WenmarOpen by Wenmar Pro

P0C57 on the 2011 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.

Nobody has written a description of this code yet.

Bulletins for this model year that name P0C57
PIC5856F2019-07-08. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on. Technician may find a Diagnostic Trouble Codes P0C57, P0C58 and/or P0C62. When the technician has duplicated and is unable to find a repair after checking wiring and following normal diagnosis, please replace the Motor B Position Sensor to resolve the concern. Also insure that the Drive Motor Generator Control Module has the latest calibration.
PIC5856E2017-10-04. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on. Technician may find a Diagnostic Trouble Codes P0C57, P0C58 and/or P0C62. When the technician has duplicated and is unable to find a repair after checking wiring and following normal diagnosis, please replace the Motor B Position Sensor to resolve the concern. Also insure that the Drive Motor Generator Control Module has the latest calibration.
PIC5856C2017-08-15. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on. Technician may find a Diagnostic Trouble Codes P0C57, P0C58 and/or P0C62. When the technician has duplicated and is unable to find a repair after checking wiring and following normal diagnosis, please replace the Motor B Position Sensor to resolve the concern. Also insure that the Drive Motor Generator Control Module has the latest calibration.
PIC5856B2017-08-15. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on. Technician may find a Diagnostic Trouble Codes P0C57, P0C58 and/or P0C62. When the technician has duplicated and is unable to find a repair after checking wiring and following normal diagnosis, please replace the Motor B Position Sensor to resolve the concern. Also insure that the Drive Motor Generator Control Module has the latest calibration.
PIC5856A2017-08-15. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles that may have Check Engine Lamp with a current or history Diagnostic Trouble Codes P0C57, P0C58 and/or P0C62 set. If the concern is duplicate and no issues are found with the wiring and no resolution with normal diagnostics then replace the Motor B position sensor. Dealer may need to contact General Motors Technical Assistance Center for assistance due to part restriction.
PIC5856D2017-08-15. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on. Technician may find a Diagnostic Trouble Codes P0C57, P0C58 and/or P0C62. When the technician has duplicated and is unable to find a repair after checking wiring and following normal diagnosis, please replace the Motor B Position Sensor to resolve the concern. Also insure that the Drive Motor Generator Control Module has the latest calibration.

6 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.