How can this happen after leaf spring work?

[CoronaRaptor]

Code: U0101 - Lost Communication with TCM

Status:
- Previously Set DTC - Not Present at Time of Request
- Malfunction Indicator Lamp is Off for this DTC

Module: Side Obstacle Detection Control Module - Right

I replaced the rear driver side wheel speed sensor and that did nothing.

Here's a simple test which might fix it.

 

[FordTechOne]

Code: U0101 - Lost Communication with TCM

Status:
- Previously Set DTC - Not Present at Time of Request
- Malfunction Indicator Lamp is Off for this DTC

Module: Side Obstacle Detection Control Module - Right

I replaced the rear driver side wheel speed sensor and that did nothing.

That’s the only DTC that is setting? I’d recommend performing On-Demand Self Tests of all modules and see what DTCs you get.

 

[Chris Mies]

Where the hell is the TCM?

 

[FordTechOne]

Where the hell is the TCM?

Under the truck on the passenger side of the transmission. If the TCM is passing the network test and has no DTCs stored, that’s not the issue.

 

[Chris Mies]

Under the truck on the passenger side of the transmission. If the TCM is passing the network test and has no DTCs stored, that’s not the issue.

Thanks. Found it. I am getting U0101.

 

[Chris Mies]

Thanks everyone. It did end up being the ABS wheel speed sensors. I just needed to educate myself on using Forscan to read and clear DTCs. I replaced both harnesses last night and then cleared all the codes and I have my Raptor back to full strength again. It is crazy that this one issue caused so many problems, especially the heavy steering. Now back to the shop to get them to pay for my troubles...