2018 Jeep Wrangler Technical Service Bulletins

717 technical service bulletins (TSBs) are on record for the 2018 Jeep Wrangler. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 10223987Oct 27, 2020Body and structure. Aluminum Body Panel Corrosion Repair This bulletin involves inspecting and if necessary removing corrosion and refinishingthe suspect aluminum panels on the vehicle, hood, door, fenders, hinges, swing gates or liftgate panels.
• 10183098Oct 27, 2020Body and structure. Aluminum Body Panel Corrosion Repair This bulletin involves inspecting and if necessary removing corrosion and refinishingthe suspect aluminum panels on the vehicle, hood, door, fenders, hinges, swing gates or liftgate panels.
• 10223983Oct 23, 2020Transmission and drivetrain, 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…
• 10183094Oct 23, 2020Steering, Equipment, Electrical system. 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…
• 10223922Oct 16, 2020Electrical system. CEL (Check Engine Lamp) On, Intermittent Hard Starting, Rough Idle
• 10183033Oct 16, 2020Engine, Electrical system. CEL (Check Engine Lamp) On, Intermittent Hard Starting, Rough Idle
• 10223884Oct 14, 2020Steering. 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.
• 10182995Oct 14, 2020Steering, Electrical system. 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.
• 10223969Oct 13, 2020Back-over prevention (rear camera). 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.
• 10183080Oct 13, 2020Equipment, Electrical system. 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.
• 10223959Oct 7, 2020Back-over prevention (rear camera). UAQ 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.
• 10183070Oct 7, 2020Electrical system, Equipment. UAQ 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.
• 10223910Oct 3, 2020Equipment. Audio Cuts Out In Two Second Intervals On Any Mode Or No Audio On Any Mode
• 10183021Oct 3, 2020Equipment, Electrical system. Audio Cuts Out In Two Second Intervals On Any Mode Or No Audio On Any Mode
• 10181583Sep 29, 2020Engine 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
• 10181634Sep 26, 2020Steering. 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)…
• 10181578Sep 25, 2020Tires. (Revision A) Oversized Tire Calibration For Customized Jeep Wrangler, Gladiator, 2019 Ram Heavy Duty DJ, MVP Update Required, MVP Hotline
• 10181562Sep 17, 2020Equipment. (Revision A) Chime Stuck On In The Audio System
• 10181616Sep 16, 2020Steering. 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)…
• 10181585Sep 16, 2020Steering. D-20-12 Service Bulletin 08-074-20 - Jeep Wrangler (JL) and Jeep Gladiator (JT) - Improved Steering Feel
• 10181558Sep 15, 2020Equipment. Navigation Shows Incorrect Location
• 10181597Sep 4, 2020Equipment. 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…
• 10181540Sep 2, 2020Electrical system. Malfunction Indicator Lamp (MIL) Illuminated, Diagnostic Trouble Code (DTC) P2C90 - Crankcase Ventilation System - Hose "A" Disconnected or P04FC -Crankcase Ventilation Performance
• 10181537Sep 1, 2020Electrical system, Air bags. Passenger Air Bag Disable Lamp On Flashing When PADL Switch Is Connected
• 10221901Aug 29, 2020Steering. 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.
• 10180291Aug 29, 2020Steering, Equipment. 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.
