Subaru TSB #11-197-20
2016 Subaru Impreza
Affected Component: ELECTRICAL SYSTEM
- Summary
- This bulletin announces availability of reprogramming files to optimize the Engine Control Module (ECM). These new files address concerns of the check engine light coming on and setting a DTC P0400: EGR “A†FLOW. The DTC can set if the ECM tests the EGR system when ambient / intake air temperatures are below freezing.