Acura P1659: Electronic Throttle Control System (ETCS) Control Relay OFF Malfunction
Is your scanner showing Acura P1659?
No worries. We'll show you what it means and how to deal with it.
Acura P1659: Electronic Throttle Control System (ETCS) Control Relay OFF Malfunction
OVERVIEWWhat Does The Acura P1659 Code Mean?
Ignition switch ON (II), battery voltage 10 volts minimum and DTCs P0122, P0123, P0222, P0223, P2101, P2118, P2122, P2123, P2127, P2128, P2135, P2138, P2176 are not active. The voltage is not applied from the throttle actuator controller relay for at least 200 milliseconds. The execution time is once per driving cycle.
NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot.
What Are The Potential Causes Of The Acura P1659 Code?
- Blown fuse
- Poor connections or loose terminals at the under-hood fuse/relay box (ETCS control relay) and the PCM
- “Open” or “Short” in the wire between the PCM and the under-hood fuse/relay box
- Faulty right side engine compartment wire harness
- Faulty relay control module (under-hood fuse/relay box)
- PCM needs to be updated with the latest software
- Faulty PCM
Recommended Parts
Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:
>>> WORKPRO 582-piece Crimp Terminals, Wire Connectors, Heat Shrink Tube, Electrical Repair Kit
>>> Acura Engine Control Module
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Reference Sources
Acura P1659, DTCDECODE.
