# 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

## 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.


## Remedy progress the manufacturer reported

- 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.

## Vehicles this campaign lists

- [2013 CHEVROLET VOLT](/makes/chevrolet/volt/2013/recalls.md). Built 2012\-05\-01 to 2013\-06\-26.

## Bulletins for the same vehicles and component

A bulletin is the manufacturer's note to its dealers. It is not part of this recall.

- [14114](/bulletins/10247314.md), 2023-12-18, Service bulletin
- [PIC5523C](/bulletins/10246946.md), 2023-12-11, Service bulletin
- [120845001A](/bulletins/10245782.md), 2023-12-04, Service bulletin
- [120089008](/bulletins/10245764.md), 2023-12-04, Service bulletin
- [19NA079](/bulletins/10166652.md), 2019-10-28, Service bulletin
- [19NA079](/bulletins/10163235.md), 2019-07-29, Service bulletin
- [PIP4869D](/bulletins/10139344.md), 2018-06-04, Service bulletin
- [PIC5920C](/bulletins/10125943.md), 2017-12-22, Service bulletin
- [PIC5920B](/bulletins/10125935.md), 2017-12-22, Service bulletin
- [PIC6292](/bulletins/10114075.md), 2017-08-15, Service bulletin

## Check a VIN

- [NHTSA recall lookup by VIN, United States](https://www.nhtsa.gov/recalls)
- [Transport Canada recall search, Canada](https://wwwapps.tc.gc.ca/Saf-Sec-Sur/7/VRDB-BDRV/search-recherche/menu.aspx?lang=eng)

JSON: [/v1/recalls/nhtsa/18V397000](/v1/recalls/nhtsa/18V397000)

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