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Honda Diagnostic Codes, Trouble Codes and Descriptions. OBD-II Codes.

WesTech Auto

Diagnostic Codes

Honda

On-Board Diagnostics II
OBD II
Sorted by Standard Code
OBD II Std Description
P0300   Random Misfire.
P1607   ECM/PCM Internal Circuit Failure A.
P0131 1 Primary Heated Oxygen Sensor Circuit Low Voltage (Sensor 1).
P0132 1 Primary Heated Oxygen Sensor Circuit High Voltage (Sensor 1).
P0107 3 Manifold Absolute Pressure (MAP) Circuit Low Input.
P0108 3 Manifold Absolute Pressure (MAP) Circuit High Input.
P0335 4 Crankshaft Position Sensor Circuit Low Input.
P0336 4 Crankshaft Position Sensor Range/Performance.
P0106 5 Manifold Absolute Pressure (MAP) Circuit Range or Performance.
P1128 5 Manifold Absolute Pressure (MAP) Lower than expected.
P1129 5 Manifold Absolute Pressure (MAP) Higher than expected.
P0117 6 Engine Coolant Temperature Circuit Low Input.
P0118 6 Engine Coolant Temperature Circuit High Input.
P0122 7 Throttle Position Sensor Circuit Low Input.
P0123 7 Throttle Position Sensor Circuit High Input.
P1121 7 Throttle Position lower than expected.
P1122 7 Throttle Position higher than expected.
P1359 8 Crankshaft Position/TDC sensor Connector disconnection.
P1361 8 TDC sensor intermittent interruption.
P1362 8 TDC sensor - No signal.
P1381 9 Cylinder Position sensor intermittent interruption.
P1382 9 Cylinder Position sensor No signal.
P0111 10 Intake Air Temperature (IAT) Sensor Circuit Range or Performance.
P0112 10 Intake Air Temperature (IAT) Sensor Circuit Low Input.
P0113 10 Intake Air Temperature (IAT) Sensor Circuit High Input.
P1491 12 EGR Valve Lift Insufficient detected.
P1498 12 EGR Valve Lift sensor High Voltage.
P1106 13 BARO Circuit Range/Performance.
P1107 13 BARO Circuit Low Input.
P1108 13 BARO Circuit High Input.
P0505 14 Ignition Control System malfunction.
P1508 14 Idle Air Control Valve Circuit Failure.
P1509 14 Idle Air Control Valve Circuit Failure.
P1519 14 Idle Air Control Valve Circuit Failure.
P0500 17 Vehicle Speed Sensor Circuit malfunction (Manual Transmission).
P0501 17 Vehicle Speed Sensor Circuit Range/Performance (Automatic Transmission).
P1297 20 Electrical Load Detector Circuit Low Input.
P1298 20 Electrical Load Detector Circuit High Input.
P1253 21 VTEC System malfunction.
P1257 22 VTEC System malfunction.
P1258 22 VTEC System malfunction.
P1259 22 VTEC System malfunction.
P0325 23 Knock Sensor Circuit malfunction.
P1655 30 SEAF/SEFA/TMA/TMB signal line failure.
P1681 30 Automatic Transmission FI signal A Low Input.
P1682 30 Automatic Transmission FI signal A High Input.
P1686 31 Automatic Transmission FI signal B Low Input.
P1687 31 Automatic Transmission FI signal B High Input.
P0135 41 Front Heated Oxygen Sensor Heater Circuit Fault (Sensor 1).
P1166 41 Primary Heated Oxygen Sensor (No. 1) Heater System Electrical.
P1167 41 Primary Heated Oxygen Sensor (No. 1) Heater System.
P0171 45 System is too lean.
P0172 45 System is too rich.
P1162 48 Primary Heated Oxygen Sensor (No. 1) Circuit malfunction.
P1168 48 Primary Heated Oxygen Sensor (No. 1) LABEL Low Input.
P1169 48 Primary Heated Oxygen Sensor (No. 1) LABEL High Input.
P1336 54 Crankshaft Speed Fluctuation sensor intermittent interruption.
P1337 54 Crankshaft Speed Fluctuation sensor - No signal.
P1366 58 TDC sensor #2 intermittent interruption.
