MIL/"D4" Code
Code 1 Primary Oxygen Sensor (HO2S) (Sensor 1).
Code 2 Rear Heated Oxygen Sensor.
Code 3 Manifold Absolute Pressure Sensor (MAP).
Code 4 Crankshaft Position Sensor (CKP).
Code 5 Manifold Absolute Pressure Sensor (MAP).
Code 6 Engine Coolant Temperature (ECT Sensor).
Code 7 Throttle Position Sensor.
Code 8 Top Dead Center Position Sensor (TDC).
Code 9 No. 1 Cylinder Position Sensor (CYP).
Code 10 Intake Air Temperature (IAT) Sensor.
Code 12 Exhaust Gas Recirculation (EGR) System.
Code 13 Barometric Pressure (BARO) Sensor
Code 14 Idle Air Control (IAC) Valve.
Code 15 Ignition Output Signal.
Code 17 Vehicle Speed Sensor (VSS).
Code 18 Ignition Timing Adjuster).
Code 20 , Electronic load detector (ELD)
Code 21 Variable Valve Timing solenoid valve
Code 22 Variable Valve Timing pressure switch
Code 30 A/T Fl signal A - Code 30 indicates a problem between the transmission control module and the ECM
Code 31 A/T Fl signal B - Code 31 indicates a problem between the transmission control module and the ECM
Code 41 Oxygen sensor heater Check the heater for the proper voltage signal
Code 43 Fuel supply system Check the fuel pressure/fuel pressure regulator, Also check the oxygen sensor
Code 61 Oxygen sensor Check the front oxygen sensor, slow response detected (OBD-II).
Code 63 Oxygen sensor Check the rear oxygen sensor, voltage out-of-range detected (OBD-II).
Code 65 Oxygen sensor Check the rear oxygen sensor, circuit malfunction detected (OBD-II).
Code 67 Catalytic converter Check the catalytic converter, low efficiency detected (OBD-II).
Code 70 Automatic transaxle Problem detected with the automatic transaxle (OBD-II).
Code 71 through 76 Cylinder missfire Cylinder missfire detected (OBD-II).
Code 80 EGR system Check the EGR system, insufficient EGR flow detected (OBD-II).
Code 86 Engine Coolant temperature sensor (ECT) Check the ECT sensor and circuit, circuit problem detected (OBD-II)
Code 92 Evaporative emissions system Check the EVAP system, purge flow problem detected (OBD-II).
Scan Tool Codes
(MIL/"D4" Code)
P0107 (3) MAP Sensor Low Input Voltage
P0108 (3) MAP Sensor High Input Voltage
P0112 (10) IAT Sensor Low Input Voltage
P0113 (10) IAT Sensor High Input Voltage
P0116 (86) Engine Coolant Temperature (ECT) Sensor Range/Performance
P0117 (6) Engine Coolant Temperature (ECT) Sensor Low Input Voltage
P0118 (6) Engine Coolant Temperature (ECT) Sensor High Input Voltage
P0122 (7) Throttle Position (TP) Sensor Low Input Voltage
P0123 (7) Throttle Position (TP) Sensor High Input Voltage
P0131 (1) Primary HO2S-1 Circuit Low Voltage
P0132 (1) Primary HO2S-1 Circuit High Voltage
P0133 (61) Primary HO2S-1 Slow Response
P0135 (41) Primary HO2S-1 Heater Circuit Malfunction
P0137 (63) Secondary HO2S-2 Circuit Low Voltage
P0138 (63) Secondary HO2S-2 Circuit High Voltage
P0139 (63) Secondary HO2S-2 Slow Response
P0141 (65) Secondary HO2S-2 Heater Circuit Malfunction
P0171 (45) Fuel System Too Lean
P0172 (45) Fuel System Too Rich
P0300 (71, 72, 73, 74) Random Misfire Detected
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
P0325 (23) Knock Sensor (KS) Circuit Malfunction
P0335 (4) Crankshaft Position (CKP) Sensor Circuit Malfunction
P0336 (4) (3) Crankshaft Position (CKP) Sensor Range/Performance
P0420 (67) Catalyst System Efficiency Below Threshold
P0452 (91) Fuel Tank Pressure Sensor (FTPS) Low Voltage
P0453 (91) Fuel Tank Pressure Sensor (FTPS) High Voltage
