DTC Description / Detecting Condition / Confirmation Procedure
WARNING: This page is about a different car, the 2006 Suzuki XL-7. However, it is still accessible from the selected car via links, so may be relevant.
P0401, P0402
Refer to DTC P0401 / P0402: Exhaust Gas Recirculation Flow Insufficient Detected / Excessive Detected .
P0403
Refer to DTC P0403: Exhaust Gas Recirculation Control Circuit .