WenmarOpen by Wenmar Pro

P0A7F on the 2017 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 P0A7F
172282019-04-22. Service bulletin. 17228 - Customer Satisfaction Program. Certain vehicles, equipped with an automatic transmission (RPO MKV), may exhibit a condition where the driver notices a ?Propulsion Power is Reduced? message in the driver information center. This condition is sometimes accompanied by the diagnostic trouble code P0A7F or a significant decrease in actual electric vehicle range. The driver may also notice the engine running at consistently higher power than normal to propel the vehicle and acceleration is slower than expected. Dealers are to reprogram the hybrid powertrain control module 2.
GCUS-3-7732017-12-22. Service bulletin. 16055 Customer Satisfaction Program. Certain vehicles may exhibit a condition where the driver notices a ?Propulsion Power is Reduced? message in the driver information center. This condition is sometimes accompanied by the diagnostic trouble code P0A7F or a significant decrease in actual electric vehicle range. The driver may also notice the engine running at consistently higher power than normal to propel the vehicle and acceleration is slower than expected. Dealers are to reprogram the hybrid powertrain control module 2.
PIC6203A2017-08-15. Service bulletin. This Preliminary Information communication provides information to the technician for vehicles that may have a Service Engine Soon lamp and a current or history Diagnostic Trouble Code P0A7F. Technician will need to Service Programming System program the Hybrid Powertrain Control Module 2.
PIC-62032016-08-25. Service bulletin. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN FOR VEHICLES THAT MAY HAVE A SERVICE ENGINE SOON LAMP AND A CURRENT OR HISTORY DIAGNOSTIC TROUBLE CODE P0A7F. DO NOT CLEAR ANY DIAGNOSTIC TROUBLE CODE OR DISCONNECT THE 12 VOLT BATTERY. TECHNICIAN WILL REVIEW THE FREEZE FRAME DATA AND RECORD THE HIGH VOLTAGE BATTERY 4 DIGIT CAPACITY CODE THEN CONTACT THE TECHNICAL ASSISTANCE CENTER FOR FURTHER INSTRUCTIONS.

4 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.