TSB: SERVICE ACTION: OPTIMA (TF) EWGA INSPECTION AND ADJUSTMENT (SA078) - On some Optima (TF) vehicles with a 2.0 T-GDI engine produced from November 1, 2010 to March 18, 2011, the Malfunction Indicator Light (MIL) may illuminate with DTC P2562 and/or P2565. Inspect the voltage value for boost pressure actuator position control by using GDS.
