NHTSA recall 18V397000
A recall listed here may apply to a vehicle of this year, make and model. Only the manufacturer can say whether it applies to one vehicle: check the VIN with the official lookups.
| Published by | NHTSA (United States) |
|---|---|
| Campaign number | 18V397000 |
| Manufacturer's number | 18215 |
| Manufacturer | General Motors LLC |
| Reported | 2018-06-14 |
| Owners notified | 2018-07-24 |
| Component | HYBRID PROPULSION SYSTEM |
| Units potentially affected | 4606 |
| Report | Quarterly report 7, for 2020 quarter 1 |
|---|---|
| Filed with NHTSA | 2020-04-17 |
| Vehicles in the campaign | 4606 |
| Reported remedied | 4071 (88%) |
| Reported unreachable | 28 |
| Reported removed | 2 |
These are the manufacturer's totals for the whole campaign at the end of 2020 quarter 1, as filed with NHTSA. They do not say whether one vehicle has been remedied: check the VIN with the official lookups. The reports are from data as of 2026-10-19.
What is wrong
General Motors LLC (GM) is recalling certain 2013 Chevrolet Volt vehicles. An update to the Hybrid Powertrain Control Module 2 (HPCM2) may have disabled the cell balancing function causing a low-voltage condition.
What can happen
If the voltage drops, the vehicle may lose propulsion, increasing the risk of crash.
The remedy
GM will notify owners, and dealers will reprogram the HPCM2, free of charge. The recall began July 24, 2018. Owners may contact Chevrolet customer service at 1-800-222-1020. GM's number for this recall is 18215.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
| 2013 CHEVROLET VOLT | Built 2012-05-01 to 2013-06-26. |
|---|
A vehicle with no link is not in this site's catalog, which covers cars, multipurpose vehicles and trucks by model year. The campaign is from data as of 2026-10-19.
Bulletins for the same vehicles and component
| 14114 | 2023-12-18. Service bulletin. RESS Battery Coolant Level Low |
|---|---|
| PIC5523C | 2023-12-11. Service bulletin. Diagnostic Tip Vehicle Will Not Crank Waiting To Initialize Message. |
| 120845001A | 2023-12-04. Service bulletin. Diagnostic Information for Intermittent 110/220V AC Plug-In Charging |
| 120089008 | 2023-12-04. Service bulletin. High Voltage Battery Section Serviceability - Essential Tool EL-50332 |
| 19NA079 | 2019-10-28. Service bulletin. This technical bulletin provides repair information to correct a customer concern of a Propulsion Power is Reduced message displayed in the DIC and without DTCs set on higher mileage vehicles by reprogramming the HPCM 2. |
| 19NA079 | 2019-07-29. Service bulletin. This technical bulletin provides repair information to correct a customer concern of a Propulsion Power is Reduced message displayed in the DIC and without DTCs set on higher mileage vehicles by reprogramming the HPCM 2. |
| PIP4869D | 2018-06-04. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles that display a ?Propulsion Power is Reduced? in the Driver Information Center when driving in the mountains. Dealer should advise the customer the vehicle should be placed in Mountain Mode on the vehicle when the vehicle has a full charge if their travel plans involve mountainous driving before the next charge event. |
| PIC5920C | 2017-12-22. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles that will not charge and Service Engine Soon Malfunction Indicator Lamp on. Technician may find Diagnostic Trouble Codes P0AA6 and/ or a P1F0E set on 2011-2013 Volt or a P0DAA on 2014 Volt or Cadillac ELR in the Hybrid Powertrain Control Module 2. Technician will need to inspect the coolant level in the Hybrid/EV Battery Pack. If the coolant is found low follow published Service Information diagnostics. Technician will need to inspect the Hybrid/EV Battery Pack drain plug, located on the battery tray, regardless of fluid level at the Hybrid/EV Battery Pack coolant reservoir. If any moisture is found during the drain plug inspection, contact the General Motors Technical Assistance Center for further assistance. If the coolant level in cooling system is at the proper level and there is no moisture in the battery during the drain plug inspection, and the coolant freeze protection is between -10 and -40 degrees Fahrenheit, then update the Hybrid Powertrain Control Module2 and Battery Energy Control Module with the latest Calibrations in TIS-2-Web. Technician will need to gather all measurements recorded while evaluating Diagnostic Trouble Code P0AA6 and contact the GM Technical Assistance Center for further assistance. |
| PIC5920B | 2017-12-22. Service bulletin. This Preliminary Information communication provides information to the technician about vehicles that will not charge and Service Engine Soon Malfunction Indicator Lamp on. Technician may find Diagnostic Trouble Codes P0AA6 and/ or a P1F0E set on 2011-2013 Volt or a P0DAA on 2014 Volt or Cadillac ELR in the Hybrid Powertrain Control Module 2. Technician will need to inspect the coolant level in the Hybrid/EV Battery Pack. If the coolant is found low follow published Service Information diagnostics. Technician will need to inspect the Hybrid/EV Battery Pack drain plug, located on the battery tray, regardless of fluid level at the Hybrid/EV Battery Pack coolant reservoir. If any moisture is found during the drain plug inspection, contact the General Motors Technical Assistance Center for further assistance. If the coolant level in cooling system is at the proper level and there is no moisture in the battery during the drain plug inspection, and the coolant freeze protection is between -10 and -40 degrees Fahrenheit, then update the Hybrid Powertrain Control Module2 and Battery Energy Control Module with the latest Calibrations in TIS-2-Web. Technician will need to gather all measurements recorded while evaluating Diagnostic Trouble Code P0AA6 and contact the GM Technical Assistance Center for further assistance. |
| PIC6292 | 2017-08-15. Service bulletin. This Preliminary information communicates that aPropulsion Power is reduced message occurs during regular operation, and there are no DTCs present, then contact GM Technical Assistance for direction |
A bulletin is the manufacturer's note to its dealers. It is not part of this recall.