Honda check engine light codes

July 28, 2017 0 Comments

Honda check engine light codes

We thought it would be easier to list all the check engine light codes here for obd0/obd1/obd2

 




OBD 0/1/2 CEL CODES:

0 - ECU - Faulty ECU or ECU ROM Diagnostic Proceedure
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 Diagnostic Proceedure
11 - engine overheating
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 - vehicle speed sensor 
19 - Automatic transmission lockup control valve 
20 - ELD - 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 found on some JDM ecu's
38 - Secondary VTEC solenoid on JDM 3 stage D15B Vtec ECUs (P2J)
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 circuit
65 - Secondary oxygen sensor heater wire (black wires)
67 - Catalytic Converter
71 - random misfire cylinder 1
72 - random misfire cylinder 2
73 - random misfire cylinder 3
74 - random misfire cylinder 4
80 - EGR Valve/Line
86 - ECT sensor - Cooling System
91 - Fuel Tank pressure sensor
92 - EVAP Solenoid/Valve/Vacuum Lines