Chevrolet Volt Transmission Problems

Transmission complaints by model year

Which parts fail

• Automatic transmission › Lever and linkage › Floor shift
  19
• Automatic transmission › Gear position indication (PRNDL)
  1

Components named in complaints (automatic and manual transmissions, CVT, axles, driveshaft, 4WD/AWD).

Mileage when the problem started

• Under 25k
  5429%
• 25k–50k
  7340%
• 50k–75k
  3318%
• 75k–100k
  127%
• 100k–150k
  116%
• 150k+
  11%

What owners report

The contact owns a 2019 Chevrolet Volt. The contact stated that while the vehicle was shifted to park(P), the message to "Shift to Park" remained displayed. The contact was unable to turn off the vehicle. The contact stated that for approximately 10 minutes, the gear shifter was shifted out of and back into park to be able to turn off the vehicle. The dealer was not contacted. The vehicle was not diagnosed or repaired. The manufacturer was made aware of the failure. The failure mileage was approximately 35,000.

Vehicle lost propulsion and all power mid turn at approximately 45mph. Powe steering and assisted brakes were gone. Conditions were rainy, resulting in single car crash. Car did not restart. No codes present. Occurred again after repairs at 70mph on highway. Codes P0AC4 and P0C0E indicating Drive Motor Power Inverter B. Despite being under warranty, GM cannot repair, and has no replacement parts. GM has ignored messages requesting buyback per federal law.

The contact owns a 2018 Chevrolet Volt. The contact stated that while the vehicle was parked and shifted to park(P), the message "Shift to Park" was displayed on the instrument panel and the vehicle was inoperative. The contact stated that the vehicle was operative while in low power mode; however, the vehicle intermittently failed to charge in low power mode. No warning light was illuminated. However, the vehicle displayed the full battery icon on the display, but 1 EV Mile. The vehicle was taken to an independent mechanic 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 failure mileage was approximately 11,000.

The contact owns a 2018 Chevrolet Volt. The contact stated that while the gear shifter was in PARK, the shift to park warning light illuminated and the vehicle failed to turn off or change gears. The vehicle was taken to the dealer where it was diagnosed that the gear shifter assembly mechanism failed and needed to be replaced. The vehicle was repaired however, the failure recurred. The manufacturer was not notified of the failure. The failure mileage was approximate 28,995.

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 contact owns a 2017 Chevrolet Volt. The contact stated that after arriving at the destination and moving the shifter into park(P), the message "Shift to Park" was displayed. The contact became aware that with the message displayed the vehicle would not start. The contact disconnected and reconnected the 12-Volt battery to reset the system, enabling the vehicle to start. The contact stated that after starting the vehicle, the vehicle returned to normal functionality, but the failure became a regular occurrence. No warning lights were illuminated. The vehicle was taken to the dealer, who diagnosed a failure with the Battery Energy Control Module. The vehicle was not repaired. The manufacturer was notified of the failure, a case was opened, and the contact was referred to the NHTSA Hotline for assistance. The failure mileage was 96,000.

The contact owns a 2016 Chevrolet Volt. The contact stated that while starting and driving at an undisclosed speed, the "Reduced Propulsion" message was displayed. Additionally, after parking the vehicle, the "Shift To Park" message was displayed, and the vehicle failed to turn off. The contact pressed the Start/Stop button and then opened and closed the front driver's side door to turn off the vehicle. The vehicle later failed to charge and start as needed. The vehicle was towed to the dealer, where it was determined that the Battery Energy Control Module (BECM) needed to be replaced; however, the part was on backorder. The vehicle was not repaired. The manufacturer was made aware of the failure and a case was opened. The failure mileage was approximately 83,574. The VIN was unavailable.

I had just left my house about to enter the on-ramp to Interstate 95 south when my 2016 Volt abruptly and without warning stopped. I was unable to coast or pull the car to the side of the road. I was in the middle of the lane in a dangerous place to stop a car and a dangerous place to get out of the car due to the steady traffic entering the interstate. My car would not restart and I had it towed to the Portsmouth NH Chevy dealer. As it was the beginning of the GM strike I had to wait several days for the replacement battery control sensor then I had to wait for another 4 weeks or so for a replacement transmission to be installed. The day after I got my car back, about 2 weeks ago, the transmission fluid was leaking onto the garage floor. The Chevy dealer has ordered new transmission hoses but only one has come in and I was told not to drive my car until these were replaced. …