GM Volt Forum banner
hscs error code
1-1 of 1 Results
  1. Generation 1 Volt (2011-2015)
    2012 out of warranty (111k miles). High Voltage Charging System error with the P1E00, P1FFF, and P0A66 codes. Serviced three times. Sensor replaced the second time. The code returns within a day except after the sensor was replaced. Then it took about a week for the HVCS error to return. In...
1-1 of 1 Results