U0423 on the 2023 Dodge HORNET
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.
Nobody has written a description of this code yet.
| S2308000099 REV.A | 2024-06-05. Service bulletin. Body Control Module (BCM) Sets Diagnostic Trouble Code (DTC) U0423-87 Invalid Data Received from TBM (Telematic Box Module) - Missing Message Erroneously |
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| S2308000099 | 2023-10-02. Service bulletin. Body Control Module (BCM) Sets Diagnostic Trouble Code (DTC) U0423-87 Invalid Data Received from TBM (Telematic Box Module) - Missing Message Erroneously |
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.