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Service bulletins for the 2017 Chevrolet Volt

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

1171 on file from NHTSA, as of 2026-10-19.

About P0A7F on the 2017 Chevrolet Volt: what the code means, and the bulletins and recalls about the same components.

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Only bulletins with trouble code: P0A7F are shown. Show all

Bulletins, newest first
172282019-04-22. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN; ENGINE; FUEL/PROPULSION SYSTEM. 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. ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY; POWER TRAIN; ELECTRICAL SYSTEM. 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. ENGINE; HYBRID PROPULSION SYSTEM; ELECTRICAL SYSTEM. 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. ELECTRICAL SYSTEM. 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.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.