OBD2 trouble code reference
8,157 codes across 1 prefix groups on this page.
P0xxx
- P040DExhaust Gas Recirculation Temperature Sensor "A" Circuit Highpowertrain
- P040EExhaust Gas Recirculation Temperature Sensor "A" Circuit Intermittent/Erraticpowertrain
- P040FExhaust Gas Recirculation Temperature Sensor "A"/"B" Correlationpowertrain
- P0410Secondary Air Injection System Malfunctionpowertrain
- P0411Secondary Air Injection System Incorrect Flow Detectedpowertrain
- P0412Secondary Air Injection System Switching Valve A Circuit Malfunctionpowertrain
- P0413Secondary Air Injection System Switching Valve "A" Circuit Openpowertrain
- P0414Secondary Air Injection System Switching Valve "A" Circuit Shortedpowertrain
- P0415Secondary Air Injection System Switching Valve "B" Circuit Malfunctionpowertrain
- P0416Secondary Air Injection System Switching Valve "B" Circuit Openpowertrain
- P0417Secondary Air Injection System Switching Valve "B" Circuit Shortedpowertrain
- P0418Secondary Air Injection System Relay "A" Circuit Malfunctionpowertrain
- P0419Secondary Air Injection System Relay "B" Circuit Malfunctionpowertrain
- P041AExhaust Gas Recirculation Temperature Sensor "B" Circuitpowertrain
- P041BExhaust Gas Recirculation Temperature Sensor "B" Circuit Range/Performancepowertrain
- P041CExhaust Gas Recirculation Temperature Sensor "B" Circuit Lowpowertrain
- P041DExhaust Gas Recirculation Temperature Sensor "B" Circuit Highpowertrain
- P041EExhaust Gas Recirculation Temperature Sensor "B" Circuit Intermittent/Erraticpowertrain
- P041FSecondary Air Injection System Switching Valve "A" Circuit Lowpowertrain
- P0420Catalyst System Efficiency Below Threshold (Bank 1)powertrain
- P0421Warm Up Catalyst Efficiency Below Threshold (Bank 1)powertrain
- P0422Main Catalyst Efficiency Below Threshold (Bank 1)powertrain
- P0423Heated Catalyst Efficiency Below Threshold (Bank 1)powertrain
- P0424Heated Catalyst Temperature Below Threshold (Bank 1)powertrain
- P0425Catalyst Temperature Sensor (Bank 1)powertrain
- P0426Catalyst Temperature Sensor Range/Performance (Bank 1)powertrain
- P0427Catalyst Temperature Sensor Low Input (Bank 1)powertrain
- P0428Catalyst Temperature Sensor High Input (Bank 1)powertrain
- P0429Catalyst Heater Control Circuit (Bank 1)powertrain
- P042ACatalyst Temperature Sensor Circuit (Bank 1 Sensor 2)powertrain
- P042BCatalyst Temperature Sensor Circuit Range/Performance (Bank 1 Sensor 2)powertrain
- P042CCatalyst Temperature Sensor Circuit Low (Bank 1 Sensor 2)powertrain
- P042DCatalyst Temperature Sensor Circuit High (Bank 1 Sensor 2)powertrain
- P042EExhaust Gas Recirculation "A" Control Stuck Openpowertrain
- P042FExhaust Gas Recirculation "A" Control Stuck Closedpowertrain
- P0430Catalyst System Efficiency Below Threshold (Bank 2)powertrain
- P0431Warm Up Catalyst Efficiency Below Threshold (Bank 2)powertrain
- P0432Main Catalyst Efficiency Below Threshold (Bank 2)powertrain
- P0433Heated Catalyst Efficiency Below Threshold (Bank 2)powertrain
- P0434Heated Catalyst Temperature Below Threshold (Bank 2)powertrain
- P0435Catalyst Temperature Sensor (Bank 2)powertrain
- P0436Catalyst Temperature Sensor Range/Performance (Bank 2)powertrain
- P0437Catalyst Temperature Sensor Low Input (Bank 2)powertrain
- P0438Catalyst Temperature Sensor High Input (Bank 2)powertrain
- P0439Catalyst Heater Control Circuit (Bank 2)powertrain
- P043ACatalyst Temperature Sensor Circuit (Bank 2 Sensor 2)powertrain
- P043BCatalyst Temperature Sensor Circuit Range/Performance Bank 2 Sensor 2)powertrain
- P043CCatalyst Temperature Sensor Circuit Low (Bank 2 Sensor 2)powertrain
- P043DCatalyst Temperature Sensor Circuit High (Bank 2 Sensor 2)powertrain
- P043EEvaporative Emission System Leak Detection Reference Orifice Low Flowpowertrain