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Service bulletins for the 2018 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.

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

By type

By component

By trouble code

Only bulletins with component: Hybrid and electric drive are shown. Show all

Bulletins, newest first
S20080000312023-10-02. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM:PROPULSION SYSTEM:CHARGING:PORT. Low Charging Voltage Displayed On Cluster
08166232023-09-25. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:PROPULSION SYSTEM:HYBRID MANAGEMENT:POWER CONTROL UNIT/MODULE (HPCU); 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.** ? P0AC5-00 - Hybrid/EV Battery Temperature Sensor "B" Circuit. ? P2B28-00 - Hybrid/EV Battery Pack Coolant Pump Performance. ? P0A1F-09 - Battery Energy Control Module A Internal Performance-Component Failures. ? P1A1E-00 - Hybrid Thermal System Control Circuit. ? P0A94-03 - DC/DC "A" Converter Performance-FM/PWM Failures. ? P0A94-05 - DC/DC "A" Converter Performance-System Programming Failures. ? U0293-00 - Lost Communication With Hybrid Control Module. ? U1886-00 - Battery Energy Control Module Lost Communication With ECM/PCM. In addition, the customer may comment on one or more of the following conditions: ? **Battery light on in the Instrument Panel Cluster (IPC).** ? Extremely short auto-stops during a 0 °C (32 °F) temperature. This bulletin involves updating the BPCM with the latest available software.
08144232023-08-21. Service bulletin. ELECTRICAL SYSTEM:PROPULSION SYSTEM:HYBRID MANAGEMENT:POWER CONTROL UNIT/MODULE (HPCU). Flash: Hybrid Control Processor (HCP) Updates The customer 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): ? **P0C01-00 - Drive Motor A Current High. ? P0C05-00 - Drive Motor A Phase U-V-W Circuit/Open.** ? P0507 - Idle Speed Performance Higher Than Expected. **In addition the customer may notice the following: ? Loss of 12V charging (Battery Light) and/or loud noise from MGU motor.** This bulletin involves updating the HCP with the latest available software and if necessary replacing the Motor Generator Unit (MGU).

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