DTC CODES

PCode Code Brand Description
P0404 16788 VAG Exhaust Gas Recirc. Contr. Circ Range/Performance
P0405 16789 VAG Exhaust Gas Recirc. Sensor (A) Circ Low Input
P0406 16790 VAG Exhaust Gas Recirc. Sensor (A) Circ High Input
P0407 16791 VAG Exhaust Gas Recirc. Sensor (B) Circ Low Input
P0408 16792 VAG Exhaust Gas Recirc. Sensor (B) Circ High Input
P0410 16794 VAG Sec.Air Inj.Sys Malfunction
P0411 16795 VAG Sec.Air Inj.Sys. Incorrect Flow Detected
P0412 16796 VAG Sec.Air Inj.Sys.Switching Valve A Circ Malfunction
P0418 16802 VAG Sec. Air Inj. Sys. Relay (A) Contr. Circ Malfunction
P0420 16804 VAG Catalyst System,Bank1 Efficiency Below Threshold