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Service bulletins for the 2024 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.

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

About B273C on the 2024 Jeep Wrangler: what the code means, and the bulletins and recalls about the same components.

By type

By component

By trouble code

Only bulletins with trouble code: B273C are shown. Show all

Bulletins, newest first
08-116-25 REV. C2025-10-02. Service bulletin. ELECTRICAL SYSTEM. Service Hybrid Electric Vehicle System Warning Message Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code (DTC): ● B273C-00 - Digital Crash Input. NOTE: Technicians may find the DTC is stored or pending in the Hybrid Control Processor (HCP). Customers may experience one or more of the following: ● The "Service Hybrid Electric Vehicle System Warning” message and Light are displayed in the Instrument Panel Cluster (IPC) Fig. 1. NOTE: This message may be displayed for a few seconds and then disappear. ● The vehicle may no longer enter Electric or Hybrid drive modes.
08-116-25 REV. B2025-09-10. Service bulletin. ELECTRICAL SYSTEM. Service Hybrid Electric Vehicle System Warning Message Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code (DTC): ● B273C-00 - Digital Crash Input. NOTE: Technicians may find the DTC is stored or pending in the Hybrid Control Processor (HCP). Customers may experience one or more of the following: ● The "Service Hybrid Electric Vehicle System Warning” message and Light are displayed in the Instrument Panel Cluster (IPC) Fig. 1. NOTE: This message may be displayed for a few seconds and then disappear. ● The vehicle may no longer enter Electric or Hybrid drive modes This bulletin involves installing a ferrite bead to the high voltage battery body harness.
08-116-25 REV. A2025-05-30. Service bulletin. ELECTRICAL SYSTEM. "Service Hybrid Electric Vehicle System Warning Message Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code (DTC): ● B273C-00 - Digital Crash Input. NOTE: Technicians may find the DTC is stored or pending in the Hybrid Control Processor (HCP). Customers may experience one or more of the following: ● The ""Service Hybrid Electric Vehicle System Warning” message and Light are displayed in the Instrument Panel Cluster (IPC) Fig. 1. NOTE: This message may be displayed for a few seconds and then disappear. ● The vehicle may no longer enter Electric or Hybrid drive modes. This bulletin involves installing a ferrite bead to the high voltage battery body harness."
08-116-252025-04-15. Service bulletin. ELECTRICAL SYSTEM. "Service Hybrid Electric Vehicle System Warning Message Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code (DTC): ● B273C-00 - Digital Crash Input. NOTE: Technicians may find the DTC is stored or pending in the Hybrid Control Processor (HCP). Customers may experience one or more of the following: ● The ""Service Hybrid Electric Vehicle System Warning” message and Light are displayed in the Instrument Panel Cluster (IPC) Fig. 1. NOTE: This message may be displayed for a few seconds and then disappear. ● The vehicle may no longer enter Electric or Hybrid drive modes This bulletin involves installing a ferrite bead to the high voltage battery body harness."
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)"
08-082-252025-03-25. 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. REPAIR SUMMARY: This bulletin involves repairing the High Voltage (HV) cable harness to the Power Inverter Module (PIM)"
91004122024-09-23. Service bulletin. ELECTRICAL SYSTEM. P2 TO PIM harness For fault B273C-00 - Before replacing P2 to PIM HV Harness - REFER TO SOL S2408000063
91004132024-09-23. Service bulletin. ELECTRICAL SYSTEM. P1 TO PIM harness For fault B273C-00 Before replacing harness P1 to PIM HV Harness - review SOL S2408000063

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