WenmarOpen by Wenmar Pro

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
08-074-20 REV. C2020-11-30. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM; STEERING. Improved Steering Feel This bulletin involves replacing the steering gear and updating the Electric Hydraulic Power Steering (EHPS) software, checking sales codes and performing vehicle reconfig, if required.Review and perform all step necessary to complete the Repair Procedure. If any steps are missed this may lead to undesired handling characteristics. The customer may describe one or more of the following:Steering wander. Vehicle has a lead/pull to the right or left.The lead/pull will be more noticeable in hot ambient temperatures. Steering feels like it has excess play.This Technical Service Bulletin (TSB) repair will NOT correct a sustained steering shake, shimmy or vibration. Video aid has been developed for this issue. Refer to the detailed service procedures available in DealerConnect>Service Library under: Service Info>19 - Steering / Linkage / Damper, Steering /Removal and Installation.
08-097-202020-11-30. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; ELECTRICAL SYSTEM:SOFTWARE. UAQ and UCQ Radio Enhancements This bulletin has been canceled. The software on the Uconnect site will be turned off. Any USB flash drives that has this software on it must be deleted. If the radio is updated with 28.3 software it may cause more issues with the radio and dissatisfy the customer. Enhanced software should be available the first quarter of 2021.
S20080001562020-11-30. Service bulletin. ELECTRICAL SYSTEM:INTERIOR LAMPS/BULBS; ENGINE. CEL (Check Engine Lamp) On, Intermittent Hard Starting, Rough Idle
S2008000085 Rev.2020-11-30. Service bulletin. SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT; EXTERIOR LIGHTING:BRAKE LIGHTS. ABS, ESC Lamp On, Red Brake Lamp Flashing
S1908000046 Rev.2020-11-30. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM; EQUIPMENT. Audio Cuts Out In Two Second Intervals On Any Mode Or No Audio On Any Mode
90043092020-11-30. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; STEERING. GEAR, Power Steering When installing this gear refer to published service information. The power steering pump software must be updated, and vehicle configuration updated to ensure proper steering feel.
08-074-20 REV. B2020-10-26. Service bulletin. STEERING. Improved Steering Feel This bulletin involves replacing the steering gear and updating the Electric Hydraulic Power Steering (EHPS) software, if required. The customer may describe one or more of the following:Steering wander. Vehicle has a lead/pull to the right or left.The lead/pull will be more noticeable in hot ambient temperatures. Steering feels like it has excess play.This Technical Service Bulletin (TSB) repair will NOT correct a sustained steering shake, shimmy or vibration. Video aid has been developed for this issue. Refer to the detailed service procedures available in DealerConnect>Service Library under: Service Info>19 - Steering / Linkage / Damper, Steering /Removal and Installation.
08-074-20 REV. A2020-10-26. Service bulletin. STEERING. Improved Steering Feel This bulletin involves replacing the steering gear and updating the Electric Hydraulic Power Steering (EHPS) software, if required. The customer may describe one or more of the following:Steering wander. Vehicle has a lead/pull to the right or left.The lead/pull will be more noticeable in hot ambient temperatures. Steering feels like it has excess play.This Technical Service Bulletin (TSB) repair will NOT correct a sustain steering shake, shimmy or vibration. Video aid has been developed for this issue. Refer to the detailed service procedures available in DealerConnect>Service Library under: Service Info>19 - Steering / Linkage / Damper, Steering /Removal and Installation.
08-079-202020-10-26. Service bulletin. EQUIPMENT. UGQ Radio Enhancements This bulletin involves inspecting and if required updating the radio software to:28.3 - 2018 34.21 - 2019 and 2020 Customers may experience one or more of the following:Intermittently, the radio screen will black out after key is turned on.(For 34.21 Only) Navigation screen freezes after a Voice Recognition (VR) command. Warning chime will not turn off. Radiodisplay black, except application bar. Language setting reverting from customer set language to Italian language. Message displayed ?TomTom® live services unavailable?. Frequent pop-ups during startup saying device not connected - Uconnect LIVE. Uconnect Live feature may not function properly. Radio may reset, turn off and then back on. Audio distortion heard during phone calls and CarPlay®. In addition the following enhancements are included:Bluetooth® improvements. VR improvements. Russian language enhancements.
