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The table below
lists the ECU error codes that can be thrown by a Honda B16A ECU.
These codes have been copied directly from a Honda Service Manual.
Honda ECU Diagnostic
Trouble Codes |
| Diagnostic
Trouble Code (DTC) |
System Indicated |
| 0 |
Engine Control Module (ECM) |
| 1 |
Heated Oxygen Sensor (HO2S) |
| 3 |
Manifold Absolute Pressure (MAP
Sensor) |
| 4 |
Crankshaft Position (CKP Sensor) |
| 6 |
Engine Coolant Temperature (ECT
Sensor) |
| 7 |
Throttle Position (TP Sensor) |
| 8 |
Top Dead Center Position (TDC Sensor) |
| 9 |
No. 1 Cylinder Position (CYP Sensor) |
| 10 |
Intake Air Temperature (IAT Sensor) |
| 13 |
Barometric Pressure (BARO Sensor) |
| 14 |
Idle Air Control (IAC Valve) |
| 15 |
Ignition Output Signal |
| 16 |
Fuel Injector |
| 17 |
Vehicle Speed Sensor (VSS) |
| 20 |
Electrical Load Detector (ELD) |
| 21 |
Variable Valve Timing & Valve Lift
Electronic Control Solenoid Valve (VTEC Solenoid Valve) |
| 22 |
Variable Valve Timing & Valve Lift
Electronic Control Pressure Switch (VTEC Pressure Switch) |
| 23 |
Knock Sensor (KS) |
| 30 |
A/T FI Signal A |
| 31 |
A/T FI Signal B |
| 41 |
Heated Oxygen Sensor (HO2S) Heater |
| 43 |
Fuel Supply System |
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