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P1101 on the 2019 Chevrolet Volt

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 P1101
20-NA-0472023-01-25. Service bulletin. This service bulletin provides a service procedure to correct customer concerns of Front or Rear Crankshaft Oil Leak, MIL Illuminated with DTC P1101 Set.
20NA0472021-05-24. Service bulletin. This service bulletin provides a service procedure to correct conditions of Front or Rear Crankshaft Oil Leak, MIL Illuminated with DTC P1101 Set.
20NA0472021-05-03. Service bulletin. This service bulletin provides a service procedure to correct conditions of Front or Rear Crankshaft Oil Leak, MIL Illuminated with DTC P1101 Set.
20NA0472020-08-31. Service bulletin. This technical bulletin provides a service procedure to correct conditions of Front or Rear Crankshaft Oil Leak, MIL Illuminated with DTC P1101 Set.
20NA0472020-05-26. Service bulletin. This technical bulletin provides a service procedure to correct conditions of Front or Rear Crankshaft Oil Leak, MIL Illuminated with DTC P1101 Set.
20NA0472020-04-27. Service bulletin. This technical bulletin provides a service procedure to correct conditions of Front or Rear Crankshaft Oil Leak, MIL Illuminated with DTC P1101 Set.
20NA0472020-03-30. Service bulletin. This technical bulletin provides a service procedure to correct conditions of Front or Rear Crankshaft Oil Leak, MIL Illuminated with DTC P1101 Set.

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.