Table 1 shows one common hybrid propulsion system related problems of the 2017 Chevrolet Volt.
| Problem Category | Number of Problems |
|---|---|
| Hybrid Propulsion System problems |
The contact owns a 2017 Chevrolet Volt. The contact stated that while driving approximately 35 - 40 mph, the message stating that the propulsion was reduced was displayed, and the check engine warning light was illuminated. The contact continued to drive the vehicle, and the vehicle unintendedly decelerated. The contact arrived at the destination and parked the vehicle, and the message “shift to park” was displayed even though the gear shifter was in park(p). The message “charging unavailable” was displayed. The contact stated that while charging the vehicle, the mileage was reduced from 72 miles to approximately 29 miles during the winter months, and 42 miles during the summer months, while still indicating a full charge. The “shift to park” failure had occurred twice the previous year, and the vehicle was turned off and restarted to correct the failure. The vehicle was taken to a certified mechanic, who diagnosed that the hybrid power train control module had failed. The vehicle was not repaired. The manufacturer was notified on the website, and a case was filed; however, a representative was not reached. The failure mileage was approximately 26,500.
The contact owns a 2017 Chevrolet Volt. The contact stated that the vehicle was lagging and hesitating before accelerating. The contact stated that an excessive amount of pressure was needed to depress the accelerator pedal while driving. The contact stated that the vehicle had experienced reduced hybrid propulsion. The contact stated that the check engine warning light was illuminated. The failure was intermittent. The vehicle had not been taken to the dealer. The vehicle was not diagnosed or repaired. The manufacturer had not been made aware of the failure. The failure mileage was 140,000.
The contact owns a 2017 Chevrolet Volt. The contact stated that while attempting to start the vehicle, the vehicle failed to start. The contact mentioned that the electrical hybrid battery failure warning error illuminated, and the check engine warning light was also illuminated. The vehicle was able to start after multiple attempts to switch over to gasoline mode. The vehicle was taken to the dealer where it was diagnosed that the battery energy control module needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure. The approximate failure mileage was 46,000.
The contact owns a 2017 Chevrolet Volt. The contact stated that occasionally at start-up or while driving at various speeds, the "propulsion power reduced," warning message would appear on the instrument panel. Once the warning message would appear, the vehicle would not shift out of first gear. The contact had taken the vehicle to the dealer on numerous occasion; however, the code reader could not diagnose the failure. The manufacturer was notified of the failure and the contact was given a case number. The vehicle had yet to be diagnosed or repaired. The failure mileage was approximately 33,000.