P0644 – Driver display, serial communication -circuit malfunction
By (Contact Me)
Last Updated 2015-11-18
A site with free advice from mechanics.
| Code | Fault Location | Probable Cause |
|---|---|---|
| P0644 | Driver display, serial communication -circuit malfunction (Buy Part On Amazon) | Wiring, CAN data bus, ECM |
We recommend Torque Pro
Help Us Help You
Please comment below describing your issue as well as the specifics of your vehicle (make, model, year, miles, and engine), and one of our mechanics will respond as soon as possible. For an expedited response within 24 hours, we appreciate a $9.99 donation via the payment button below.
We have not gotten around to publishing a technical guide specifically for P0644 – Driver display, serial communication -circuit malfunction yet. To escalate the priority of this guide in our production queue, we appreciate a donation. We will publish a guide within 30 days of payment.