I'm getting a P0685 on a 2012 Ford F550 6.8L and engine stalling. Also setting P0122 code

Question

I'm getting a P0685 on a 2012 Ford F550 6.8L and engine stalling. Also setting the P0122 code

Answer 1

Hi there,

The code P0685 points towards an issue with the powertrain control module. Here is some info regarding this code.

P0685 FORD - Powertrain Control Module Power Relay Control Circuit Open
Read more: https://www.autocodes.com/p0685_ford.html

The code P0122 points towards an issue with the throttle position sensor. Here is some info regarding this code.

P0122 FORD - Throttle/Pedal Position Sensor 'A' Circuit Low Input
Read more: https://www.autocodes.com/p0122_ford.html