P1367 58 TDC sensor #2 signal.
P0133 61 Primary Heated Oxygen Sensor Circuit Slow Response (Sensor 1).
P1149 61 Primary Heated Oxygen Sensor (Sensor 1) Circuit Range/Performance Problem.
P1163 61 Primary Heated Oxygen Sensor (No. 1) Circuit Slow Response.
P1164 61 Primary Heated Oxygen Sensor (No. 1) Circuit Range/Performance.
P1165 61 Primary Heated Oxygen Sensor (No. 1) Circuit Range/Performance.
P0137 63 Secondary Heated Oxygen Sensor Circuit Low Voltage (Sensor 2).
P0138 63 Secondary Heated Oxygen Sensor Circuit High Voltage (Sensor 2).
P0139 63 Secondary Heated Oxygen Sensor Circuit Slow Response (Sensor 2).
P0141 65 Secondary Heated Oxygen Sensor Heater Circuit Fault (Sensor 2).
P0420 67 Catalyst System Efficiency below Threshold.
P0700 70 Automatic Transmission problems.
P0715 70 Automatic Transmission problems.
P0720 70 Automatic Transmission problems.
P0725 70 Automatic Transmission problems.
P0730 70 Automatic Transmission problems.
P0740 70 Automatic Transmission problems.
P0753 70 Automatic Transmission problems.
P0758 70 Automatic Transmission problems.
P0763 70 Automatic Transmission problems.
P1660 70 Automatic Transmission FI signal A Circuit Failure.
P1705 70 Automatic Transmission problems.
P1706 70 Automatic Transmission problems.
P1738 70 Automatic Transmission problems.
P1739 70 Automatic Transmission problems.
P1753 70 Automatic Transmission problems.
P1758 70 Automatic Transmission problems.
P1768 70 Automatic Transmission problems.
P1773 70 Automatic Transmission problems.
P1785 70 Automatic Transmission problems.
P1786 70 Automatic Transmission problems.
P1790 70 Automatic Transmission problems.
P1791 70 Automatic Transmission problems.
P1792 70 Automatic Transmission problems.
P1793 70 Automatic Transmission problems.
P1794 70 Automatic Transmission problems.
P1870 70 Automatic Transmission problems.
P1873 70 Automatic Transmission problems.
P1879 70 Automatic Transmission problems.
P1885 70 Automatic Transmission problems.
P1886 70 Automatic Transmission problems.
P1888 70 Automatic Transmission problems.
P1890 70 Automatic Transmission problems.
P1891 70 Automatic Transmission problems.
P0301 71 Cylinder #1 Misfire or Random Misfire.
P1300 71 Multiple Cylinder misfire detected.
P0302 72 Cylinder #2 Misfire or Random Misfire.
P1300 72 Multiple Cylinder misfire detected.
P0303 73 Cylinder #3 Misfire or Random Misfire.
P1300 73 Multiple Cylinder misfire detected.
P0304 74 Cylinder #4 Misfire or Random Misfire.
P1300 74 Multiple Cylinder misfire detected.
P0305 75 Cylinder #5 Misfire or Random Misfire.
P0306 76 Cylinder #6 Misfire or Random Misfire.
P0401 80 EGR Insufficient Flow Detected.
P0116 86 Engine Coolant Temperature Circuit Range or Performance.
P1456 90 Evaporative Emission Control System Leak detected (Fuel Tank System).
P1457 90 Evaporative Emission Control System Leak detected (Control Canister System).
P0452 91 Fuel Tank Pressure Sensor Circuit Low Input.
P0453 91 Fuel Tank Pressure Sensor Circuit High Input.
P0441 92 Evaporative Emission Control System Improper Purge Flow.
P1459 92 Evaporative Emission Purge Flow Switch malfunction.
The Diagnostic Codes and Explanations are derived from Manufacturer supplied Technical Data. WesTech does not guarantee the accuracy of this Information nor can it be held liable for providing it.
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