Service bulletins for the 2024 Jeep Grand Cherokee L
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.
391 on file from NHTSA, as of 2026-10-19.
About B273C on the 2024 Jeep Grand Cherokee L: 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
| 08-003-25 REV. A | 2025-06-18. Service bulletin. ELECTRICAL SYSTEM. "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. ELECTRICAL SYSTEM. "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. " |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.