Honda P16C4: Engine Mount Actuator Control Power Circuit (Stuck Off)
Is your scanner showing Honda P16C4?
No worries. We'll show you what it means and how to deal with it.
Honda P16C4: Engine Mount Actuator Control Power Circuit (Stuck Off)
OVERVIEWWhat Does The Honda P16C4 Code Mean?
With the ignition switch ON (ll), the IGSOL voltage is 4.0 V or less for at least 2.6 seconds during the active engine mount (ACM) control relay is on.
NOTE: Before you troubleshoot, record all freeze data and any on-board snapshots, and review the general troubleshooting information.
What Are The Potential Causes Of The Honda P16C4 Code?
- Blown fuse
- Poor connections or loose terminals at the engine mount control unit and the driver’s under-dash fuse/relay box (active control engine mount (ACM) control relay)
- “Open” or “Short” to ground between engine mount control unit and driver’s under-dash fuse/relay box
- Faulty (ACM) control relay in the driver’s under-dash fuse/relay box
- Faulty engine mount control unit
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
>>> Honda Active Engine Mount Control Unit
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Reference Sources
Honda DTC Codes for P16C4 – Page 10.