• 10221843Aug 28, 2020Equipment. Radio UConnect GPS Based Trip Computer Missing
• 10180233Aug 28, 2020Equipment, Electrical system. Radio UConnect GPS Based Trip Computer Missing
• 10221830Aug 20, 2020Equipment. (Revision A) Audio Cuts Out In Two Second Intervals On Any Mode Or No Audio On Any Mode
• 10180220Aug 20, 2020Equipment, Electrical system. (Revision A) Audio Cuts Out In Two Second Intervals On Any Mode Or No Audio On Any Mode
• 10221787Aug 19, 2020Equipment. USB PORT, Media Hub For Android Auto and Apple Carplay issues, do not replace this part. Android Auto and Apple Carplay applications may not operate with the vehicle if an aftermarket cable is being used. Verify the functionality of these applications using an OEM Apple Lightning cable or an OEM provided USB cable for Android phones before performing any additional troubleshooting. For questions regarding Android…
• 10180177Aug 19, 2020Equipment. USB PORT, Media Hub For Android Auto and Apple Carplay issues, do not replace this part. Android Auto and Apple Carplay applications may not operate with the vehicle if an aftermarket cable is being used. Verify the functionality of these applications using an OEM Apple Lightning cable or an OEM provided USB cable for Android phones before performing any additional troubleshooting. For questions regarding Android…
• 10221868Aug 10, 2020Steering. 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…
• 10180258Aug 10, 2020Steering, Transmission and drivetrain. 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…
• 10221813Aug 1, 2020Other or unknown, Electrical system. No Start Intermittently, Vehicle Requires Multiple Keyless Push To Start Attempts To Start Vehicle
• 10180203Aug 1, 2020Engine, Electrical system. No Start Intermittently, Vehicle Requires Multiple Keyless Push To Start Attempts To Start Vehicle
• 10229304Jul 23, 2020Visibility (wipers, defrost, mirrors). Rear Wiper Will Not Turn On After Recent Hard Top Removal
• 10221734Jul 23, 2020Visibility (wipers, defrost, mirrors). Rear Wiper Will Not Turn On After Recent Hard Top Removal
• 10178661Jul 23, 2020Visibility (wipers, defrost, mirrors). Rear Wiper Will Not Turn On After Recent Hard Top Removal
• 10229255Jul 22, 2020Engine cooling, Transmission and drivetrain. Transmission Oil Pan, Heater (TMU), Tube or O-ring Applies to vehicles equipped with 8 speed transmissions only; if you have a leak that appears to be at the pan the use of proper leak detection is recommended. The fluid in the 8 speeds can be detected with a black light and there are aftermarket spray on leak detection materials to help ensure that the leak is properly diagnosed and not from another location such…
• 10221685Jul 22, 2020Engine cooling, Seats, Transmission and drivetrain, Air bags, Back-over…. Transmission Oil Pan, Heater (TMU), Tube or O-ring Applies to vehicles equipped with 8 speed transmissions only; if you have a leak that appears to be at the pan the use of proper leak detection is recommended. The fluid in the 8 speeds can be detected with a black light and there are aftermarket spray on leak detection materials to help ensure that the leak is properly diagnosed and not from another location such…
• 10178612Jul 22, 2020Equipment, Transmission and drivetrain. Transmission Oil Pan, Heater (TMU), Tube or O-ring Applies to vehicles equipped with 8 speed transmissions only; if you have a leak that appears to be at the pan the use of proper leak detection is recommended. The fluid in the 8 speeds can be detected with a black light and there are aftermarket spray on leak detection materials to help ensure that the leak is properly diagnosed and not from another location such…
• 10229300Jul 17, 2020Vehicle speed control, Visibility (wipers, defrost, mirrors), Lane departure. Power Mirrors And Door Locks Do Not Function. Blind Spot Alert Temporarily Unavailable Is Displayed On The EVIC
• 10221730Jul 17, 2020Visibility (wipers, defrost, mirrors), Back-over prevention (rear camera). Power Mirrors And Door Locks Do Not Function. Blind Spot Alert Temporarily Unavailable Is Displayed On The EVIC
• 10178657Jul 17, 2020Lane departure, Visibility (wipers, defrost, mirrors). Power Mirrors And Door Locks Do Not Function. Blind Spot Alert Temporarily Unavailable Is Displayed On The EVIC
• 10229336Jul 16, 2020Electrical system, Back-over prevention (rear camera), Fuel system, Exterior…. 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 ofthe following DTCs: P04FC - Crankcase Ventilation System Performance. P0456 EVAP System Small Leak.If DTC P0456 is present use the wiTECH Small Leak…
• 10221766Jul 16, 2020Transmission and drivetrain. 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 ofthe following DTCs: P04FC - Crankcase Ventilation System Performance. P0456 EVAP System Small Leak.If DTC P0456 is present use the wiTECH Small Leak…
• 10178693Jul 16, 2020Transmission and drivetrain. 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 ofthe following DTCs: P04FC - Crankcase Ventilation System Performance. P0456 EVAP System Small Leak.If DTC P0456 is present use the wiTECH Small Leak…
• 10229295Jul 15, 2020Electrical system. No Start, High Current Fuse Array (HCFA) Location And Testing
• 10221725Jul 15, 2020Electrical system. No Start, High Current Fuse Array (HCFA) Location And Testing

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