2013 Chevrolet Volt Recall: An update to the Hybrid Powertrain Control Module 2 (HPCM2) may have…
NHTSA campaign 18V397000 · Hybrid Propulsion System · filed Jun 14, 2018 · verified Sep 14, 2026
The 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.
The risk
If the voltage drops, the vehicle may lose propulsion, increasing the risk of crash.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →The fix — what to do
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.
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.
Affected vehicles
Related recalls
More Chevrolet Volt recalls
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Other campaigns involving Chevrolet vehicles
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Source: NHTSA recall database, campaign 18V397000 (manufacturer number 18215). Data last verified Sep 14, 2026.