684272020-10-26. Service bulletin. STEERING. D-20-12 Service Bulletin 08-074-20 - Jeep Wrangler (JL) and Jeep Gladiator (JT) - Improved Steering Feel
S1921000007 Rev.2020-10-26. Service bulletin. ENGINE AND ENGINE COOLING. (Revision A) Engine Restarting On Stop/Start Event Without Releasing The Brake Pedal, EVIC Displays Shift To P Then Desired Gear, D on PRNDL Flashing
S1923000018 Rev.2020-10-26. Service bulletin. VISIBILITY:SUN/MOON ROOF ASSEMBLY. (Revision A) Water Leak From Front Or Rear Of Sky Slider Open Top
S1821000006 Rev.2020-10-26. Service bulletin. TIRES. (Revision A) Oversized Tire Calibration For Customized Jeep Wrangler, Gladiator, 2019 Ram Heavy Duty DJ, MVP Update Required, MVP Hotline
S1908000048 Rev.2020-10-26. Service bulletin. EQUIPMENT; EQUIPMENT:ELECTRICAL; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. (Revision A) Chime Stuck On In The Audio System
S20080001412020-10-26. Service bulletin. EQUIPMENT; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). Navigation Shows Incorrect Location
S20180000102020-10-26. Service bulletin. ELECTRICAL SYSTEM. Malfunction Indicator Lamp (MIL) Illuminated, Diagnostic Trouble Code (DTC) P2C90 - Crankcase Ventilation System - Hose "A" Disconnected or P04FC -Crankcase Ventilation Performance
S20080001362020-10-26. Service bulletin. AIR BAGS; ELECTRICAL SYSTEM. Passenger Air Bag Disable Lamp On Flashing When PADL Switch Is Connected
08-077-202020-09-28. Service bulletin. EQUIPMENT; STEERING. Additional Repair Steps After the Steering Gear or Pump was Replaced This bulletin has been canceled. When performing repairs on the steering gear or Electric Hydraulic Power Steering (EHPS) pump, follow published service manual procedures in DealerCONNECT/Service Library.
08-003-20 REV. E2020-09-28. Service bulletin. FORWARD COLLISION AVOIDANCE; EQUIPMENT; ELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY. Flash: Driver Assistance System Module (DASM) Enhancements This bulletin involves reprogramming the DASM with the latest software available. The customer may describe the following:Instrument Panel Cluster (IPC) warnings for the Forward Collision Warning (FCW) informing the driver to apply the brakes. The following software enhancements are also available:Allows customers to turn off the FCW indefinitely, rather than resetting to ?ON? at each key cycle(Japan and South Korea only). System improvements to enhance the FCW system hazard detection which may reduce nuisance actions and warnings from incorrectly identified structures and hazards, which can in rare circumstances cause an unwarranted brake event.
08-003-20 REV. D2020-09-28. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM; FORWARD COLLISION AVOIDANCE. Flash: Driver Assistance System Module (DASM) Enhancements This bulletin involves reprogramming the DASM with the latest software available. The customer may describe the following:Instrument Panel Cluster (IPC) warnings for the Forward Collision Warning (FCW) informing the driver to apply the brakes. The following software enhancements are also available:Allows customers to turn off the FCW indefinitely, rather than resetting to ?ON? at each key cycle(Japan and South Korea only). System improvements to enhance the FCW system hazard detection which may reduce nuisance actions and warnings from incorrectly identified structures and hazards, which can in rare circumstances cause an unwarranted brake event.
08-003-20 REV. C2020-09-28. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM; FORWARD COLLISION AVOIDANCE. Flash: Driver Assistance System Module (DASM) Enhancements This bulletin involves reprogramming the DASM with the latest software available. The customer may describe the following:Instrument Panel Cluster (IPC) warnings for the Forward Collision Warning (FCW) informing the driver to apply the brakes. The following software enhancements are also available:Allows customers to turn off the FCW indefinitely, rather than resetting to ?ON? at each key cycle(South Korea only). System improvements to enhance the FCW system hazard detection which may reduce nuisance actions and warnings from incorrectly identified structures and hazards, which can in rare circumstances cause an unwarranted brake event.
08-003-20 REV. B2020-09-28. Service bulletin. FORWARD COLLISION AVOIDANCE; ELECTRICAL SYSTEM; SERVICE BRAKES. Flash: Driver Assistance System Module (DASM) Enhancements This bulletin involves reprogramming the DASM with the latest software available. The customer may describe the following: Instrument Panel Cluster (IPC) warnings for the Forward Collision Warning (FCW) informing the driver to apply the brakes. The following software enhancements are also available:Allows customers to turn off the FCW indefinitely, rather than resetting to ?ON? at each key cycle(South Korea only). System improvements to enhance the FCW system hazard detection which may reduce nuisance actions and warnings from incorrectly identified structures and hazards, which can in rare circumstances cause an unwarranted brake event.
08-074-202020-09-28. Service bulletin. STEERING; POWER TRAIN. Improved Steering Feel This bulletin involves replacing the steering gear and updating the Electric Hydraulic Power Steering (EHPS) software, if required. The customer may describe one or more of the following:Steering wander. Vehicle has a lead/pull to the right or left.The lead/pull will be more noticeable in hot ambient temperatures. Steering feels like it has excess play.This service bulletin repair will NOT correct a sustain steering shake, shimmy or vibration. If this repair is performed on a vehicle with those symptoms, that will cause a dissatisfied customer and a repeat visit to the dealer.
S20080001302020-09-28. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. Radio UConnect GPS Based Trip Computer Missing
S1908000046 Rev.2020-09-28. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. (Revision A) Audio Cuts Out In Two Second Intervals On Any Mode Or No Audio On Any Mode

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