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June 14, 2018 NHTSA CAMPAIGN NUMBER: 18V397000
Loss of Propulsion Power in Low Voltage Condition
If the voltage drops, the vehicle may lose propulsion, increasing the risk of crash.
NHTSA Campaign Number: 18V397
Manufacturer General Motors LLC
Components HYBRID PROPULSION SYSTEM
Potential Number of Units Affected 4,606
Summary
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.
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 towww.safercar.gov.