DTC P0400-00: Exhaust Gas Recirculation "A" Flow; DTC P0401-9C: Exhaust Gas Recirculation "A" Low / Insufficient Flow; DTC P0402-9B: Exhaust Gas Recirculation "A" High/Excessive Flow [07/2019 - 10/2019]: Wiring Diagram
Refer to DTC P0403-18.
Refer to WIRING DIAGRAM