WenmarOpen by Wenmar Pro

P310B on the 2023 Audi SQ8

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.

Bulletins for this model year that name P310B
TSB_2070281_72026-10-05. Service bulletin. This bulletin provides information when the MIL is on; P310B00 - low fuel pressure regulation, fuel pressure outside of tolerance - symptom 2638.
TSB_2070281_62026-09-04. Service bulletin. This bulletin provides information when the MIL is on, DTC P310B00 is stored; low fuel pressure regulation, fuel pressure outside of tolerance, symptom 2638.
TSB_2070281_52026-09-04. Service bulletin. This bulletin provides information when the MIL is on, DTC P310B00 is stored; low fuel pressure regulation, fuel pressure outside of tolerance, symptom 2638.
TSB_2070281_42025-12-05. Service bulletin. This bulletin provides information when the MIL is on, DTC P310B00 is stored; low fuel pressure regulation, fuel pressure outside of tolerance, symptom 2638.
A2024682070281_32024-04-04. Service bulletin. This bulletin provides information when DTC P310B00 - low fuel pressure regulation, fuel pressure outside of tolerance is present.
A2023632070281_22023-12-06. Service bulletin. This bulletin provides information when the MIL is on with DTC P310B00; Low fuel pressure regulation.
A2023612070281_12023-06-06. Service bulletin. This bulletin provides instructions for when the MIL light is illuminated; DTC P310B00 may be stored.

7 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.