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Service bulletins for the 2021 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.

1062 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
S258A0000132025-04-17. Service bulletin. ELECTRICAL SYSTEM. AM Radio Static, With No Active or Stored Radio Antenna Diagnostic Trouble Codes (DTC).
91005472025-04-16. Service bulletin. ELECTRICAL SYSTEM. "Telematics Box Module Verify Z part number availability. Order a Z part number for all Exchange Orders: warranty, Mopar, customer pay and service contract. Order regular part number for New unsold units only."
08-082-25 REV. A2025-04-15. Service bulletin. ELECTRICAL SYSTEM. "High Voltage Wiring Repair Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● B273C-00 - Digital Crash Input. ● U0287-00 - Lost Communication With Transmission Fluid Pump Module 1. Customers may also experience one or more of the following: ● Vehicle shakes during a cold start. ● Noise is heard from the underbody near the P2 motor. This bulletin involves repairing the High Voltage (HV) cable harness to the Power Inverter Module (PIM)"
S25230000242025-04-04. Service bulletin. STRUCTURE:BODY; ELECTRICAL SYSTEM. Rear Defogger Solder Terminals Detached.
08-059-252025-03-11. Service bulletin. ELECTRICAL SYSTEM. "Flash: Power Inverter Module(PIM) Flash Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician must find one or more of the following Diagnostic Trouble Code (DTC) has been set: ● P0C19-00 - Drive Motor A Torque Delivered Performance. ● P1B03-00 - Resolver Signal / MCPA Rationality. Customers may experience the following: ● Electric Vehicle (EV) system shuts down while transferring over to Internal Combustion Engine (ICE) motive power. Engine Stop Start (ESS) function will also not operate as a result of this condition This bulletin involves reprogramming the Auxiliary Hybrid Control Processor (AHCP) also known as PIM, with the latest available software."
S258A0000092025-03-07. Service bulletin. ELECTRICAL SYSTEM. Apple CarPlay Does Not Complete The First Initial Wireless Connection.
1032922025-03-04. Service bulletin. ELECTRICAL SYSTEM. MODULE - BATTERY HEATER
S2108000015 REV.J2025-02-26. Service bulletin. ELECTRICAL SYSTEM. Uconnect Box Require Service Message
23-008-252025-02-20. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE:BODY. "Headlamp Condensation Clearing Procedure Some customers may report that on occasion, vehicle exterior head lamp assemblies are fogged with a light layer of condensation on the inside of the lenses. "
23-007-252025-02-20. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE:BODY. "Rear Defroster Inoperative Customers may experience one or more of 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"
S228A000005 REV.E2025-02-18. Service bulletin. ELECTRICAL SYSTEM. Uconnect Box Error Message, With Active or Stored Cellular Antenna Open or Short Diagnostic Trouble Codes (DTCs)
S2323000004 REV.A2025-02-14. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE:BODY. Defogger Is Not Working. Terminal Detached From The Glass.
S2008000084 REV.C2025-02-14. Service bulletin. ELECTRICAL SYSTEM. Cluster Warning Lamp is on, Service 4WD Message
S2208000154 REV.A2025-02-13. Service bulletin. ELECTRICAL SYSTEM. Service Hybrid Electric Vehicle System Message Displayed In The IPC. Vehicle Shakes During A Cold Start And Noise Is Heard Near The P2 Motor. DTC’s U0287-00 And B273C-00
S1408000384 REV.H2025-01-28. Service bulletin. ELECTRICAL SYSTEM. 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
S1408000384 REV.G2025-01-09. Service bulletin. ELECTRICAL SYSTEM. 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
08-098-24 REV. A2024-12-18. Service bulletin. ELECTRICAL SYSTEM. "Flash: Battery Pack Control Module (BPCM) Enhancements 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) have been set: ● **P0DAB - Hybrid/EV Cell Balancing Performance.** ● P0AA4 - Hybrid/EV Battery Negative Contactor 'A' Circuit Stuck Closed. ● P0AA1 - Hybrid Battery Positive Contactor Circuit Stuck Closed. ● P0CA6 - Hybrid/EV Battery Charging Current High. ● P0B24 - Unstable Hybrid Battery ‘A’ Voltage. ● P1C5E - Battery State or Health Failed. ● P0BBE - No Start - Loss or Reduction of Propulsion. ● P0607-00 - ECU Internal Performance. ● P0C78-00 - Hybrid/EV Battery System Precharge Time Too Long. This bulletin involves reprogramming the BPCM with the latest software available. NOTE: Additional module flashes are required for this update to be effective, the following modules are all to be updated along with this BPCM update. ● Powertrain Control Module (PCM). ● Transmission Control Module (TCM). ● Integrated Dual Charging Control Module (IDCM). ● Hybrid Control Processor (HCP), Auxiliary Hybrid Control Processor (AHCP) also known as the Power Inverter Module (PIM)"
S2422000001 REV.C2024-11-13. Service bulletin. WHEELS; ELECTRICAL SYSTEM. Tire Pressure Monitor (TPM) Service Information. TPM Lamp On.
1007742024-11-01. Service bulletin. ELECTRICAL SYSTEM. SWITCH - HEADLAMP
S24230000452024-10-31. Service bulletin. ELECTRICAL SYSTEM; STEERING. Heated Steering Wheel Inoperative And Or Not Hot Enough.
978022024-10-08. Service bulletin. ELECTRICAL SYSTEM. SWITCH - HEADLAMP
S228A000017 REV.A2024-09-23. Service bulletin. ELECTRICAL SYSTEM. Battery Drain Suspected or "Identified" From USB or Media Hub
23-004-24 REV. A2024-08-13. Service bulletin. STRUCTURE:BODY; ELECTRICAL SYSTEM. "Headlamp Condensation Clearing Procedure Some customers may report that on occasion, vehicle exterior head lamp assemblies are fogged with a light layer of condensation on the inside of the lenses."
S1408000384 REV.F2024-07-02. Service bulletin. ELECTRICAL SYSTEM; ENGINE. "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 "
08-149-242024-07-02. Service bulletin. ELECTRICAL SYSTEM. "12V Battery Low Level Charge Notification On Customer’s Mobile Application Vehicle's 12V battery Low Level Charge notification on customer’s mobile application."

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