Honda-Enhanced Trouble Code Lookup
Search 30 Honda-specific P1xxx codes for what they mean, what causes them, and how to fix them. For generic P0xxx codes, see OBD Codes List.
How to read a Honda code
- Pull the code — connect an OBD-II scanner and note Honda-enhanced codes (P1xxx) alongside any generic P0xxx codes.
- Look it up — enter the full code or a keyword like “VTEC” or “air fuel” in the search box above.
- Check Honda patterns — every page lists the failures these codes show most on Civic, Accord, CR-V, Odyssey and other Honda vehicles.
- Diagnose before you spend — follow the step-by-step guidance and confirm with live data before replacing parts.
What is Honda OBD Codes?
Honda OBD Codes is a free, no-sign-up lookup for Honda-enhanced diagnostic trouble codes — the manufacturer-specific P1xxx powertrain codes covering VTEC/VTC valve timing, air/fuel sensors, ETCS electronic throttle, igniters, EVAP and automatic transmissions. Each page explains what the code means on Honda and Acura vehicles, how serious it is, what usually causes it, and a safe order of steps to check and fix it.
Popular Honda codes
All Honda codes
- P1009 — Variable Valve Timing Control Advance Malfunction
- P1077 — Intake Manifold Air Control Valve Stuck in High RPM Position
- P1157 — Air/Fuel Sensor Bank 1 Circuit Malfunction
- P1166 — Air/Fuel Sensor Front Heater Circuit Malfunction
- P1201 — Fuel System Failure Caused No. 1 Cylinder Misfire
- P1078 — Intake Manifold Air Control Valve Stuck in Low RPM Position
- P1279 — VTEC System Malfunction (Front Bank 2)
- P1286 — Rocker Arm Oil Pressure Sensor Signal Stuck Low
- P1297 — Electrical Load Detector Circuit Low Voltage
- P1300 — Random Misfire (Honda Enhanced)
- P1310 — Ignition Control Module Diagnosis Fault
- P1410 — Secondary Air Injection Pump Malfunction (Honda)
- P1441 — EVAP Canister Purge System Flow Detected
- P1442 — EVAP Canister Purge System Vacuum Switch Malfunction
- P1454 — Fuel Tank Pressure Sensor Range/Performance (Honda)
- P1459 — EVAP Canister Purge System Switch Malfunction
- P1460 — Fuel Level Sensor Power Supply Circuit
- P1486 — Thermostat Range/Performance Problem (Honda)
- P1498 — EGR Valve Lift Sensor Voltage High
- P1505 — Intake System Leak Detected (Honda)
- P1509 — Idle Air Control Valve Circuit Failure (Honda)
- P1600 — Integrated Motor Assist System Malfunction (Hybrid)
- P1604 — Startability Malfunction (Honda)
- P1605 — Knock Control CPU Malfunction (Honda)
- P1607 — Engine Control Module Internal Circuit Failure (Honda)
- P1656 — VSC Control Module Communication Malfunction (Honda)
- P1659 — Electronic Throttle System Control Relay Off Malfunction
- P1676 — ABS/TCS Control Module Communication Malfunction (Honda)
- P1758 — Automatic Transmission Lock-Up Clutch Not Engaging (Honda)
- P1860 — Torque Converter Clutch Solenoid Circuit (Honda Trans)