TECHNICAL SERVICE BULLETIN:1.6L T-GDI WITH MIL ON DTC P00B7 ECM LOGIC IMPROVEMENT & A/C TORQUE DEMAND - This bulletin provides the procedure to update the software logic of the Engine Control Module (ECM) system on some 2021-2022MY K5 (DL3a) vehicles equipped with the Gamma 1.6L T-GDI engine produced from March 27, 2020 through January 10, 2022, which may exhibit an MIL ON with DTC P00B7 and/or RPM fluctuation and possible stalling when turning A/C 'OFF' while vehicle is parked.
