| DTC P1259 |
VTEC System Malfunction (2000-2003 models) |
| DTC P2646 |
Rocker Arm Oil Pressure Switch (VTEC Oil Pressure Switch) Circuit Low Voltage (2004-2005 models) |
| DTC P2647 |
Rocker Arm Oil Pressure Switch (VTEC Oil Pressure Switch) Circuit High Voltage (2004-2005 models) |