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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.

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By component

By trouble code

Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
945192024-05-16. Other. ELECTRICAL SYSTEM. HEADLAMP
08020242024-03-18. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM:WIRING:CONNECTORS/PLUGS:ACCESORY POWER OUTLET/JACK/PORT/USB/SAE/CIGARETTE LIGHTER. Floor Console USB Inoperative Customers may comment on the following: ? Customer states the Apple Carplay/Android Auto? does not work or is intermittently working when their device is plugged into the center console bin USB port. This replacing the center console USB cable.
ReferenceY40A2024-03-18. Service bulletin. ELECTRICAL SYSTEM. Revised Customer Satisfaction Notification Y40 ? Control Module Software Updates
ReferenceY402024-03-18. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:SOFTWARE. Customer Satisfaction Notification Y40 Control Module Software Updates
S22080000202024-03-18. Service bulletin. ELECTRICAL SYSTEM. Electric Mode Temporarily Unavailable, Cluster Message Displayed Vehicle in Fuel Oil Refresh Mode (FORM)
S14080003842024-03-18. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Start Stop Charging Warning Lamp Illuminated On, Intelligent Battery Sensor (IBS) State of Charge (SOC) Inaccurate, Battery Charging Message, Presence of IBS related Diagnostic Trouble Codes (DTCs), or Battery Warning Lamp On
91002262024-01-08. Service bulletin. ELECTRICAL SYSTEM. Connector kit Before ordering this connector repair kit 68018957A$, check it in the Mopar Connector Repair Kit Website to confirm part number and applicability. There is an error with the wiring diagrams in Service Library that is causing the incorrect repair kit part number to populate. Please use the Mopar Connector Repair Kit Website until this issue is resolved.
91002122024-01-08. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. PUMP Water For 2016-2024MY 3.6L Pentastar Upgrade with suspected coolant leak. PRIOR TO PERFORMING ANY WATER PUMP REPLACEMENT, PROCEED WITH INSPECTION INSTRUCTIONS FROM THE LATEST VERSION OF STAR ONLINE PUBLICATION S2307000002. Please submit pictures of the leak area thru the DIDI process outlined in the STAR Online document. NOTE: Some coolant residue may be found at the water pump weep hole plug area which may be normal, but coolant should not be dripping from this location. If unsure about, use the Pressurized Coolant System Inspection process as found in the Dealer Connect Cooling Diagnosis and Testing Procedures.
91002092024-01-08. Service bulletin. VISIBILITY:REARVIEW MIRRORS/DEVICES; ELECTRICAL SYSTEM. Switch-Mirror Before replacing this Switch, please follow the service procedures to properly diagnose it 1) Remove the switch 2) Please check the continuity on each pin of the switch based on the table found in the service Procedures. If after testing switch is still faulty, please call FCA Redacted Content. If no response after 15 minutes, proceeds with switch replacement.
S228A0000282024-01-02. Service bulletin. ELECTRICAL SYSTEM. Radio Remained On After Ignition Is Switched Off, Dead Battery From Excessive Radio Current Draw
S18080000572023-12-18. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Inspecting And Disconnecting Negative Battery Cables On ESS Vehicles
S23180000102023-10-30. Service bulletin. FUEL SYSTEM, GASOLINE; ELECTRICAL SYSTEM. Message in cluster for "Performance Limited Service Fuel System" with no DTC's
S23230000732023-10-30. Service bulletin. VISIBILITY; ELECTRICAL SYSTEM:ADAS:BLINDSPOT:SENSORS. Exterior Mirror And Or Blind Spot Inoperative.
91002262023-10-30. Service bulletin. ELECTRICAL SYSTEM:WIRING. Connector kit Before ordering this connector repair kit 68018957A$, check it in the Mopar Connector Repair Kit Website to confirm part number and applicability. There is an error with the wiring diagrams in Service Library that is causing the incorrect repair kit part number to populate. Please use the Mopar Connector Repair Kit Website until this issue is resolved.
