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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: Electrical system are shown. Show all

Bulletins, newest first
S22080000852022-10-17. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. No Start, ABS Module Has No Communication, Stop/Start Inoperative
1805320REVA2022-09-26. Service bulletin. POWER TRAIN; 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 of the 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 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 unsafe speed(MTX Only). Cluster displays "Autopark Engaged" even when autopark is no longer active.
S20080001132022-09-26. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM:IGNITION. No Start Intermittently, Vehicle Requires Multiple Keyless Push To Start Attempts To Start Vehicle
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.
S20080001032022-09-26. Service bulletin. ELECTRICAL SYSTEM. No Start, High Current Fuse Array (HCFA) Location And Testing
S21080001722022-09-26. Service bulletin. ELECTRICAL SYSTEM; VEHICLE SPEED CONTROL. Stop Start Feature Is Inoperative, MIL Lamp On, Hood Switch DTC?s
S21080001632022-09-26. Service bulletin. ELECTRICAL SYSTEM. No Start, Cannot Complete Module Replace, Proxi Or Module Proxi Configuration
S21080001532022-09-26. Service bulletin. ELECTRICAL SYSTEM; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. Stop Start Inoperative, Cluster Message To Service Stop Start, AC Inoperative
90043862022-09-26. Service bulletin. ELECTRICAL SYSTEM:WIRING. WIRING, Body Before replacing this harness, please contact FCA Redacted Content to see if a repair kit is available for your application. If no response in 15 minutes, proceed with repair. Please email pictures of harness defects to FCA Redacted Content
08055212022-09-26. Service bulletin. ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER. Key FOBIK Shortage and Restriction This bulletin is to inform customers, technicians and sales staff that vehicles are being delivered with only one key FOBIK due to a temporary semi conductor shortage. The customer may notice that they only have one key FOBIK when the vehicle was delivered or need an additional key FOBIK due to a lost or damaged keyFOBIK.Key FOBIKs to service customer vehicles are limited to customer vehicles which are inoperable and a spare FOBIK is not available.
S21080000982022-09-26. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Radio Screen Freeze, Blank Screen And Reset
S17080001182022-09-26. Service bulletin. ELECTRICAL SYSTEM. Battery Drain Concern, Dual USB Port Normal Operational Draw, Extended Illumination After Key Off
S20080001132022-09-26. Service bulletin. ELECTRICAL SYSTEM. No Start Intermittently, Vehicle Requires Multiple Keyless Push To Start Attempts To Start Vehicle, Intermittent Key Not Detected Message
S16080002262022-09-26. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Battery Tester Warranty Code Procedures, Midtronics Charger Update Process
S160800022612022-09-26. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Battery Tester Warranty Code Procedures, Medtronic Update Process
S21080000932022-09-26. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Apple CarPlay Does Not Work Or Not Connecting
90043072022-09-26. Service bulletin. ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER. TRANSMITTER, Integrated Key FOB Due to a global semiconductor shortage, service availability of this part is limited. To maintain production and service requirements, FOBIKs affected by the shortage will be available on an ?as required basis?. This FOBIK should only be ordered in the event the vehicle is inoperable, and there are no other FOBIKs available. It is requested the customer uses their spare FOBIK until supply is once again available. On some 2021 vehicles, they will be sold with only one FOBIK, and will have sales code ?GXZ?. For these vehicles a CSN (Customer Satisfaction Notification) will be released to replace the FOBIK once supply is available. A unique part number will be used for this campaign. For these vehicles, only order a replacement FOBIK in a vehicle down situation. Due to the global shortage, once service inventory of this part is depleted, there may not be any additional parts available for service for an extended period of time. This may cause customer dissatisfaction and extended vehicle down time. We appreciate everyone?s consideration and cooperation to only order this part in a vehicle down situation.
18024212022-09-26. 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 of the following Diagnostic Trouble Codes (DTCs).P0300 - Multiple Cylinder Misfire.If DTC P0300 is present either alone or along with other DTCs listed within this bulletin 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 replaced the DTC P0300 may reoccur.If DTC P0300 is not present but other DTCs on this list below are present, perform just the software update. 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 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 unsafe speed(MTX Only). Cluster displays "Autopark Engaged" even when autopark is no longer active.
08030212022-09-26. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. Flash: Drivetrain Control Module (DTCM) Updates This bulletin involves reprogramming the DTCM with the latest available software. The customer may request to have the feature enabled which adds the ability to lock the rear axle differential, while 4-HI Off Road+ mode.
S1908000092ReVA2022-09-26. Service bulletin. BACK OVER PREVENTION; ELECTRICAL SYSTEM. Reverse Camera System Unavailable And Blue Screen Showing On Radio Display
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
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

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