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Service bulletins for the 2020 Jeep Wrangler

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.

1020 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Only bulletins with component: Driver assistance are shown. Show all

Bulletins, newest first
S20080000972023-01-09. Service bulletin. ELECTRONIC STABILITY CONTROL (ESC); LANE DEPARTURE. ESC Cluster Warning Lamp On, DTC B1783-01 Stop Lamp Control Circuit General Failure
18049222023-01-09. Service bulletin. BACK OVER PREVENTION; EXTERIOR LIGHTING; 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 the following (DTC): P0441- EVAP Purge System Performance. The customer may comment on one or more of the following: Abnormal Engine noise heard periodically. This noise is caused by Variable Valve Timing (VVT) cleaning cycle. A misfire condition with no Malfunction Indicator Lamp (MIL) illuminationor Diagnostic Trouble Codes (DTCs) set. In addition, the following software enhancements are available: Updates to include misfire DTCs.
S22230000292023-01-09. Service bulletin. BACK OVER PREVENTION. Rattle Noise From Door
S22080001442022-10-31. Service bulletin. ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:SENSORS. Front Park Sensors Not Providing Warning After a Recent Service Repair
91000102022-10-31. Service bulletin. POWER TRAIN:AXLE ASSEMBLY; WHEELS; BACK OVER PREVENTION. 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.
S22080001442022-10-31. Service bulletin. ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:SENSORS. Front Park Sensors Not Providing Warning After a Recent Service Repair
S20250000012022-10-17. Service bulletin. EXTERIOR LIGHTING; BACK OVER PREVENTION. (Rev. B) Malfunction Indicator Lamp Illumination (MIL). Diagnostic Trouble Code (DTC) P203E ? Reductant Level Sensor 1 Circuit Intermittent-Erratic Set.
S20080000932022-10-17. Service bulletin. LANE DEPARTURE: BLIND SPOT DETECTION. Blind Spot Or Park Assist Warnings, False Activation
S20080000852022-10-17. Service bulletin. ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC). ABS, ESC Lamp On, Red Brake Lamp Flashing
18049212022-10-17. Service bulletin. SERVICE BRAKES, HYDRAULIC; ELECTRICAL SYSTEM:SOFTWARE; FUEL SYSTEM, GASOLINE; EXTERIOR LIGHTING; ELECTRICAL SYSTEM; BACK OVER PREVENTION. 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, a technician may find one or more of the following DTCs have been set: P225D-00 - Nox Sensor 1/1 Performance - Signal Stuck Low. P249C-00 - Excessive Time To Enter Closed Loop Reductant Injection Control. P065A - Generator System Performance. P00F4-00 - Humidity Sensor Circuit Low. P00AF-00 -Turbocharger Boost Control Module "A" Performance. P0106-00 - Manifold Absolute Pressure Sensor Performance. P20FB-00 - Reductant Pump 2 Control Performance. P200A-00 - Intake Manifold Runner Performance - Bank 1. P200B-00 - Intake Manifold Runner Performance - Bank 2. P2610 - PCM Internal Engine Off Timer Performance. P0087-00 - Fuel Rail Pressure Too Low (with rapid apply and release of accelerator pedal). P015E-00 - Excessive Time To Enter Closed Loop Fuel Timing Control. P01CB-00 - Cylinder 1 Injection Timing Performance - Over Retarded. P01CC-00 - Cylinder 1 Injection Timing Performance - Over Advanced. P01CD-00 - Cylinder 2 Injection Timing Performance - Over Retarded. P01CE-00 - Cylinder 2 Injection Timing Performance - Over Advanced. P01CF-00 - Cylinder 3 Injection Timing Performance - Over Retarded. P01D0-00 - Cylinder 3 Injection Timing Performance - Over Advanced. P01DL-00 - Cylinder 4 Injection Timing Performance - Over Retarded. P01D2-00 - Cylinder 4 Injection Timing Performance - Over Advanced. P01D3-00 - Cylinder 5 Injection Timing Performance - Over Retarded. P01D4-00 - Cylinder 5 Injection Timing Performance - Over Advanced. P01D5-00 - Cylinder 6 Injection Timing Performance - Over Retarded. P01D6-00 - Cylinder 6 Injection Timing Performance - Over Advanced. P0534-00 - A/C Refrigerant System "A" Charge Loss. P204F-00 - Reductant System Performance. P2199-00 - Intake Air Temperature Sensor 1/2 Correlation.
