P0400-P0499
- P0428 Catalyst Temperature Sensor High (Bank 1, Sensor 1)
- P0429 Catalyst Heater Control Circuit (Bank 1)
- P042A Catalyst Temperature Sensor Circuit (Bank 1 Sensor 2)
- P042B Catalyst Temperature Sensor Circuit Range/Performance (Bank 1 Sensor 2)
- P042C Catalyst Temperature Sensor Circuit Low (Bank 1 Sensor 2)
- P042D Catalyst Temperature Sensor Circuit High (Bank 1 Sensor 2)
- P042E Exhaust Gas Recirculation “A” Control Stuck Open
- P042F Exhaust Gas Recirculation “A” Control Stuck Closed
- P0430 Catalyst System Efficiency Below Threshold (Bank 2)
- P0431 Warm Up Catalyst Efficiency Below Threshold (Bank 2)