NHTSA campaign 18V397000 · Manufacturer campaign 18215
Chevrolet Recall 18V-397: Loss of Propulsion Power in Low Voltage Condition
NHTSA recall 18V397000 (Manufacturer campaign 18215) was reported by General Motors LLC on June 14, 2018, with 4,606 vehicles potentially affected (per NHTSA). NHTSA's record lists the Chevrolet Volt for the 2013 model year. Owners were notified on July 24, 2018, per NHTSA.
Updated daily from NHTSA's recall files
Is my vehicle included?
This page lists, by model year, the vehicles NHTSA's recall record names for campaign 18V397000 in the model years try.vin imports (1995 and later); NHTSA's own record can list more. A model year on the list doesn't mean every vehicle of that year is included, and some may already have been repaired.
To see whether a specific vehicle is included and still needs the repair, enter its VIN at nhtsa.gov/recalls.
Chevrolet VIN check: decode a VIN to see its year, make and model.
Key facts
- NHTSA campaign
- 18V397000 (also written 18V-397 or 18V397)
- Filed by
- General Motors LLC
- Manufacturer campaign number
- 18215
- Report received
- Potentially affected
- 4,606 vehicles (per NHTSA)
- Component
- Hybrid Propulsion System
- Owners notified
Repair completion: 88.42% (latest rate the manufacturer reported to NHTSA; dataset updated October 21, 2026)
NHTSA cautions against comparing completion rates across recalls or manufacturers. How try.vin reads them.
Vehicles listed for this recall
NHTSA's recall record lists these vehicles for recall 18V397000. try.vin imports model years 1995 and later, so NHTSA's own list can be longer. Model years with a try.vin recall page link to it. Build dates are NHTSA's range for a model year (per NHTSA); a vehicle built in that range is not necessarily included.
Chevrolet
Chevrolet Volt
- 2013 · Vehicles built May 1, 2012 – June 26, 2013 (per NHTSA)
NHTSA's recall notice
As NHTSA's recall record states it for campaign 18V397000.
Defect description
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.
Safety consequence
If the voltage drops, the vehicle may lose propulsion, increasing the risk of crash.
Manufacturer 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.
Sources
Official NHTSA notice for recall 18V397000
Campaign details come from NHTSA's recall files, which try.vin imports once a day. The plain-language subject and the completion rate come from the U.S. Department of Transportation's Recalls Data dataset. How try.vin reads recall data.