DTC Detecting Condition and Trouble Area
WARNING: This page is about a different car, the 2007 Suzuki Grand Vitara. However, it is still accessible from the selected car via links, so may be relevant.
DTC DETECTING CONDITION TABLE
| DTC detecting condition | Trouble area |
|---|---|
| DTC P0401: Exhaust Gas Recirculation Flow Insufficient Detected MAP variation is 0.67 kPa or less when EGR valve is either opened or closed. (2 driving cycle detection logic, monitoring once per driving cycle) |
|
| DTC P0402: Exhaust Gas Recirculation Flow Excessive Detected MAP variation is 8.7 kPa or more when EGR valve is either opened or closed. (2 driving cycle detection logic, monitoring once per driving cycle) |