P0686 – ECM/PCM power relay -circuit low

By BAT Team (Contact Me)
Last Updated 2015-11-18
A site with free advice from mechanics.

Code	Fault Location	Probable Cause
P0686	ECM/PCM power relay -circuit low (Buy Part On Amazon)	Wiring short to earth, ECM/PCM power relay, ECM

We recommend Torque Pro

Help Us Help You

We have not gotten around to publishing a technical guide specifically for P0686 – ECM/PCM power relay -circuit low yet. To escalate the priority of this guide in our production queue, we appreciate a $9.99 donation. We will publish a guide within 30 days of payment.