P310B on the 2013 Audi S7
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.
| 148620374722 | 2022-08-01. Service bulletin. DTC P310B00 (DFCC 2638) can be caused by quantity deviations of the fuel pump. |
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| 148020374721 | 2022-08-01. Service bulletin. DTC P310B00 (DFCC 2638) can be caused by quantity deviations of the fuel pump. |
| A011480 2037472- | 2017-11-08. Service bulletin. The MIL is on. DTC P310B00 (DFCC 2638) (Low fuel pressure regulation, fuel pressure outside specification) is stored in the engine control module, J623 (address word 01). DTC P310B00 (DFCC 2638) can be caused by quantity deviations of the fuel pump. |
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.