NHTSA (USA)Critical
2013 CHEVROLET VOLTNHTSA Campaign #18V397000
The official notice
Defect
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 Risk
If the voltage drops, the vehicle may lose propulsion, increasing the risk of crash.
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.
4,606 vehicles affectedMfr ref: 18215Updated June 10, 2026