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. Its meaning is in the manufacturer's service information.
| 08-003-25 REV. A | 2025-06-18. Service bulletin. "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.**" |
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| 08-003-25 | 2025-01-14. Service bulletin. "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. " |
2 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.