So as I understand this, it's a bus fault/communication loss. I do have the active shutters and air damn. Upon initial start the grill shutters do not cycle. I assume they should? Truck has 54k on it, 2019. Remote start won't work but it still goes in ECO mode.
Things I have done after clearing the code.
Code does not appear on restart after clearing. However, on the 2nd start it pops up. Like clockwork.
1. Pulled upper Rad cover/shield and inspected for debris or obvious issues. Looks like new.
2. Followed harness to shutter motor and made sure it was seated, it was to my feel.
3. Checked blades for any movement and they do not move at all.
4. Fuse is good and clean.
5. I have not touched the active air dam or any of its motors/harness. Not sure these two are related in this fault code?
I'm pretty handy, what's next for me to try?
Things I have done after clearing the code.
Code does not appear on restart after clearing. However, on the 2nd start it pops up. Like clockwork.
1. Pulled upper Rad cover/shield and inspected for debris or obvious issues. Looks like new.
2. Followed harness to shutter motor and made sure it was seated, it was to my feel.
3. Checked blades for any movement and they do not move at all.
4. Fuse is good and clean.
5. I have not touched the active air dam or any of its motors/harness. Not sure these two are related in this fault code?
I'm pretty handy, what's next for me to try?