37s Broke My F-350… Here’s the REAL Fix (Forscan)

After installing 37” BFGoodrich tires on our Super Duty, we were running about 6% off on speed. That affects fuel economy tracking, transmission behavior, and overall accuracy — so we fixed it. In this video, I walk you through the exact step-by-step process we used to: ✔ Change tire circumference in BdyCM ✔ Perform PCM relearn ✔ Perform TCM relearn ✔ Perform AWD relearn ✔ Clear DTC codes ✔ Fix the stubborn TCM P0160 error We also show the exact prompts that pop up inside FORScan and the workaround required if the TCM code doesn’t clear the first time. For our 37s, 2799 mm worked perfectly. This isn’t just theory — this is real-world troubleshooting with the hiccups included. If you're running oversized tires on your Ford Super Duty, F-150, or similar platform, this guide will save you time and frustration. Full written step-by-step guide available on our website: https://www.thebakeradventures.com/po... What should we do next on this truck build? • Winch install • Camper setup • Full overland build • Something else? Drop a comment below 👇 🔔 Support The Baker Adventures If you enjoy real-world hunting reviews, truck builds, and family adventure content, check out our official merch: https://www.thebakeradventures.com/ca... Every purchase helps fund future builds, hunts, and gear testing. #forscan #ford #superduty #37s #offroad #4x4 #overlanding #bfgoodrich #truckbuild #mechanic #automotive #fordmods #fullsize #overlandbuild #speedometer #fordtruck #tireupgrade 00:00 37-Inch Tires Threw Off My F-350 Speedometer 00:53 What You Need: FORScan, OBD2 Adapter and Windows Laptop 01:59 Connecting FORScan to the Truck 03:00 Change Tire Circumference in the BCM 04:57 PCM Relearn After Changing Tire Size 05:49 TCM Relearn and the First Error 06:50 AWD Initialization Relearn 07:35 Clear DTC Codes in FORScan 08:05 P160 Reconfiguration Error Explained 10:18 How I Fixed the P160 TCM Error 12:15 Clearing the Final FORScan Codes 13:01 GPS Road Test at 50 km/h 13:50 GPS Road Test at 100 km/h 14:13 Final Results: F-350 Speedometer Is Accurate