S19080001592022-10-17. Service bulletin. BACK OVER PREVENTION. MIL Lamp On, DTC P0330 Knock Sensor 2 Circuit
S22230000292022-10-17. Service bulletin. BACK OVER PREVENTION. Rattle Noise From Door
S22080000082022-10-17. Service bulletin. LANE DEPARTURE. Service Axle Locker Warning Message
S22230000012022-10-17. Service bulletin. POWER TRAIN; BACK OVER PREVENTION. Rattle Noise From Power Top Driving Over Bumps Or Rough Road
90044652022-10-17. Service bulletin. WHEELS; BACK OVER PREVENTION. 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.
0800320REVE2022-09-26. Service bulletin. FORWARD COLLISION AVOIDANCE; LANE DEPARTURE; ELECTRICAL SYSTEM; BACK OVER PREVENTION. Flash: Driver Assistance System Module (DASM) Enhancements This bulletin involves reprogramming the DASM with the latest software available. The customer may describe the following:Instrument Panel Cluster (IPC) warnings for the Forward Collision Warning (FCW) informing the driver to apply the brakes. 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.
0800320REVD2022-09-26. Service bulletin. LANE DEPARTURE; FORWARD COLLISION AVOIDANCE; BACK OVER PREVENTION; ELECTRICAL SYSTEM. Flash: Driver Assistance System Module (DASM) Enhancements This bulletin involves reprogramming the DASM with the latest software available. The customer may describe the following:Instrument Panel Cluster (IPC) warnings for the Forward Collision Warning (FCW) informing the driver to apply the brakes. 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.
0800320REVC2022-09-26. Service bulletin. BACK OVER PREVENTION; ELECTRICAL SYSTEM; LANE DEPARTURE; FORWARD COLLISION AVOIDANCE. Flash: Driver Assistance System Module (DASM) Enhancements This bulletin involves reprogramming the DASM with the latest software available. The customer may describe the following:Instrument Panel Cluster (IPC) warnings for the Forward Collision Warning (FCW) informing the driver to apply the brakes. The following software enhancements are also available:Allows customers to turn off the FCW indefinitely, rather than resetting to ?ON? at each key cycle(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.
0800320REVB2022-09-26. Service bulletin. ELECTRICAL SYSTEM; BACK OVER PREVENTION; LANE DEPARTURE; FORWARD COLLISION AVOIDANCE. Flash: Driver Assistance System Module (DASM) Enhancements This bulletin involves reprogramming the DASM with the latest software available. The customer may describe the following: Instrument Panel Cluster (IPC) warnings for the Forward Collision Warning (FCW) informing the driver to apply the brakes. The following software enhancements are also available:Allows customers to turn off the FCW indefinitely, rather than resetting to ?ON? at each key cycle(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.
S18080002842022-09-26. Service bulletin. VISIBILITY; BACK OVER PREVENTION. Power Mirrors And Door Locks Do Not Function. Blind Spot Alert Temporarily Unavailable Is Displayed On The EVIC
1801922REVA2022-09-26. Service bulletin. EXTERIOR LIGHTING; BACK OVER PREVENTION; 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 of the following DTCs have been set: P0335 - Crankshaft Position Sensor Circuit. P0339 - Crankshaft Position Sensor Intermittent. P2C90 - Crankcase Ventilation System - Hose "A" Disconnected . P2172 - High Airflow/Vacuum Leak Detected (Instantaneous Accumulation). P02EE - Cylinder 1 Injector Circuit Performance. P02EF - Cylinder 2 Injector Circuit Performance. P02F0 - Cylinder 3 Injector Circuit Performance. P02F1 - Cylinder 4 Injector Circuit Performance. P0441 - EVAP Purge System Performance. P0607 - ECU Internal Performance. P0506 - Idle Speed Performance Lower Than Expected.
S228A000004RevB2022-09-26. Service bulletin. BACK OVER PREVENTION. Panasonic VP4R Wi-Fi New Enrollment Pause
S1908000092ReVA2022-09-26. Service bulletin. BACK OVER PREVENTION; ELECTRICAL SYSTEM. Reverse Camera System Unavailable And Blue Screen Showing On Radio Display
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.

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