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Service bulletins for the 2020 Jeep Gladiator

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.

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

By type

By component

By trouble code

Bulletins, newest first
S1924000008RevA2022-09-26. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. Front Defrost Only Clears Part Of The Windshield
S1908000092ReVA2022-09-26. Service bulletin. BACK OVER PREVENTION; ELECTRICAL SYSTEM. Reverse Camera System Unavailable And Blue Screen Showing On Radio Display
S21240000042022-09-26. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. A/C does not cool and vehicle is low on Freon charge but no leak is found with sniffer or black light anywhere in the system
S2003000001ReVD2022-09-26. Service bulletin. POWER TRAIN. Noise From Front Axle Area Over Bumps
S1821000005RevA2022-09-26. Service bulletin. EQUIPMENT; TIRES. Required Updates When Changing Tire Sizes, Installing Mopar Lift Kits With Larger Tires, Manual Transmission Vehicles Setting DTC P08A6
S21230000152022-09-26. Service bulletin. BACK OVER PREVENTION; VEHICLE SPEED CONTROL. Creak Tick Pop Noise From Door Or Doors
90040172022-09-26. Service bulletin. BACK OVER PREVENTION; VISIBILITY:REARVIEW MIRRORS/DEVICES. CAMERA, Rear View For concerns of back up camera flicker/blank/blue/black screen or camera inop, please ensure Radio is at latest software level. After update, system requires three sleep cycles to function properly. Please verify camera LVDS- Low-Voltage Differential Signaling cable connection at camera and radio head unit. Also verify harness connection between high mounted stop lamp and body harness for bent pins or loose connection at XY310A, XY485A inlines. Please create and send a copy of the vehicle scan report and specify radio SW version and radio head unit ID toFCA Redacted Content or call FCA Redacted Content for any additional questions or assistance needed. If no response in 15 minutes, proceed with repair. Please be sure to attach a copy of the Vehicle Scan Report on the repair order.
18048222022-09-26. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM; FUEL SYSTEM, GASOLINE. 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 one or more ofthe following DTCs: P0300 - Multiple Cylinder Misfire.If DTC P0300 is present either alone or along with other DTCs listed within thisbulletin the right intake camshaft MUST be replaced along with this software update (only if DTC P0300 is present). Refer to the detailedservice procedures available in DealerConnect>Service Library under: Service Info>09 - Engine, 3.6L / Cylinder Head / Camshaft, Engine / Removal and Installation>Right. If just the software flash was done without the right intake camshaft being replacedthe DTC P0300 may reoccur.If DTC P0300 is not present but other DTCs on this list below are present, performjust the software update. P0441 - EVAP Purge System Performance. P258B - Electronic Vacuum Pump Performance. C1252-92 - Vacuum Pump Control Circuit - Performance Or Incorrect Operation. 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. P1404 - EGR Close Position Performance. P1206 - Fuel Pump Control Module Open Circuit To Fuel Pump. Upon diagnosing the vehicle the technician may find DTC P1206 set before flashing the vehicle, the correct DTC will nowbe P025A - Fuel Pump Module Control Circuit Open after the software update.In addition the customer may notice one or more of the following: The Anti-Lock Brake System (ABS) light illuminates. The customer may notice an ability to shift into 1st gear at an unsafespeed(MTX Only). Cluster displays "Autopark Engaged" even when autopark is no longer active.
S22080000852022-09-26. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. No Start, ABS Module Has No Communication, Stop/Start Inoperative
S22230000292022-09-26. Service bulletin. BACK OVER PREVENTION. Rattle Noise From Door
S22080000732022-09-26. Service bulletin. ELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM; UNKNOWN OR OTHER. No Start, After Flash And Or PCM Replace, DTC P0513 Invalid Skim Key Setting
S22080000752022-09-26. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; AIR BAGS. Check Engine Light Is On, No Start. DTC?s P00FD, P0562, P26F3
S17080001182022-09-26. Service bulletin. ELECTRICAL SYSTEM:WIRING:CONNECTORS/PLUGS:ACCESORY POWER OUTLET/JACK/PORT/USB/SAE/CIGARETTE LIGHTER; UNKNOWN OR OTHER. Battery Drain Concern, Dual USB Port Normal Operational Draw, Extended Illumination Or Extended Operation After Key Off
S22080000682022-09-26. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM:WIRING:CONNECTORS/PLUGS:ACCESORY POWER OUTLET/JACK/PORT/USB/SAE/CIGARETTE LIGHTER. ?Device Not Supported? Message on the radio screen
S21080000472022-09-26. Service bulletin. ELECTRICAL SYSTEM. Jeep Off Road Pages Missing Latitude And Longitude Coordinates
S21080000452022-09-26. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE. Favorite Song On-Air Alert List Empty
S21080000362022-09-26. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Drive Configuration Changed After A Recent Service Repair
S2019000005RevA2022-09-26. Service bulletin. STEERING; ELECTRICAL SYSTEM; POWER TRAIN; AIR BAGS. U0131 Lost Communication With Power Steering Control Module A DTC Active. EPS Light On.
S2119000001RevA2022-09-26. Service bulletin. BACK OVER PREVENTION; STEERING. Click Pop Creak Noise While Turning Steering Wheel
19002192022-09-15. Service bulletin. STEERING. Shimmy In The Steering Wheel After Hitting An Irregularity On The Road Surface This bulletin involves discussing an available video instructing the technicians on how to properly diagnosis and repair this issue.
18055192022-09-15. 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 one or more ofthe following DTCs.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. P1404 - EGR Close Position Performance. P1206 - Fuel Pump Control Module Open Circuit To Fuel Pump. Upon diagnosing the vehicle the technician may find DTC P1206 set before flashing the vehicle, the correct DTC will nowbe P025A - Fuel Pump Module Control Circuit Open after the software update.In addition the customer may notice one or more of the following:The customer may notice an ability to shift into 1st gear at an unsafespeed(MTX Only). Cluster displays "Autopark Engaged" even when autopark is no longer active.
18089192022-09-15. Service bulletin. ENGINE AND ENGINE COOLING. wiTECH Small Leak Verification Test (SLVT) - P0456-EVAP SYSTEM SMALL LEAK
VA52022-09-15. Service bulletin. EQUIPMENT. Customer Satisfaction Notification VA5 ? Spray-In Bedliner
90040662022-09-15. Service bulletin. ELECTRICAL SYSTEM. WIRING KIT, Enclosure (Mopar JL hard top conversion accessory kit) The HVAC control panel requires replacement when GTP sales code is present to restore rear defrost function. The switch is not provided in this kit and a service replacement part must be ordered. See service information procedure for switch replacement and below chart for replacement part numbers. vehicle has GTP+BNH+HAA replace HVAC control with pn 6BE36TRMAC vehicle has GTP+BNH-HAA replace HVAC control with pn 6BE37TRMAC vehicle has GTP+HAA-BNH replace HVAC control with pn 6BE40TRMAC vehicle has GTP-HAA-BNH replace HVAC control with pn 6BE41TRMAC Please ensure that the proper color code is used in place of the part TRM designation. For any questions call John Altsman at (248) 512-9361.
90041752022-09-15. Service bulletin. PARKING BRAKE; VEHICLE SPEED CONTROL; TRAILER HITCHES; SEATS. LATCH, Folding Top For a concern of a loose latch in the closed position, it is not necessary to replace the latch unless broken. Refer to instructions in service library. The position of the receiver attached to the vehicle header can be adjusted to change the ammount of force required to latch.

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