
Below is a detailed table of common Honda DTCs, categorized by their function or system to help you identify and address vehicle issues effectively:
| Code | Description |
|---|---|
| P0001 | Fuel Volume Regulator Control Circuit/Open |
| P0010 | Camshaft Position Actuator Circuit/Open (Bank 1) |
| P0011 | Camshaft Position Timing Over-Advanced or System Performance (Bank 1) |
| P0030 | Heated Oxygen Sensor (HO2S) Heater Control Circuit (Bank 1, Sensor 1) |
| P0101 | Mass Airflow (MAF) Circuit Range/Performance |
| P0102 | Mass Airflow (MAF) Circuit Low Input |
| P0113 | Intake Air Temperature (IAT) Sensor Circuit High Input |
| P0128 | Coolant Thermostat Temperature Below Thermostat Regulating Temperature |
| P0171 | System Too Lean (Bank 1) |
| P0172 | System Too Rich (Bank 1) |
| P0300 | Random/Multiple Cylinder Misfire Detected |
| P0301 | Cylinder 1 Misfire Detected |
| P0340 | Camshaft Position Sensor Circuit Malfunction |
| P0420 | Catalyst System Efficiency Below Threshold (Bank 1) |
| P0455 | Evaporative Emission System Leak Detected (Large Leak) |
| P0500 | Vehicle Speed Sensor Malfunction |
| P0562 | System Voltage Low |
| P0700 | Transmission Control System Malfunction |
| P0740 | Torque Converter Clutch Circuit/Open |
| P1259 | Variable Valve Timing Control System Malfunction |
| P1456 | Evaporative Emission Control System Leak Detected (Fuel Tank Area) |
| P1607 | Engine Control Module Internal Circuit Malfunction |
| P2101 | Throttle Actuator Control Motor Circuit Range/Performance |
| P2185 | Engine Coolant Temperature Sensor 2 Circuit High |
| U0101 | Lost Communication With Transmission Control Module (TCM) |
| U0121 | Lost Communication With ABS Module |
Key Systems Covered:
- Powertrain System DTCs: Issues with engine or transmission.
- Emission System DTCs: Related to sensors ensuring emissions compliance.
- Fuel and Air System DTCs: Focus on air intake, fuel delivery, and exhaust.
- Electrical and Communication DTCs: Covers modules, sensors, and wiring faults.





