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).
