P04xx · Auxiliary emission controls

P0400 Exhaust Gas Recirculation Flow Malfunction Powertrain P0401 EGR Flow Insufficient Detected Powertrain P0402 EGR Flow Excessive Detected Powertrain P0403 EGR Circuit Malfunction Powertrain P0404 EGR Circuit Range/Performance Powertrain P0405 EGR Sensor A Circuit Low Powertrain P0406 EGR Sensor A Circuit High Powertrain P0407 Exhaust Gas Recirculation Sensor 'B' Circuit Low Powertrain P0408 Exhaust Gas Recirculation Sensor 'B' Circuit High Powertrain P0409 Exhaust Gas Recirculation Sensor 'A' Circuit Powertrain P040A EGR Temperature Sensor A Circuit Powertrain P040B EGR Temperature Sensor A Circuit Range/Performance Powertrain P040C EGR Temperature Sensor A Circuit Low Powertrain P040D EGR Temperature Sensor A Circuit High Powertrain P040E EGR Temperature Sensor A Circuit Intermittent/Erratic Powertrain P040F EGR Temperature Sensor A/B Correlation Powertrain P0410 Secondary Air Injection System Malfunction Powertrain P0411 Secondary Air Injection System Incorrect Flow Powertrain P0412 Secondary Air Injection System Switching Valve 'A' Circuit Powertrain P0413 Secondary Air Injection System Switching Valve 'A' Circuit Open Powertrain P0414 Secondary Air Injection System Switching Valve 'A' Circuit Shorted Powertrain P0415 Secondary Air Injection System Switching Valve 'B' Circuit Powertrain P0416 Secondary Air Injection System Switching Valve 'B' Circuit Open Powertrain P0417 Secondary Air Injection System Switching Valve 'B' Circuit Shorted Powertrain P0418 Secondary Air Injection System Control 'A' Circuit Powertrain P0419 Secondary Air Injection System Control 'B' Circuit Powertrain P041A EGR Temperature Sensor B Circuit Powertrain P041B EGR Temperature Sensor B Circuit Range/Performance Powertrain P041C EGR Temperature Sensor B Circuit Low Powertrain P041D EGR Temperature Sensor B Circuit High Powertrain P041E EGR Temperature Sensor B Circuit Intermittent/Erratic Powertrain P041F AIR System Switching Valve A Circuit Low Powertrain P0420 Catalyst System Efficiency Below Threshold (Bank 1) Powertrain P0421 Warm Up Catalyst Efficiency Below Threshold (Bank 1) Powertrain P0422 Main Catalyst Efficiency Below Threshold (Bank 1) Powertrain P0423 Heated Catalyst Efficiency Below Threshold (Bank 1) Powertrain P0424 Heated Catalyst Temperature Below Threshold (Bank 1) Powertrain P0425 Catalyst Temperature Sensor (Bank 1) Powertrain P0426 Catalyst Temperature Sensor Range/Performance (Bank 1) Powertrain P0427 Catalyst Temperature Sensor Low (Bank 1) Powertrain P0428 Catalyst Temperature Sensor High (Bank 1) Powertrain P0429 Catalyst Heater Control Circuit (Bank 1) Powertrain P042A Catalyst Temperature Sensor Circuit Bank 1 Sensor 2 Powertrain P042B Catalyst Temperature Sensor Circuit Range/Performance Bank 1 Sensor 2 Powertrain P042C Catalyst Temperature Sensor Circuit Low Bank 1 Sensor 2 Powertrain P042D Catalyst Temperature Sensor Circuit High Bank 1 Sensor 2 Powertrain P042E EGR A Control Stuck Open Powertrain P042F EGR A Control Stuck Closed Powertrain P0430 Catalyst System Efficiency Below Threshold (Bank 2) Powertrain P0431 Warm Up Catalyst Efficiency Below Threshold Powertrain P0432 Main Catalyst Efficiency Below Threshold (Bank 2) Powertrain P0433 Heated Catalyst Efficiency Below Threshold (Bank 2) Powertrain P0434 Heated Catalyst Temperature Below Threshold (Bank 2) Powertrain P0435 Catalyst Temperature Sensor (Bank 2) Powertrain P0436 Catalyst Temperature Sensor Range/Performance (Bank 2) Powertrain P0437 Catalyst Temperature Sensor Low (Bank 2) Powertrain P0438 Catalyst Temperature Sensor High (Bank 2) Powertrain P0439 Catalyst Heater Control Circuit (Bank 2) Powertrain P043A Catalyst Temperature Sensor Circuit Bank 2 Sensor 2 Powertrain P043B Catalyst Temperature Sensor Circuit Range/Performance Bank 2 Sensor 2 Powertrain