SUBARU
11-197-20
Manufacturer communications
- Publication date
- 2020-02-11
- Received by NHTSA
- 2020-03-02
- NHTSA record numbers
- 10171917
Manufacturer summary
Original wording in English
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.
Reported code forms
Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
Subaru
P0400EGR “A” FLOWCheck vehicle applicability
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.