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ECU Error Codes

Code Meaning
1 O2A - Oxygen Sensor #1
2 O2B - Oxygen Sensor #2
3 MAP - manifold Absolute Pressure Sensor
4 CKP - Crank Position Sensor
5 MAP - Manifold Absolute Pressure Sensor
6 ECT - Water Temperature Sensor
7 TPS - Throttle Position Sensor
8 TDC - Top Dead Centre Sensor
9 CYP - Cylinder Sensor
10 IAT - Intake Air Temperature Sensor
12 EGR - Exhaust Gas Recirculation Lift Valve
13 BARO - Atmospheric Pressure Sensor
14 IAC (EACV) - Idle Air Control Valve
15 Ignition Output Signal
16 Fuel Injectors
17 VSS - Speed Sensor
19 Automatic Transmission Lockup Control Valve
20 Electrical Load Detector
21 VTEC Spool Solenoid Valve
22 VTEC Pressure Valve
23 Knock Sensor
30 Automatic Transmission A Signal
31 Automatic Transmission B Signal
36 Traction Control (JDM ECU's)
41 Primary Oxygen Sensor Heater
43 Fuel Supply System
45 Fuel System Too Rich or Lean
48 LAF - Lean Air Fuel Sensor
54 CKF - Crank Fluctuation Sensor
58 TDC Sensor #2
61 Primary Oxygen Sensor
63 Secondary Oxygen Sensor
65 Secondary Oxygen Sensor Heater
71 Random Misfire Cylinder 1
72 Random Misfire Cylinder 2
73 Random Misfire Cylinder 3
74 Random Misfire Cylinder 4
86 Engine Coolant Temp Circuit
90 Evap Emission Control System Leak
91 Fuel Tank Pressure Sensor Circuit


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