We recommend Torque Pro
Manufacturer Specific Definitions for P1777
|Citroen||Ignition Retard Request Circuit Fault|
|Daewoo||Power Control Unit - Output Mal|
|Infiniti||CVT step motor – circuit malfunction|
|Jaguar||Engine control module (ECM) - TCM retard signal|
|Land Rover||Engine control module (ECM) – TCM retard signal|
|Mazda||AT – torque reduction signal (water temperature signal) – malfunction|
|Nissan||CVT step motor – circuit malfunction|
|Peugeot||Ignition Retard Request Circuit Fault|
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 P1777 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.