P1656 VSC Control Module Communication Malfunction (Honda)
What does P1656 mean on a Honda?
P1656 — VSC Control Module Communication Malfunction (Honda). This Honda-enhanced code applies to Accord, Odyssey, Pilot with VSA.
Common causes of P1656
- Open VSA communication line
- Corroded VSA modulator connector
- Failing VSA modulator-control unit
- Low system voltage
- Aftermarket device on the network
How to fix P1656
- Remove aftermarket electronics from the network
- Scan the VSA modulator for its own codes
- Check network communication health
- Inspect connectors for corrosion
- Repair wiring or service the modulator