B1AAE on the 2024 Cadillac Lyriq
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.
| 24-NA-278 | 2025-02-05. Service bulletin. This technical bulletin provides repair information to correct a customer concern of BCM Software Update Needed – DTC B1AAE.13: Passive Entry Closure 2 Antenna Circuit High - Circuit Open. |
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| 24-NA-278 | 2025-01-24. Service bulletin. This technical bulletin provides repair information to correct a customer concern of BCM Software Update Needed – DTC B1AAE.13: Passive Entry Closure 2 Antenna Circuit High - Circuit Open. |
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.