Service update (revised).

Bulletin number

00540A

Component

Electrical system: 12v/24v/48v battery

Summary

00540a - service update (revised). This bulletin has been revised to include a labor operation and instructions to inspect for the correct calibration. A service procedure to reprogram the power inverter module with an active damping calibration on certain 2016 model year chevrolet volt vehicles is provided. These vehicles may experience a light surge “chuggle” sensation while driving in charge sustaining mode (battery depleted) at speeds of 35-65 MPH (55-105 kmh).

Owners of these vehicles have filed 78 complaints in the electrical category.