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Diagnostic Trouble Code Identification

NOTE: Not all codes apply to all models.
DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION

DTC (MIL Code) (1) System Affected
P0106 (5) Manifold Absolute Pressure (MAP) Sensor Range/Performance
P0107  (3) Manifold Absolute Pressure (MAP) Sensor Low Input
P0108  (3) Manifold Absolute Pressure (MAP) Sensor High Input
P0112  (10) Intake Air Temperature (IAT) Sensor Low Input
P0113  (10) Intake Air Temperature (IAT) Sensor High Input
P0116  (86) Engine Coolant Temperature (ECT) Sensor Range/Performance
P0117 (6) Engine Coolant Temperature (ECT) Sensor Low Input
P0118 (6) Engine Coolant Temperature (ECT) Sensor High Input
P0122 (7) Throttle Position (TP) Sensor Low Input
P0123 (7) Throttle Position (TP) Sensor High Input
P0131 (1)(2) Front Heated Oxygen Sensor (HO2S) Circuit Low Voltage (Sensor 1)
P0132 (1)(2) Front Heated Oxygen Sensor (HO2S) Circuit High Voltage (Sensor 1)
P0133  (61) (2) Front Heated Oxygen Sensor (HO2S) Slow Response (Sensor 1)
P0135  (41) (2) Front Heated Oxygen Sensor (HO2S) Heater Circuit Malfunction (Sensor 1)
P0137  (63) Rear Heated Oxygen Sensor (HO2S) Circuit Low Voltage (Sensor 2)
P0138  (63) Rear Heated Oxygen Sensor (HO2S) Circuit High Voltage (Sensor 2)
P0139  (63) Rear Heated Oxygen Sensor (HO2S) Slow Response (Sensor 2)
P0141  (65) Rear Heated Oxygen Sensor (HO2S) Heater Circuit Malfunction (Sensor 2)
P0171  (45) System Too Lean
P0172  (45) System Too Rich
P0301  (71) Misfire Cylinder No. 1 Detected
P0302  (72) Misfire Cylinder No. 2 Detected
P0303  (73) Misfire Cylinder No. 3 Detected
P0304  (74) Misfire Cylinder No. 4 Detected
P0305  (75) Misfire Cylinder No. 5 Detected
P0306  (76) Misfire Cylinder No. 6 Detected
P1300, Some Of P0301-P0306  (71-76) Multiple Cylinder Misfire Detected
P0325  (23) Knock Sensor (KS) Circuit Malfunction
P0335 (4) Crankshaft Position (CKP) Sensor Circuit Malfunction
P0336 (4) Crankshaft Position (CKP) Sensor Range/Performance
P0401  (80) Exhaust Gas Recirculation (EGR) Insufficient Flow Detected
P0420  (67) Catalyst System Efficiency Below Threshold
P0441  (92) Evaporative Emission Control System Incorrect Purge Flow
P0452  (91) Fuel Tank Pressure (FTP) Sensor Circuit Low Input
P0453  (91) Fuel Tank Pressure (FTP) Sensor Circuit High Input
P0500  (17) Vehicle Speed Sensor (VSS) Circuit Low Input
P0501  (17) Vehicle Speed Sensor (VSS) Circuit Range/Performance
P0505  (14) Idle Control System Malfunction (Civic)
P0505  (14) Idle Control System Malfunction (Civic Del Sol)
P0700 (70) (3) Automatic Transaxle
P0715 (70) (3) Automatic Transaxle
P0720 (70) (3) Automatic Transaxle
P0725 (70) (3) Automatic Transaxle
P0730 (70) (3) Automatic Transaxle
P0740 (70) (3) Automatic Transaxle
P0740 (19) (3)(4) Automatic Transaxle
P0753 (70) (3) Automatic Transaxle
P0758 (70) (3) Automatic Transaxle
P1107  (13) Barometric Pressure (BARO) Circuit Low Input
P1108  (13) Barometric Pressure (BARO) Circuit High Input
P1162  (48) (5) Front Heated Oxygen Sensor (HO2S) Circuit Malfunction (Sensor 1)
P1163  (61) (5) Front Heated Oxygen Sensor (HO2S) Circuit Slow Response (Sensor 1)
P1164  (61) (5) Front Heated Oxygen Sensor (HO2S) Circuit Range/Performance Problem (Sensor 1)
