2021 Jeep Gladiator Technical Service Bulletins

700 technical service bulletins (TSBs) are on record for the 2021 Jeep Gladiator. 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.

• 10223178Mar 11, 2022Fuel system, Suspension. 3.0L Diesel Harsh Ride This bulletin involves replacing both the front and rear shocks and front jouncebumpers. Customers may comment on one or more of the following: A harsh ride when hitting pot holes. A loud noise in the front suspension when hitting pot holes.This condition would not be noticed during normal, smooth road, driving conditions.
• 10223176Mar 11, 2022Equipment. Missing front license plate bracket This bulletin involves installing a missing front license plate bracket. Customer may comment on the following: Front licence plate bracket missing.
• 10220796Mar 11, 2022Fuel system, Back-over prevention (rear camera), Suspension, Electronic…. 3.0L Diesel Harsh Ride This bulletin involves replacing both the front and rear shocks and front jouncebumpers. Customers may comment on one or more of the following: A harsh ride when hitting pot holes. A loud noise in the front suspension when hitting pot holes.This condition would not be noticed during normal, smooth road, driving conditions.
• 10220794Mar 11, 2022Equipment. Missing front license plate bracket This bulletin involves installing a missing front license plate bracket. Customer may comment on the following: Front licence plate bracket missing.
• 10212399Mar 11, 2022Equipment, Suspension. 3.0L Diesel Harsh Ride This bulletin involves replacing both the front and rear shocks and front jouncebumpers. Customers may comment on one or more of the following: A harsh ride when hitting pot holes. A loud noise in the front suspension when hitting pot holes.This condition would not be noticed during normal, smooth road, driving conditions.
• 10212397Mar 11, 2022Body and structure. Missing front license plate bracket This bulletin involves installing a missing front license plate bracket. Customer may comment on the following: Front licence plate bracket missing.
• 10229041Mar 9, 2022Electrical system. Battery Drain Concern, Dual USB Port Normal Operational Draw, Extended Illumination Or Extended Operation After Key Off
• 10229038Mar 9, 2022Electrical system, Equipment. ?Device Not Supported? Message on the radio screen
• 10223079Mar 9, 2022Equipment. Battery Drain Concern, Dual USB Port Normal Operational Draw, Extended Illumination Or Extended Operation After Key Off
• 10223076Mar 9, 2022Equipment. ?Device Not Supported? Message on the radio screen
• 10220697Mar 9, 2022Electrical system, Other or unknown. Battery Drain Concern, Dual USB Port Normal Operational Draw, Extended Illumination Or Extended Operation After Key Off
• 10220694Mar 9, 2022Other or unknown, Electrical system. ?Device Not Supported? Message on the radio screen
• 10212300Mar 9, 2022Electrical system. Battery Drain Concern, Dual USB Port Normal Operational Draw, Extended Illumination Or Extended Operation After Key Off
• 10212297Mar 9, 2022Equipment, Electrical system. ?Device Not Supported? Message on the radio screen
• 10229103Mar 8, 2022Engine cooling, Fuel system. Emissions Recall Y81 Diesel Exhaust Fluid Inducement
• 10223141Mar 8, 2022Fuel system. Emissions Recall Y81 Diesel Exhaust Fluid Inducement
• 10220759Mar 8, 2022Fuel system. Emissions Recall Y81 Diesel Exhaust Fluid Inducement
• 10212362Mar 8, 2022Engine cooling, Fuel system. Emissions Recall Y81 Diesel Exhaust Fluid Inducement
• 10212350Mar 3, 2022Equipment. Warranty Operations Newsletter Volume 8, Issue 2
• 10222883Jan 19, 2022Wheels, Back-over prevention (rear camera). AXLE, Service Rear A new parts kit (SENSOR KIT, Axle: 68544629AA) is available to repair the Axle Locker Sensor on the 2018 - 2022 JL/JT equipped with the M210 and M220 Tru-Lok axles (DSE). This new parts kit must be used when only the Axle Locker Sensor fails.
• 10223008Jan 5, 2022Electrical system. Powertrain Control Module (PCM) Updates
• 10224603Jan 1, 2022Equipment. Customer Satisfaction Notification.
• 10222965Jan 1, 2022Equipment. Customer Satisfaction Notification Y96 Mojave Black Hood Decal
• 10222962Jan 1, 2022Engine cooling. Emissions Recall Y75 Instrument Panel Cluster Software
• 10222930Jan 1, 2022Exterior lighting. Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Code (DTC) P0403 ? EGR Control Circuit Open, Set.
• 10222903Jan 1, 2022Equipment. AC does not blow cold
• 10204344Nov 19, 2021Back-over prevention (rear camera), Vehicle speed control, Body and structure. Wind Noise And Or Water Leak From Door Seal Area
• 10204302Nov 17, 2021Engine cooling. COVER, Engine 2021 JL / JT Engine Cover Removal - Dealer notification for removal of cover. Please note that the Aesthetic Engine Cover (05281562AC) has been removed on ALL JL/JT 3.6L Vehicle Configurations. Please note that a lack of engine cover matches engineering release. The engine cover will no longer be included on any 3.6L models of the JL/JT.
