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Service bulletins for the 2019 Jeep Wrangler

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

836 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Bulletins, newest first
18-022-202020-05-18. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM:SOFTWARE. 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.
V882020-05-18. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY. Customer Satisfaction Notification V88 Rear Quarter Windows
V41 Rev. 72020-05-18. Service bulletin. STEERING. Customer Satisfaction Notification V41 Steering Damper
S19080002082020-05-18. Service bulletin. EQUIPMENT. Satellite Radio Inoperative Radio Has Code B156B-13.
S20240000022020-05-18. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. WiTECH HVAC Actuator Calibration Test Reserved Tab.
S18190000042020-05-18. Service bulletin. STRUCTURE. Shimmy Felt In Front End
S202300000172020-05-18. Service bulletin. VISIBILITY. Whistle Wind Noise From Windshield Area.
S20250000022020-05-18. Service bulletin. ELECTRICAL SYSTEM. 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.
S20030000012020-05-18. Service bulletin. SUSPENSION. Noise From Front Axle Area Over Bumps
S20080000162020-05-18. Service bulletin. ELECTRICAL SYSTEM. 4WD Lamp On, Service 4WD System, DTC C147B-14 Front Axle Disconnect Sensor-Circuit Short To Ground Or Open
90042192020-05-18. Service bulletin. EQUIPMENT. PUMP, Water (Water Pump Inlet Tube) For concern of leak at water pump, please check and re-torque water pump inlet tube fasteners as described in Service Bulletin 07-001-20 before replacing the water pump.
07-001-202020-04-27. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ENGINE AND ENGINE COOLING. Water Pump Inlet Tube Fastener Torque This bulletin involves checking the torque on the water pump inlet tube fasteners to possibly eliminate coolant leak at this location. The customer may describe either a coolant leak or the coolant level is low.
18-021-202020-04-27. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. 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).
18-022-202020-04-27. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. 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.
V882020-04-27. Service bulletin. VISIBILITY. Customer Satisfaction Notification V88 Rear Quarter Windows
V41 Rev. 72020-04-27. Service bulletin. STEERING. Customer Satisfaction Notification V41 Steering Damper
S19080002082020-04-27. Service bulletin. EQUIPMENT:ELECTRICAL. Satellite Radio Inoperative Radio Has Code B156B-13.
S20240000022020-04-27. Service bulletin. EQUIPMENT:ELECTRICAL. WiTECH HVAC Actuator Calibration Test Reserved Tab.
S18190000042020-04-27. Service bulletin. STRUCTURE:FRAME AND MEMBERS:UNDERBODY SHIELDS. Shimmy Felt In Front End
S202300000172020-04-27. Service bulletin. VISIBILITY:WINDSHIELD WIPER/WASHER:LINKAGES; BACK OVER PREVENTION. Whistle Wind Noise From Windshield Area.
S20250000022020-04-27. Service bulletin. ELECTRICAL SYSTEM; AIR BAGS. 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.
S20030000012020-04-27. Service bulletin. STRUCTURE:BODY:BUMPERS. Noise From Front Axle Area Over Bumps
S20080000162020-04-27. Service bulletin. ELECTRICAL SYSTEM. 4WD Lamp On, Service 4WD System, DTC C147B-14 Front Axle Disconnect Sensor-Circuit Short To Ground Or Open
90042192020-04-27. Service bulletin. ENGINE AND ENGINE COOLING. PUMP, Water (Water Pump Inlet Tube) For concern of leak at water pump, please check and re-torque water pump inlet tube fasteners as described in Service Bulletin 07-001-20 before replacing the water pump.
23-011-202020-04-06. Service bulletin. SEATS. Rubicon Front Seat Back Panel Loose This bulletin includes inspecting, reattaching and if needed replacing the front seat back panel(s). Customers may comment on the following:Front seat back panel is loose. Front seat back panel fell off. Gap between the seat back and seat assembly,Fig. 1. Gap Between Seat Back and Panel

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.