P1165  (61) (5) Front Heated Oxygen Sensor (HO2S) Circuit Range/Performance Problem (Sensor 1)
P1166  (41) (5) Front Heated Oxygen Sensor (HO2S) Heater System Electrical (Sensor 1)
P1167  (41) (5) Front Heated Oxygen Sensor (HO2S) Heater System Malfunction (Sensor 1)
P1168  (48) (5) Front Heated Oxygen Sensor (HO2S) Circuit Low Input (Sensor 1)
P1169  (48) (5) Front Heated Oxygen Sensor (HO2S) Circuit High Input (Sensor 1)
P1259  (22) (4)(6) VTEC System Malfunction
P1297  (20) Electrical Load Detector Circuit Low Input
P1298  (20) Electrical Load Detector Circuit High Input
P1336  (54) Crankshaft Speed Fluctuation (CKF) Sensor Intermittent Interruption
P1337  (54) Crankshaft Speed Fluctuation (CKF) Sensor No Signal
P1359 (7) Crankshaft Position/Top Dead Center (CKP/TDC) Sensor Connector Disconnected
P1361 (7) Top Dead Center (TDC) Sensor Intermittent Interruption
P1362 (7) Top Dead Center (TDC) Sensor No Signal
P1381  (9) Cylinder Position (CYP) Sensor Intermittent Interruption
P1382  (9) Cylinder Position (CYP) Sensor No Signal
P1456  (90) Evaporative Emission Control System Leak Detected (Fuel Tank System)
P1457  (90) Evaporative Emission Control System Leak Detected (EVAP Canister System)
P1491  (12) EGR Valve Lift Insufficient Detected (Except Civic D16Y5 M/T)
P1491  (12) EGR Valve Lift Insufficient Detected (Civic D16Y5 M/T)
P1498  (12) EGR Valve Lift High Voltage
P1508  (14) Idle Air Control Valve Circuit Failure
P1509  (14) Idle Air Control Valve Circuit Failure
P1607  (-) Powertrain Control Module (PCM) Internal Circuit Failure A (Except Civic Del Sol)
P1607  (-) Powertrain Control Module (PCM) Internal Circuit Failure A (Civic Del Sol)
P1655  (30) (7) TMA/TMB Signal Line Failure
P1660 (70) A/T FI Data Line Failure
P1681 (30) A/T FI Signal A Low Input
P1682 (30) A/T FI Signal A High Input
P1686 (31) A/T FI Signal B Low Input
P1687 (31) A/T FI Signal B High Input
P1705 (70) (3) Automatic Transaxle
P1705  (-) (4) A/T Gear Position Switch Circuit Failure
P1706 (70) (3) Automatic Transaxle
P1706  (-) (4) A/T Gear Position Switch No Signal
P1753 (70) (3) Automatic Transaxle
P1753  (19) (4) A/T Lock-Up Control Solenoid Valve A Circuit Failure
P1758 (70) (3) Automatic Transaxle
P1758  (19) (4) A/T Lock-Up Control Solenoid Valve B Circuit Failure
P1768 (70) (3) Automatic Transaxle
P1785 (70) (3) Automatic Transaxle
P1786 (70) (3) Automatic Transaxle
P1790 (70) (3) Automatic Transaxle
P1791 (70) (3) Automatic Transaxle
P1792 (70) (3) Automatic Transaxle
P1793 (70) (3) Automatic Transaxle
P1794 (70) (3) Automatic Transaxle
P1870 (70) (3) Automatic Transaxle
P1873 (70) (3) Automatic Transaxle
P1879 (70) (3) Automatic Transaxle
P1885 (70) (3) Automatic Transaxle
P1886 (70) (3) Automatic Transaxle
P1888 (70) (3) Automatic Transaxle
P1890 (70) (3) Automatic Transaxle
P1891 (70) (3) Automatic Transaxle
(1) If codes appear other than those listed in table, verify code. If code is not listed, replace PCM.
(2) Except Civic with D16Y5 engine M/T.
(3) Transmission/transaxle fault. See appropriate DIAGNOSIS article in AUTOMATIC TRANSMISSIONS.
(4) Civic Del Sol only.
(5) Civic with D16Y5 engine M/T only.
(6) Civic with D16Y5 and 16Y8 engine only.
(7) Civic with D16Y5 engine with CVT only.
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