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.

• 10178652Jul 15, 2020Electrical system, Equipment. No Start, High Current Fuse Array (HCFA) Location And Testing
• 10229290Jul 10, 2020Seats. Front Seat Lift Handle Binding
• 10221720Jul 10, 2020Seats. Front Seat Lift Handle Binding
• 10178647Jul 10, 2020Seats, Equipment. Front Seat Lift Handle Binding
• 10229285Jul 3, 2020Equipment. Apple Carplay Inoperative Or Not Working, Phone Not Pairing, Carplay Lockup, Freeze or Audio Concerns
• 10221715Jul 3, 2020Equipment. Apple Carplay Inoperative Or Not Working, Phone Not Pairing, Carplay Lockup, Freeze or Audio Concerns
• 10178642Jul 3, 2020Equipment, Electrical system. Apple Carplay Inoperative Or Not Working, Phone Not Pairing, Carplay Lockup, Freeze or Audio Concerns
• 10223559Jun 30, 2020Lane departure. Blind Spot Or Park Assist Warnings, False Activation
• 10177504Jun 30, 2020Electrical system. Blind Spot Or Park Assist Warnings, False Activation
• 10223556Jun 25, 2020Electrical system. No Start, Start Stop Inoperative, Cluster Messages to Service Shifter or Service Start Stop System
• 10177501Jun 25, 2020Transmission and drivetrain. No Start, Start Stop Inoperative, Cluster Messages to Service Shifter or Service Start Stop System
• 10223594Jun 24, 2020Engine 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.
• 10223555Jun 24, 2020Electrical system. Cluster Temperature Display Flashes Up 800 Degree Temperature Intermittently Upon Start Up
• 10177539Jun 24, 2020Engine 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.
• 10177500Jun 24, 2020Equipment. Cluster Temperature Display Flashes Up 800 Degree Temperature Intermittently Upon Start Up
• 10223588Jun 19, 2020Transmission and drivetrain. 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:P2C90 - Crankcase Ventilation System - Hose "A" Disconnected(APAC, EMEA and LATAM Only). P04FC - Crankcase…
• 10177533Jun 19, 2020Electrical system, Engine cooling, Transmission and drivetrain. 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:P2C90 - Crankcase Ventilation System - Hose "A" Disconnected(APAC, EMEA and LATAM Only). P04FC - Crankcase…
• 10223547Jun 17, 2020Equipment. Volume Uncontrollable Or Stuck On High
• 10177492Jun 17, 2020Steering. Volume Uncontrollable Or Stuck On High
• 10223584Jun 13, 2020Electrical system. Flash: Security Gateway Module (SGW) Enhancements This bulletin involves reprogramming the SGW with the latest available software. The SGW in these vehicles was flashed with a calibration intended to be paired with a different software version.No symptoms will be observable to the customer. Diagnostic services will still work correctly (e.g. vehicle scan, DTC read, etc.). However, the vehicle security firewalls…
• 10223540Jun 10, 2020Equipment. Cluster Service 4WD Light On
• 10223537Jun 10, 2020Equipment. Audio Mute On All Sources Except AM
• 10177485Jun 10, 2020Electrical system. Cluster Service 4WD Light On
• 10177482Jun 10, 2020Electrical system. Audio Mute On All Sources Except AM
• 10223534Jun 8, 2020Visibility (wipers, defrost, mirrors). Hard top quarter window cracked
• 10177479Jun 8, 2020Visibility (wipers, defrost, mirrors). Hard top quarter window cracked
• 10223535Jun 6, 2020Equipment. Travellink Fuel Prices Are Incorrect
• 10223530Jun 6, 2020Tires. Oversized Tire Calibration For Customized Jeep Wrangler, Gladiator, 2019 Ram Heavy Duty DJ, MVP Update Required, MVP Hotline
• 10177480Jun 6, 2020Equipment. Travellink Fuel Prices Are Incorrect
• 10177475Jun 6, 2020Tires, Electrical system. Oversized Tire Calibration For Customized Jeep Wrangler, Gladiator, 2019 Ram Heavy Duty DJ, MVP Update Required, MVP Hotline
• 10223532Jun 5, 2020Transmission and drivetrain. Service 4wd Light On, Message AWD System Service Required
• 10177511Jun 3, 2020Transmission and drivetrain, Equipment. Safety Recall W12 JL/JT Clutch Update to Dealer Instructions for Parts Ordering
• 10177471Jun 3, 2020Equipment. VP2R Radio Clock Not Keeping Time
• 10223525Jun 1, 2020Electrical system. Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Codes P0407 ? EGR Sensor B Circuit Low, or P0408 ? EGR Sensor B Circuit High Set
• 10176546May 28, 2020Equipment, Engine. Customer complaint may include an overfilled engine crankcase after an oil change.
• 10176543May 28, 2020Tires. Oversized Tire Calibration For Customized Jeep Wrangler And Galdiator, 2019 Ram Heavy Duty DJ, MVP Update Required, MVP Hotline
• 10176542May 28, 2020Transmission and drivetrain, Equipment, Tires. Required Updates When Changing Tire Sizes, Installing Mopar Lift Kits With Larger Tires, Manual Transmission Vehicles Setting DTC P08A6
• 10176588May 27, 2020Engine cooling, Equipment. 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.
• 10176540May 22, 2020Equipment, Electrical system. VP4 Panasonic Radio USB Software Update Error Codes And Guidelines For Recovery
• 10176532May 13, 2020Equipment, Electrical system. Chime Stuck On In The Audio System
• 10176527May 9, 2020Electrical system. Stop Start Inoperative, Auxiliary Battery Low Requires Charging, No Start
• 10176515May 5, 2020Electrical system, Latches, locks and linkages, Equipment. Blind Spot Alert Temporarily Unavailable Is Displayed On The EVIC. Power Mirrors And/Or Power Door Locks Do Not Function
• 10176514May 2, 2020Equipment. Remote Phone App Does Not Communicate With Vehicle Radio
• 10176564May 1, 2020Visibility (wipers, defrost, mirrors). Rear Window Defroster Inoperable This bulletin involves inspecting and possibly repairing the terminal of the rear defroster circuit. Customers may comment on one or more of the following:Rear window defroster is inoperable. Wire(s) hanging from the defroster back glass.
• 10175743Apr 30, 2020Body and structure, Equipment. Disinfectant Solution Recommended for COVID-19
• 10175698Apr 30, 2020Electrical system. CEL (Check Engine Lamp) Illuminates, Recent PCM Replace Or Flash Update Performed, DTC P057B Brake Pedal Position Sensor Circuit Performance
• 10175694Apr 30, 2020Seats. Squeak Noise From Rear Seat
• 10175689Apr 28, 2020Equipment. Radio Issues With iPhone 11
• 10175688Apr 28, 2020Equipment. Error Code 20 Message On the Radio Screen
• 10175735Apr 22, 2020Electrical system, Equipment. Charging System, Battery Diagnostic Tools and Warranty This information only bulletin discusses using the correct test equipment for testing batteries and charging systems, and also warranty reimbursement when battery replacements are necessary.

← All problems reported for the 2018 Jeep Wrangler