• 10204330Nov 12, 2021Engine cooling. Issue is engine cover not installed from the factory.
• 10204371Nov 3, 2021Brakes, Wheels. Rear Caliper Adapter Bolts Are Loose Or Missing This bulletin includes replacing all four rear caliper adapter bolts if loose or missing. Customers may comment on one or more of the following:Click or clunk from the rear of the vehicle. A missing or loose rear brake caliper adapter boltFig. 1.Missing And Loose Caliper Adapter Bolts
• 10219989Aug 31, 2021Fuel system. Diesel Fuel Injector Cleaning Procedure
• 10218546Aug 31, 2021Visibility (wipers, defrost, mirrors). Customer Satisfaction Notification Y53 Sunbonnet Top
• 10218528Aug 31, 2021Engine cooling, Fuel system. Diesel Fuel Injector Cleaning Procedure
• 10219982Aug 25, 2021Equipment. Radio Lockup In The Software Installation Screen After Accepting FOTA Update (Incorrect "S2008000204" indicated on published document)
• 10218521Aug 25, 2021Equipment. Radio Lockup In The Software Installation Screen After Accepting FOTA Update (Incorrect "S2008000204" indicated on published document)
• 10219976Aug 24, 2021Engine. 3.0L Ecodiesel Engine Oil Information
• 10218515Aug 24, 2021Engine cooling. 3.0L Ecodiesel Engine Oil Information
• 10218584Aug 20, 2021Engine cooling. Pentastar Upgrade Oil Fill Level after an Oil Change This bulletin involves rechecking the oil fill level after filling the engine to the correct specifications. The customer may describe that after an oil change they check their oil fill level and it is showing overfilled on the oil dipstick.
• 10218507Aug 18, 2021Equipment. Media Device Connection Guidelines For Bluetooth, Apple CarPlay, Android Auto Or USB To The Radio Head Unit
• 10218579Aug 14, 2021Electrical system, Equipment. UAQ UCQ UAV, UCX, UAX and UCV Radio Over The Air Software Version Updates This bulletin provides information regarding the latest Flash Over The Air (FOTA) update and provides the service technician an overview of the steps a customer will need to take to complete the update. Once the FOTA has been completed, the software level will be 39.6.Review the table below to determine when the FOTA is due to be release. The…
• 10219953Aug 12, 2021Back-over prevention (rear camera). Customer?s complaint may include a MIL-on with one or more of the following DTCs (Active, Pending, or Stored) in the PCM: P0133, P0137, P0171, P0300, P2096. The root cause could be due to oil leaking from Bank 1 valve cover seal on to the 1/2 (Bank 1 downstream) O2 sensor. This can adversely affect the 1/2 O2 sensor signal reading and lead to listed DTCs. Before performing normal diagnostic routines for the above…
• 10218493Aug 12, 2021Engine cooling. Customer?s complaint may include a MIL-on with one or more of the following DTCs (Active, Pending, or Stored) in the PCM: P0133, P0137, P0171, P0300, P2096. The root cause could be due to oil leaking from Bank 1 valve cover seal on to the 1/2 (Bank 1 downstream) O2 sensor. This can adversely affect the 1/2 O2 sensor signal reading and lead to listed DTCs. Before performing normal diagnostic routines for the above…
• 10218559Aug 6, 2021Equipment, Electrical system. UAQ and UCQ Radio Enhancements This bulletin involves inspecting and if required, updating the radio software level to: 39.6.The repair procedure must be followed step by step. If the radio is not updated with the correct software level at the correct time the radio can be damaged. If the radio was damaged by not following the repairprocedure the radio may need to be replaced. Customers may experience one or more…
• 10219994Aug 1, 2021Body and structure. The mesh and solid sunbonnet tops listed on the Monroney label on about 1,229 of the above vehicles were inadvertently swapped during vehicle build. Therefore, a customer ordering a solid sunbonnet top received a mesh sunbonnet top, and vice versa. This can lead to customer dissatisfaction.
• 10230236Jul 31, 2021Transmission and drivetrain. Media Hub And Or Wireless Charging Pad Is Inoperative
• 10221650Jul 31, 2021Electrical system. Media Hub And Or Wireless Charging Pad Is Inoperative
• 10230217Jul 27, 2021Electrical system. Diagnostic Trouble Code (DTC) P049B ? EGR B Insufficient Flow Detected, Additional Diagnostics.
• 10221631Jul 27, 2021Electrical system. Diagnostic Trouble Code (DTC) P049B ? EGR B Insufficient Flow Detected, Additional Diagnostics.
• 10230205Jul 21, 2021Electrical system, Vehicle speed control. Stop Start Feature Is Inoperative, MIL Lamp On, Hood Switch DTC?s
• 10221619Jul 21, 2021Electrical system, Vehicle speed control. Stop Start Feature Is Inoperative, MIL Lamp On, Hood Switch DTC?s

← All problems reported for the 2021 Jeep Gladiator