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About Trouble Codes
The diagnostic trouble code (DTC) is a code generated by a vehicle’s onboard diagnostics (OBD) system. It’s also known as an OBD code, OBD-II code (the second generation of onboard self-diagnostics), or engine fault code, and it helps narrow down the cause of a specific problem.
There are generic and manufacturer-specific codes. “Generic” means that the trouble code will indicate the same issue across different OBD-II vehicles regardless of make, while”manufacturer-specific” means the code is specific to the vehicle manufacturer.
List of Common Trouble Codes
- P0010: Intake Camshaft Actuator Circuit (Bank 1)
P0011: Intake Camshaft Timing Over-Advanced
P0012: Intake Camshaft Timing Over-Retarded
P0013: Exhaust Camshaft Actuator Circuit (Bank 1)
P0014: Exhaust Camshaft Timing Over-Advanced
P0016: Intake Camshaft Position Correlation
P0017: Crankshaft Position – Camshaft Position Correlation
P0030: HO2S Heater Control Circuit (Bank 1 Sensor 1)
P0031: HO2S Heater Control Circuit Low (Bank 1 Sensor 1)
P0036: HO2S Heater Control Circuit (Bank 1 Sensor 2)
P0037: HO2S Heater Control Circuit Low (Bank 1 Sensor 2)
P0087: Fuel Rail/System Pressure Too Low
P0101: MAF Performance Problem
P0102: MAF Circuit Low Input
P0106: MAP Sensor Electric Circuit Performance Problem
P0108: MAP Sensor Circuit High Input
P0113: IAT Sensor Circuit High Input
P0118: ECT Sensor Circuit High Input
P0121: TP Sensor A Circuit Range Performance Problem
P0122: TP Sensor A Circuit Low Input
P0123: TP Sensor A Circuit High Input
P0128: Faulty Engine Coolant Temperature
P0131: O2 Sensor Circuit Low Voltage (Bank 1 Sensor 1)
P0134: O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 1)
P0135: O2 Sensor Heater Circuit Malfunction (Bank 1 Sensor 1)
P0137: O2 Sensor Circuit Low Voltage (Bank 1 Sensor 2)
P0138: O2 Sensor Circuit High Voltage (Bank 1, Sensor 2)
P0141: O2 Sensor Heater Circuit Malfunction (Bank 1 Sensor 2)
P0155: O2 Sensor Heater Circuit Malfunction (Bank 2 Sensor 1)
P0161: O2 Sensor Heater Circuit Malfunction (Bank 2 Sensor 2)
P0171: System Too Lean (Bank 1)
P0172: System Too Rich (Bank 1)
P0174: System Too Lean (Bank 2)
P0175: System Too Rich (Bank 2)
P0299: Turbo/Supercharger Underboost Condition
P0300: Random or Multiple Cylinder Misfire Event
P0301: Cylinder 1 Misfire
P0302: Cylinder 2 Misfire
P0303: Cylinder 3 Misfire
P0304: Cylinder 4 Misfire
P0305: Cylinder 5 Misfire
P0306: Cylinder 6 Misfire
P0316: Misfire Detected On Startup (First 1000 Revolutions)
P0325: Knock Sensor Circuit Malfunction (Sensor 1 Bank 1)
P0332: Knock Sensor Circuit Low Input (Sensor 2 Bank 2)
P0335: Crankshaft Position Sensor “A” Circuit Malfunction
P0340: Camshaft Position Sensor Circuit Malfunction
P0341: Camshaft Position Sensor Signal Out of Range
P0351: Ignition Coil A Primary/Secondary Circuit Malfunction
P0352: Ignition Coil B Primary/Secondary Circuit Malfunction
P0353: Ignition Coil C Primary/Secondary Circuit Malfunction
P0354: Ignition Coil D Primary or Secondary Circuit Malfunction
P0401: EGR Flow Insufficient Detected
P0420: Catalyst System Efficiency Below Threshold (Bank 1)
P0430: Catalyst System Efficiency Below Threshold (Bank 2)
P0440: EVAP System Malfunction
P0441: EVAP System Incorrect Purge Flow
P0442: EVAP System Leak Detected (Small Leak)
P0443: EVAP System Purge Control Valve Circuit Malfunction
P0446: EVAP System Vent Control Circuit Malfunction
P0449: EVAP System Vent/Valve Solenoid Circuit
P0451: EVAP System Pressure Sensor Range/Performance
P0455: EVAP System Gross Fuel Vapor Leak
P0456: EVAP System Leak
P0457: EVAP System Leak Detected (Fuel Cap Loose/Off)
P0463: Fuel Level Sensor Circuit High Input
P0496: EVAP Flow During A Non-Purge Condition
P0500: Vehicle Speed Sensor (VSS) Malfunction
P0504: Brake Switch A/B Correlation
P0505: Idle Control System Malfunction
P0507: Idle Control System RPM Higher Than Expected
P0520: Engine Oil Pressure Sensor/Switch Circuit Malfunction
P0521: Engine Oil Pressure Sensor/Switch Range/Performance
P0522: Engine Oil Pressure Sensor/Switch Low Voltage
P0562: System Voltage Low
P0571: Cruise Control / Brake Switch A Circuit Malfunction
P0572: Cruise Control / Brake Switch A Circuit Low
P0573: Cruise Control / Brake Switch A Circuit High
P06DD: Engine Oil Pressure Control Circuit Stuck Off
P0700: Transmission Control System Malfunction
P0705: Transmission Range Sensor Circuit Malfunction
P0740: TCC Solenoid Circuit/Open Circuit Malfunction
P0741: TCC Solenoid Circuit Performance
P1101: MAF Sensor Out of Self-Test Range
P2096: Post Catalyst Fuel Trim System Too Lean (Bank 1)
P2097: Post Catalyst Fuel Trim System Too Rich (Bank 1)
P2135: TP Sensor/Switch A/B Voltage Correlation
P2138: TP Sensor/Switch D/E Voltage Correlation
P2195: O2 Sensor Signal Stuck Lean (Bank 1 Sensor 1)
P2196: O2 Sensor Signal Stuck Rich (Bank 1 Sensor 1)
P2646: ‘A’ Rocker Arm Actuator System Performance (Bank 1)
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