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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

Only bulletins with component: Air bags are shown. Show all

Bulletins, newest first
1092242025-12-23. Service bulletin. AIR BAGS; STRUCTURE:BODY. DOOR - PASSENGER AIR BAG
08079212023-01-17. Service bulletin. AIR BAGS; ELECTRICAL SYSTEM; LANE DEPARTURE; BACK OVER PREVENTION; FORWARD COLLISION AVOIDANCE; SERVICE BRAKES, HYDRAULIC. Flash: Driver Assistance System Module (DASM) Enhancements This bulletin involves reprogramming the DASM with the latest software available. The customer may describe one or more of the following:Instrument Panel Cluster (IPC) warnings for the Forward Collision Warning (FCW) informing the driver to apply the brakes. Brakes may intermittently apply unexpectedly together with IPC warnings. 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.
18053202023-01-09. Service bulletin. POWER TRAIN; EXTERIOR LIGHTING; AIR BAGS; FUEL SYSTEM, GASOLINE; ELECTRICAL SYSTEM. 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. 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 now be P025A - Fuel Pump Module Control Circuit Open after the softwareupdate.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.
18048222023-01-09. Service bulletin. AIR BAGS; ELECTRICAL SYSTEM; FUEL SYSTEM, GASOLINE; EXTERIOR LIGHTING; SEATS. 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.
S2019000005RevB2022-12-19. Service bulletin. ELECTRICAL SYSTEM; STEERING:ELECTRIC POWER ASSIST SYSTEM; POWER TRAIN; STEERING:STEERING CONTROL MODULE; AIR BAGS; STEERING. U0131 Lost Communication With Power Steering Control Module A DTC Active Or Stored. EPS Light On.
S20080001582022-10-17. Service bulletin. AIR BAGS; EQUIPMENT:ELECTRICAL. Check Engine Light (CEL), No Crank, Cluster Shows Not In Park (Vehicle Still Able To Obtain Park) Due To Terminal Push Out (TPO) Of The XY230A Inline Connector
18048222022-10-17. Service bulletin. AIR BAGS; FUEL SYSTEM, GASOLINE; ELECTRICAL SYSTEM; SEATS; EXTERIOR LIGHTING. 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.
S22080000752022-10-17. Service bulletin. AIR BAGS. Check Engine Light Is On, No Start. DTC?s P00FD, P0562, P26F3
18053202022-09-26. Service bulletin. EXTERIOR LIGHTING; FUEL SYSTEM, GASOLINE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); AIR BAGS; ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:SOFTWARE. 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. 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 now be P025A - Fuel Pump Module Control Circuit Open after the softwareupdate.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.
S22080000752022-09-26. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; AIR BAGS. Check Engine Light Is On, No Start. DTC?s P00FD, P0562, P26F3
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.
S21080000232022-07-18. Service bulletin. AIR BAGS; BACK OVER PREVENTION. Blind Spot Sensor Light Operate Sporadically And Indicates False Detection Without Any DTC
S20080001362020-10-26. Service bulletin. AIR BAGS; ELECTRICAL SYSTEM. Passenger Air Bag Disable Lamp On Flashing When PADL Switch Is Connected
S20250000022020-04-27. Service bulletin. ELECTRICAL SYSTEM; AIR BAGS. Customer complaint includes check engine/MIL light on. Upon further inspection, fault codes will be found in the powertrain control module (PCM) for P0441, P0443 or P0449. Fault codes may be either active or stored.

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