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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

Bulletins, newest first
S2018000001 Rev.2022-07-18. Service bulletin. EXTERIOR LIGHTING. Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Code (DTC) P26FB ? EGR Cooler Bypass Control Stuck Closed Bank 1 Set.
S2025000005 Rev.2022-07-18. Service bulletin. EXTERIOR LIGHTING; BACK OVER PREVENTION. Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Codes P0407 ? EGR Sensor B Circuit Low, or P0408 ? EGR Sensor B Circuit High Set
S21250000012022-07-18. Service bulletin. FUEL SYSTEM, GASOLINE; SERVICE BRAKES; ENGINE AND ENGINE COOLING. High Pressure (HP) Exhaust Gas Recirculation (EGR) Cooler, Perceived Internal Coolant Leak.
S21230000032022-07-18. Service bulletin. EQUIPMENT. Buzz Squeak Rattle From Floor Dash And Interior Items
S21190000012022-07-18. Service bulletin. STEERING. Click Pop Creak Noise While Turning Steering Wheel
S2008000031 Rev.2022-07-18. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Low Charging Voltage Displayed On Cluster
S21230000022022-07-18. Service bulletin. EQUIPMENT; VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR. Exterior Rearview Mirrors Inoperative And Or Intermittent Operation.
S1918000008 Rev.2022-07-18. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); EQUIPMENT; POWER TRAIN:MANUAL TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Customer?s complaint may include a MIL-on with one or more of the following DTCs (Active, Pending, or Stored) in the PCM: P0133, P0137, P0171, P0300, P2096. The root cause could be due to oil leaking from Bank 1 valve cover seal on to the 1/2 (Bank 1 downstream) O2 sensor. This can adversely affect the 1/2 O2 sensor signal reading and lead to listed DTCs. Before performing normal diagnostic routines for the above codes, check for the condition listed above.
90043452022-07-18. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE); EQUIPMENT; ENGINE AND ENGINE COOLING; EQUIPMENT ADAPTIVE/MOBILITY. COOLER, EGR If you are replacing the high pressure EGR cooler (p/n 68490113A$) for a suspected internal coolant leak that was detected by wetness in the EGR pipe or valve, please perform proper cooling system pressure test first to verify the leak. Refer to all published service information regarding Cooling Diagnosis and Testing (LEAK TESTING) before proceeding.
90043432022-07-18. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE); EQUIPMENT ADAPTIVE/MOBILITY. VALVE, HIGH PRESSURE EGR If you are replacing the high pressure EGR valve (68490212A$) due to DTC P0407 or P0408 please refer to all published service information regarding proper diagnosis before proceeding. These DTCs are for the low pressure EGR system.
90043422022-07-18. Service bulletin. EQUIPMENT; VISIBILITY:WINDSHIELD. WINDSHIELD Windshield cracked or blemish. When customer comes in for a cracked windshield, please note the location of crack and take pictures before repair. Please send pictures to FCA Redacted Content or load to the warranty claims system.
18-049-222022-06-27. Service bulletin. EQUIPMENT; POWER TRAIN:MANUAL TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). 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: Pinging/detonation sound from the engine after warm up at 1000-1500 RPM at low speed. 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) illumination or Diagnostic Trouble Codes (DTCs) set. In addition, the following software enhancements are available: Updates to include misfire DTCs.
S228A0000042022-06-27. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Panasonic VP4R Wi-Fi New Enrollment Pause
S19250000082022-06-27. Service bulletin. ENGINE AND ENGINE COOLING; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM. Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Codes (DTCs) P208B ? Reductant Pump 1 Control Performance, and/or P20E8 ? Reductant Pressure Too Low, Set.
S19080001972022-06-27. Service bulletin. TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS; ELECTRICAL SYSTEM. Low Tire Pressure Lamp Warning Lamp Illuminated, DTC?s C1501-96, C1502-96, C1503-96, C1504-96
90044722022-06-27. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM:HAND HEATER:WIRING HARNESS. complete wiring harness Before replacing this harness, please check for an available connector repair kit at the following: http://connectors.dcctools.com/home.htm;jsessionid=C6A3F1B696B030953878BF34FE86A8FE If a connector repair kit is not available on the website contact FCA Redacted Content to see if an alternative repair kit is available for your application prior to ordering the harness. If no response in 15 minutes, proceed with repair. Please email pictures of harness defects to FCA Redacted Content
23020212022-05-31. Service bulletin. SEATS; EQUIPMENT. Front Passenger Outer Seat Bolster Foam is Collapsed This bulletin includes repositioning the passenger outer seat bolster and installing a strap and push pin to help prevent this concern from happening again. Customers may comment on the following: The front passenger outer seat bolster cushion is missing
19002212022-05-31. Service bulletin. STEERING; EQUIPMENT ADAPTIVE/MOBILITY:VEHICLE CONTROLS:STEERING. Noise In Steering Column Tailshaft When Turning Steering Wheel This bulletin involves inspecting and replacing the steering column if necessary. The customer may notice the following:A noise coming from the tailshaft of the steering column while turning.
S19180000082022-05-31. Service bulletin. BACK OVER PREVENTION. Customer?s complaint may include a MIL-on with one or more of the following DTCs Active, Pending, or Stored in the PCM: P0133, P0137, P0171, P0300, P2096. The root cause could be due to oil leaking from Bank 1 valve cover seal on to the 1/2 Bank 1 downstream O2 sensor. This can adversely affect the 1/2 O2 sensor signal reading and lead to listed DTCs. Before performing normal diagnostic routines for the above codes, check for the condition listed above.
S18090000072022-05-31. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION. Customer Complaint May Include Engine Oil Leak Or Consumption
S21080001462022-05-31. Service bulletin. ENGINE; COMMUNICATION: AUTO CRASH NOTIFICATION. Check Engine Lamp Comes On, CAN C Loss Communication DTC?s Setting Stored Or Active Intermittently
S21080001532022-05-31. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Stop Start Inoperative, Cluster Message To Service Stop Start, AC Inoperative
S21230000482022-05-31. Service bulletin. BACK OVER PREVENTION. Wind Whistle Noise From A Pillar Area At Highway Speed
S21230000492022-05-31. Service bulletin. EQUIPMENT. RHD Glove box cannot be fully opened
S21250000022022-05-31. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Customer complaint includes a Mil-on condition. Upon further investigation, one or more of the following fault codes may be set in the PCM:

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