# B273C on the 2024 Jeep Grand Cherokee L

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.

## Bulletins for this model year that name B273C

- [11019623](https://open.wenmarpro.com/bulletins/11019623), 2025-06-18: "Flash: Hybrid Control Processor \(HCP\) and Auxiliary Hybrid Control Processor \(AHCP\) Updates Customers must experience a Malfunction Indicator Lamp \(MIL\) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes \(DTCs\): ● P0C19 \- Drive Motor A Torque Delivered Performance. ● P1B03 \- Resolver Signal / MCPA Rationality. ● B273C \- Digital Crash Input. Customers may experience the following: ● Intermittent wrench \(service HV\) icon condition. This bulletin involves reprogramming the HCP/AHCP, also known as Power Inverter Module \(PIM\), with the latest available software.\*\*"
- [11012823](https://open.wenmarpro.com/bulletins/11012823), 2025-01-14: "Flash: Hybrid Control Processor \(HCP\) and Auxiliary Hybrid Control Processor \(AHCP\) Updates Customers must experience a Malfunction Indicator Lamp \(MIL\) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes \(DTCs\): ● P0C19 \- Drive Motor A Torque Delivered Performance. ● P1B03 \- Resolver Signal / MCPA Rationality. ● B273C \- Digital Crash Input. Customers may experience the following: ● Intermittent wrench \(service HV\) icon condition. "