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Service bulletins for the 2021 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.

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

By type

By component

By trouble code

Bulletins, newest first
31001222023-01-09. Service bulletin. STRUCTURE. Approved Use of Weld Through Primers This bulletin documents the FCA US LLC position regarding the use of weld through primer when using Squeeze Type Resistance Spot Welding (STRSW) and Gas Metal Arc Welding (GMAW) processes when welding steel body panels and structural components.
1400522REVB2023-01-09. Service bulletin. FUEL SYSTEM, GASOLINE. Updated Fuel Filler Cap This bulletin involves updating the fuel filler cap with improved version. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that one or more of the following Diagnostic Trouble Codes (DTCs) have been set: P0455 - EVAP System Large Leak. P0456 - EVAP System Small Leak. P04EC - EVAP System Large Leak Detected - Fuel Tank Side. P04EE - EVAP System Very Small Leak Detected - Fuel Tank Side.
S22210000032023-01-09. Service bulletin. POWER TRAIN. 8-Speed Transmission, Additional Transmission Fluid Leak Inspection/Repair Guidelines.
S228A0000222023-01-09. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Connected Service Requires Service Message
S2008000103RevA2023-01-09. Service bulletin. ELECTRICAL SYSTEM. No Start, Stop Start Inoperative, Battery or Check Engine Light (CEL) Illuminated
S2108000165RevA2023-01-09. Service bulletin. ELECTRICAL SYSTEM. MIL Lamp Is On, Multiple Glow Plug DTC?s
S2025000006RevA2023-01-09. Service bulletin. ENGINE AND ENGINE COOLING. Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Code (DTC) P206D ? Reductant Quality Sensor Circuit High Set.
S228A0000172023-01-09. Service bulletin. ELECTRICAL SYSTEM. Battery Drain Suspected or "Identified" From USB or Media Hub
S22080001462023-01-09. Service bulletin. TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS. Flashing Tire Pressure Lamp After Radio Frequency Hub (RFHUB) Replacement
91000102023-01-09. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. Axle Assembly A parts kit (SENSOR KIT, Axle: 68544629A$) is available to repair the Axle Locker Sensor on JL/JT equipped with the M210 and M220 Tru-Lok axles (DSE). This parts kit must be used when only the Axle Locker Sensor fails. Do not replace the axle for sensor failure.
S18080002842023-01-09. Service bulletin. VEHICLE SPEED CONTROL; LANE DEPARTURE; VISIBILITY. Power Mirrors And Door Locks Do Not Function. Blind Spot Alert Temporarily Unavailable Is Displayed On The EVIC
S20080001032023-01-09. Service bulletin. ELECTRICAL SYSTEM. No Start, High Current Fuse Array (HCFA) Location And Testing
S20250000062023-01-09. Service bulletin. BACK OVER PREVENTION; EXTERIOR LIGHTING. Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Code (DTC) P206D ? Reductant Quality Sensor Circuit High Set.
0200322-12023-01-09. Service bulletin. FUEL SYSTEM, GASOLINE; BACK OVER PREVENTION; FUEL SYSTEM, DIESEL; SUSPENSION; ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC). 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.
18042222023-01-09. 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 the following DTC: P0300 - Multiple Cylinder Misfire. In addition, customers may experience the following concern: Spark knock/detonation sound from the engine at idle.
02003222023-01-09. Service bulletin. ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC); BACK OVER PREVENTION; FUEL SYSTEM, DIESEL; FUEL SYSTEM, GASOLINE; 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.
23011222023-01-09. Service bulletin. EQUIPMENT. 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.
Y812023-01-09. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; FUEL SYSTEM, DIESEL. Emissions Recall Y81 Diesel Exhaust Fluid Inducement
S22080000852023-01-09. Service bulletin. ELECTRICAL SYSTEM; SERVICE BRAKES, AIR:ANTILOCK:CONTROL UNIT/MODULE; ENGINE AND ENGINE COOLING. No Start, ABS Module Has No Communication, Stop/Start Inoperative
S22080000842023-01-09. Service bulletin. ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC). ESC (Electronic Stability Control) Lamp On, DTC C121C-00-TORQUE REQUEST SIGNAL DENIED
S21180000152023-01-09. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Code (DTC) P0403 ? EGR Control Circuit Open, Set.
S21080001372023-01-09. Service bulletin. ELECTRICAL SYSTEM:ADAS:BLINDSPOT:WARNING:LAMP. (CEL) Check Engine Lamp, (ABS) Anti-Lock Brake System, And (TCS) Traction Control System Lamps On
S22230000292023-01-09. Service bulletin. BACK OVER PREVENTION. Rattle Noise From Door
S22180000072023-01-09. Service bulletin. POWER TRAIN; ENGINE AND ENGINE COOLING. The customer?s complaint may include a MIL or check engine lamp-on condition. The customer may also complain of a lack of power (vehicle potentially in limp-mode). Upon further investigation, a fault code for P2100 - ELECTRONIC THROTTLE CONTROL MOTOR CIRCUIT along with other fault codes may be set in the PCM.
S22080000732023-01-09. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM). No Start, After Flash And Or PCM Replace, DTC P0513 Invalid Skim Key Setting

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