U0423 on the 2025 Bentley Continental
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.
| 2078912/3 | 2026-02-04. Service bulletin. DTC U042300 Stored in Gearbox Control Unit After KL30 Reset | Continental GT/GTC /Flying Spur | 25-26MY,. Customer Statement: Yellow gearbox malfunction warning displayed on the Driver’s Instrument Panel (DIP). |
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| 2078912/2 | 2025-10-07. Service bulletin. DTC U042300 Stored in Gearbox Control Unit After KL30 Reset | Continental GT/GTC /Flying Spur | 25-26MY. Customer Statement: Yellow gearbox malfunction warning displayed on the Driver’s Instrument Panel (DIP). |
| 2078912/1 | 2025-08-28. Service bulletin. DTC U042300 Stored in Gearbox Control Unit After KL30 Reset | Continental GT/GTC /Flying Spur | 25-26MY. Customer Statement: Yellow gearbox malfunction warning displayed on the Driver’s Instrument Panel (DIP). |
3 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.