DTC U0122 and Hesitation at Highway Speeds- ECM Reprogramming File Availability – 2019 Subaru Ascent

2019 Subaru Ascent

NHTSA ID Number: 10160487 Manufacturer Communication Number: 11-190-19R Summary This bulletin announces availability of ECM reprogramming files to optimize the ECM. This bulletin announces availability of ECM reprogramming files to optimize the ECM. The new files contain logic which will revise: (1) the ECM detection of DTC U0122; (2) the EGR flow rate to address a limited … Read more