associated Documents
- Download MC-10175478-0001.pdf↗
March 10, 2020•Document ID: 10175066
Service Bulletin/Repair Instructions
ELECTRICAL SYSTEM
Mfr Comm. #:
S2025000002
Date Added:
May 18, 2020
Manufacturer:
JEEP
Summary
Customer complaint includes check engine/MIL light on. Upon further inspection, fault codes will be found in the powertrain control module (PCM) for P0441, P0443 or P0449. Fault codes may be either active or stored.
Associated Products (3)
2020 Jeep Gladiator 2020 Jeep Wrangler 2019 Jeep Wrangler
Associated Documents
- Download MC-10175066-0001.pdf↗
March 10, 2020•Document ID: 10174146
Service Bulletin/Repair Instructions
AIR BAGS; ELECTRICAL SYSTEM
Mfr Comm. #:
S2025000002
Date Added:
April 27, 2020
Manufacturer:
JEEP
Summary
Customer complaint includes check engine/MIL light on. Upon further inspection, fault codes will be found in the powertrain control module (PCM) for P0441, P0443 or P0449. Fault codes may be either active or stored.
Associated Products (3)
2020 Jeep Gladiator 2020 Jeep Wrangler 2019 Jeep Wrangler
Associated Documents
- Download MC-10174146-0001.pdf↗
March 9, 2020•Document ID: 10175477
Service Bulletin/Repair Instructions
SUSPENSION
Mfr Comm. #:
S2003000001
Date Added:
May 26, 2020
Manufacturer:
JEEP
Summary
Noise From Front Axle Area Over Bumps
Associated Products (4)
2020 Jeep Gladiator 2020 Jeep Wrangler 2019 Jeep Wrangler 2018 Jeep Wrangler
Associated Documents
- Download MC-10175477-0001.pdf↗
March 9, 2020•Document ID: 10175065
Service Bulletin/Repair Instructions
SUSPENSION
Mfr Comm. #:
S2003000001
Date Added:
May 18, 2020
Manufacturer:
JEEP
Summary
Noise From Front Axle Area Over Bumps
Associated Products (4)
2020 Jeep Gladiator 2020 Jeep Wrangler 2019 Jeep Wrangler 2018 Jeep Wrangler
Associated Documents
- Download MC-10175065-0001.pdf↗
March 9, 2020•Document ID: 10174145
Service Bulletin/Repair Instructions
STRUCTURE:BODY:BUMPERS
Mfr Comm. #:
S2003000001
Date Added:
April 27, 2020
Manufacturer:
JEEP
Summary
Noise From Front Axle Area Over Bumps
Associated Products (4)
2020 Jeep Gladiator 2020 Jeep Wrangler 2019 Jeep Wrangler 2018 Jeep Wrangler
Associated Documents
- Download MC-10174145-0001.pdf↗
March 4, 2020•Document ID: 10175466
Service Bulletin/Repair Instructions
ELECTRICAL SYSTEM
Mfr Comm. #:
S2008000016
Date Added:
May 26, 2020
Manufacturer:
JEEP
Summary
4WD Lamp On, Service 4WD System, DTC C147B-14 Front Axle Disconnect Sensor-Circuit Short To Ground Or Open
Associated Products (2)
2019 Jeep Wrangler 2018 Jeep Wrangler
Associated Documents
- Download MC-10175466-0001.pdf↗
March 4, 2020•Document ID: 10175054
Service Bulletin/Repair Instructions
ELECTRICAL SYSTEM
Mfr Comm. #:
S2008000016
Date Added:
May 18, 2020
Manufacturer:
JEEP
Summary
4WD Lamp On, Service 4WD System, DTC C147B-14 Front Axle Disconnect Sensor-Circuit Short To Ground Or Open
Associated Products (2)
