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B273C on the 2023 Jeep Wrangler

The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.

This code is specific to a manufacturer and is not described here. Its meaning is in the manufacturer's service information.

Bulletins for this model year that name B273C
08-116-25 REV. C2025-10-02. Service bulletin. 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. 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. "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. "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. "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. "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)"
S2208000154 REV.A2025-02-13. Service bulletin. 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

7 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.