MAZDA
01-017-18-3518
Manufacturer communications
- Publication date
- 2018-09-14
- Received by NHTSA
- 2018-10-09
- NHTSA record numbers
- 10145243
Manufacturer summary
Original wording in English
Some customers may experience a check engine light on and DTC P0401:00 stored in memory without any drivability issues. P0401:00 - [PCM] EGR flow insufficient detected. This concern may be caused by the detection logic for the DTC is too sensitive. To eliminate this concern, the control logic of the PCM has been modified.
Reported code forms
Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
Mazda
P0401:00[PCM] EGR flow insufficient detectedCheck vehicle applicability
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.