|Code||Fault Location||Probable Cause|
|P0666|| PCM/ECM/TCM internal temperature sensor circuit malfunction |
(Buy Part On Amazon)
|Wiring, poor connection, internal temperature sensor, ECM|
We recommend Torque Pro
Help Us Help You
We have not gotten around to publishing a technical guide specifically for P0666 – PCM/ECM/TCM internal temperature sensor circuit malfunction 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.