91002122023-10-30. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING; ENGINE AND ENGINE COOLING:COOLING SYSTEM:PUMP. PUMP Water For 2016-2024MY 3.6L Pentastar Upgrade with suspected coolant leak. PRIOR TO PERFORMING ANY WATER PUMP REPLACEMENT, PROCEED WITH INSPECTION INSTRUCTIONS FROM THE LATEST VERSION OF STAR ONLINE PUBLICATION S2307000002. Please submit pictures of the leak area thru the DIDI process outlined in the STAR Online document. NOTE: Some coolant residue may be found at the water pump weep hole plug area which may be normal, but coolant should not be dripping from this location. If unsure about, use the Pressurized Coolant System Inspection process as found in the Dealer Connect Cooling Diagnosis and Testing Procedures.
91002092023-10-30. Service bulletin. ELECTRICAL SYSTEM:WIRING:POSITION/LIMIT SENSOR/SWITCH; ELECTRICAL SYSTEM. Switch-Mirror Before replacing this Switch, please follow the service procedures to properly diagnose it 1) Remove the switch 2) Please check the continuity on each pin of the switch based on the table found in the service Procedures. If after testing switch is still faulty, please call FCA Redacted Content. If no response after 15 minutes, proceeds with switch replacement.
23089232023-10-02. Service bulletin. ELECTRICAL SYSTEM; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:REAR WINDOW. Rear Defroster Inoperative Customer may experience the following: ? Rear window is not defrosting ? The rear window glass left or right side defrost solder terminal is detached from the defrost grid. This bulletin involves replacing the Electric Backlite (EBL) wire connector repair and re-securing the electrical connector(s) to the rear window.
S19190000042023-10-02. Service bulletin. ELECTRICAL SYSTEM; STEERING. U0131-00-LOST COMMUNICATION WITH POWER STEERING CONTROL MODULE ?A?. Service Electric Power Steering Message On Cluster.
S20080000312023-10-02. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM:PROPULSION SYSTEM:CHARGING:PORT. Low Charging Voltage Displayed On Cluster
08172232023-09-25. Service bulletin. ELECTRICAL SYSTEM:PROPULSION SYSTEM:HYBRID MANAGEMENT:POWER CONTROL UNIT/MODULE (HPCU); ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:PROPULSION SYSTEM:HYBRID MANAGEMENT. Flash: Battery Pack Control Module (BPCM) Diagnostic and System Updates 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: ?P0A80-00 - Replace Hybrid/EV Battery Pack. ? P0EDD-00 - Contactor Wear Counter Far Advanced. In addition, the customer may comment on the following condition: ? Battery light on in the Instrument Panel Cluster (IPC). This bulletin involves updating the BPCM with the latest available software.
91001852023-09-25. Service bulletin. STEERING; ELECTRICAL SYSTEM. ELECTRIC HYDRAULIC POWER STEERING PUMP Prior to replacing this component for damage at the pump electrical connection, please contact FCA redacted content. If no response in 15 minutes, proceed with repair.
90044332023-09-25. Service bulletin. SERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM; SERVICE BRAKES; ELECTRICAL SYSTEM. PUMP, Vacuum For DTC Code P258B - ELECTRONIC VACUUM PUMP PERFORMANCE. Due to brake vacuum pumps returned with trouble not found, please follow the proper diagnostics outline in the service library this also includes checking all electrical and vacuum hose connections prior to replacement of the vacuum pump. This will avoid unnecessary repair and potential charge back on the vacuum pump.
18070232023-08-21. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Flash: Powertrain Control Module (PCM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that the one or more of the following Diagnostic Trouble Codes (DTCs) have been set: ? **P02EE - CYLINDER 1 INJECTOR CIRCUIT PERFORMANCE. ? P02EF - CYLINDER 2 INJECTOR CIRCUIT PERFORMANCE. ? P02F0 - CYLINDER 3 INJECTOR CIRCUIT PERFORMANCE. ? P02F1 - CYLINDER 4 INJECTOR CIRCUIT PERFORMANCE. ** ? P0335 - Crankshaft Position Sensor Circuit. ? P0339 - Crankshaft Position Sensor Intermittent. ? P2C90 - Crankcase Ventilation System - Hose 9A9 Disconnected . ? P2172 - High Airflow/Vacuum Leak Detected (Instantaneous Accumulation). ? P0441 - EVAP Purge System Performance. ? P0607 - ECU Internal Performance. ? P0506 - Idle Speed Performance Lower Than Expected. The customer may also comment on the following: ? ?Performance Limited Service Fuel System? message in the Instrument Panel Cluster (IPC). This bulletin involves reprogramming the PCM with the latest available software.
ReferenceZD72023-08-21. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Customer Satisfaction Notification ZD7 - Radio Software Update
BulletinA2023-07-31. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Customer Satisfaction Notification ZD7 - Radio Software Update

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