P0405 is for (Exhaust Gas Recirculation Sensor Circuit "A" Low) DTC P0406 is for (Exhaust Gas Recirculation Sensor Circuit "A" High) This would indicate a problem with the EGR valve sensor, or the EGR
...EGR) Flow Insufficient Conditions for Running the DTC DTCs P0101, P0102, P0103, P0107, P0108, P0112, P0113, P0116, P0117, P0118, P0121, P0122, P0123, P0403, P0404, P0405, P0406, P0502, P0503, P0506, ...
Question about Cars & Trucks
...a good quality / OEM one) Replace the EGR valve Related EGR codes: P0400, P0402, P0403, P0404, P0405, P0406, P0407, P0408, P0409 Read more at: http://www.obd-codes.com/p0401 Copyright © ...
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