Honda Code P1659
The Honda Code P1659 is a diagnostic trouble code that occurs when the Electronic Throttle Control System (ETCS) Control Relay OFF Malfunction is detected. This code is triggered when the ignition switch is ON (II), the battery voltage is 10 volts minimum, and the diagnostic trouble codes P0122, P0123, P0222, P0223, P2101, P2118, P2122, P2123,