P0500 (17) Vehicle Speed Sensor (VSS) Circuit Malfunction
P0505 (14) Idle Control System Malfunction
P0700 (70) (4) Automatic Transaxle
P0715 (70) (4) Automatic Transaxle
P0720 (70) (4) Automatic Transaxle
P0725 (70) (4) Automatic Transaxle
P1705 (5) (4) Automatic Transaxle
P0730 (70) (4) Automatic Transaxle
P0740 (70) (4) Automatic Transaxle
P0753 (70) (4) Automatic Transaxle
P0758 (70) (4) Automatic Transaxle
P1106 (13) Barometric Pressure (BARO) Circuit Range/Performance
P1107 (13) Barometric Pressure (BARO) Circuit Low Input Voltage
P1108 (13) Barometric Pressure (BARO) Circuit High Input Voltage
P1121 (7) Throttle Position (TP) Lower Than Expected
P1122 (7) Throttle Position (TP) Higher Than Expected
P1128 (5) Manifold Absolute Pressure (MAP) Lower Than Expected
P1129 (5) Manifold Absolute Pressure (MAP) Higher Than Expected
P1259 (22) VTEC System Malfunction
P1297 (20) Electrical Load Detector (ELD) Low Input Voltage
P1298 (20) Electrical Load Detector (ELD) High Input Voltage
P1336 (54) Crankshaft Speed Fluctuation (CKF) Sensor Intermittent Interruption
P1337 (54) Crankshaft Speed Fluctuation (CKF) Sensor No Signal
P1359 (8) Crankshaft Position/Top Dead Center/Cylinder Position (CKP/TDC/CYP) Sensor Disconnected
P1361 (8) (3) TDC Sensor Intermittent Interruption
P1362 (8) (3) TDC Sensor No Signal
P1381 (9) (3) CYP Sensor Intermittent Interruption
P1382 (9) (3) CYP Sensor No Signal
P1456 (90) Evaporative Emission Control System (EVAP) Leak Detected
P1457 (90) Evaporative Emission Control System (EVAP) Leak Detected
P1508 (14) Idle Air Control (IAC) Valve Circuit Failure
P1607 (-) PCM Internal 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
P1700 (70) (4) Automatic Transaxle
P1706 (70) (4) Automatic Transaxle
P1753 (70) (4) Automatic Transaxle
P1758 (70) (4) Automatic Transaxle
P1786 (70) (4) Automatic Transaxle
P1790 (70) (4) Automatic Transaxle
P1791 (70) (4) Automatic Transaxle
P1792 (70) (4) Automatic Transaxle
P1794 (70) (4) Automatic Transaxle
SRS Codes
No Code Faulty SRS Indicator Light Circuit
1-1 Open In Driver-Side Air Bag Inflator
1-2 Increased Resistance Driver-Side Air Bag Inflator
1-3 Short To Another Wire In Driver-side Air Bag Inflator Or Decreased Resistance
1-4 Short To Power In Driver-Side Air Bag Inflator
1-5 Short To Ground In Driver-Side Air Bag Inflator
2-1 Open In Passenger-Side Air Bag Inflator Short In Dummy Resistor
2-2 Increased Resistance In Passenger-Side Air Bag Inflator Or Dummy Resistor
2-3 Short To Another Wire In Passenger-Side Air Bag Inflator Or Dummy Resistor Or Decreased Resistance
2-4 Short To Power in Passenger-Side Air Bag Inflator Or Dummy Resistor
2-5 Short To Ground In Passenger-Side Air Bag Inflator Or Dummy Resistor
5-1 Internal Failure SRS Unit
5-2 Internal failure SRS Unit
5-3 Internal Failure SRS Unit
5-4 Internal Failure SRS Unit
5-5 Internal Failure SRS Unit
6-1 Internal Failure SRS Unit
6-2 Internal Failure SRS Unit
6-3 Internal Failure SRS Unit
6-4 Internal Failure SRS Unit
7-1 Internal Failure SRS Unit
7-2 Internal Failure SRS Unit
7-3 Internal Failure SRS Unit
8-1 Internal Failure SRS Unit
8-2 Internal Failure SRS Unit
8-3 Internal Failure SRS Unit
8-4 Internal Failure SRS Unit
8-5 Internal Failure SRS Unit
8-6 Internal Failure SRS unit Or Short To Power
9-1 or No Code Faulty SRS Indicator Circuit Or Faulty SRS Power Supply (VA Line)
9-2 Faulty SRS Power Supply (VB Line)
10-1 SRS Unit Replacement Code
The source
Check Vehicle Bulb Sizes