2019 Jeep Wrangler 2018 Jeep Wrangler
Associated Documents
- Download MC-10175054-0001.pdf↗
March 4, 2020•Document ID: 10174134
Service Bulletin/Repair Instructions
ELECTRICAL SYSTEM
Mfr Comm. #:
S2008000016
Date Added:
April 27, 2020
Manufacturer:
JEEP
Summary
4WD Lamp On, Service 4WD System, DTC C147B-14 Front Axle Disconnect Sensor-Circuit Short To Ground Or Open
Associated Products (2)
2019 Jeep Wrangler 2018 Jeep Wrangler
Associated Documents
- Download MC-10174134-0001.pdf↗
March 4, 2020•Document ID: 10175510
Service Bulletin/Repair Instructions
EQUIPMENT
Mfr Comm. #:
D-20-02 Rev. A
Date Added:
May 26, 2020
Manufacturer:
JEEP
Summary
DIPAP Requirements - Addition of Jeep Wrangler (JL/JK) and Jeep Gladiator (JT) Hard Top and Targa Top Panel Replacements - All Dealers (Rev. A)
Associated Products (39)
2021 Jeep Wrangler 2020 Jeep Gladiator 2020 Jeep Wrangler 2019 Jeep Gladiator 2019 Jeep Wrangler 2018 Jeep Wrangler 2017 Jeep Wrangler 2016 Jeep Wrangler 2015 Jeep Wrangler 2014 Jeep Wrangler 2013 Jeep Wrangler 2012 Jeep Wrangler 2011 Jeep Wrangler 2010 Jeep Wrangler 2009 Jeep Wrangler 2008 Jeep Wrangler 2007 Jeep Wrangler 2006 Jeep Wrangler 2005 Jeep Wrangler 2004 Jeep Wrangler+ 19 more
Associated Documents
- Download MC-10175510-0001.pdf↗
February 26, 2020•Document ID: 10173328
Service Bulletin/Repair Instructions
ELECTRICAL SYSTEM; EQUIPMENT
Mfr Comm. #:
S2008000013
Date Added:
April 6, 2020
Manufacturer:
JEEP
Summary
Key Programming, Security Pin Request, Pin Invalid
Associated Products (124)
2020 Chrysler 300 2020 Chrysler Pacifica 2020 Dodge Challenger 2020 Dodge Charger 2020 Dodge Durango 2020 Dodge Journey 2020 Fiat 500 2020 Fiat 500X 2020 Jeep Cherokee 2020 Jeep Compass 2020 Jeep Gladiator 2020 Jeep Grand Cherokee 2020 Jeep Renegade 2020 Jeep Wrangler 2020 Ram 1500 2020 Ram 2500 2020 Ram 3500 2020 Ram 4500 2020 Ram 5500 2019 Alfa Romeo Stelvio+ 104 more
Associated Documents
- Download MC-10173328-0001.pdf↗
February 26, 2020•Document ID: 10173283
Service Bulletin/Repair Instructions
SEATS; VEHICLE SPEED CONTROL
Mfr Comm. #:
9004190
Date Added:
April 6, 2020
Manufacturer:
JEEP
Summary
FRAME, Front Seat Cushion For all 2 door JL vehicles, if the front driver or passenger seat is stuck in the folded (EZ entry) position or it won't return to normal seating position, review SB 23-020-19 prior to replacing the seat frame.
Associated Products (3)
2020 Jeep Wrangler 2019 Jeep Wrangler 2018 Jeep Wrangler
Associated Documents
- Download MC-10173283-0001.pdf↗
February 25, 2020•Document ID: 10173329
Service Bulletin/Repair Instructions
SUSPENSION
Mfr Comm. #:
S2003000001
Date Added:
April 6, 2020
Manufacturer:
JEEP
Summary
Noise From Front Axle Area Over Bumps
Associated Products (4)
2020 Jeep Gladiator 2020 Jeep Wrangler 2019 Jeep Wrangler 2018 Jeep Wrangler
Associated Documents
- Download MC-10173329-0001.pdf↗

← Back to Jeep Wrangler