Aug 24, 2024 · U0100 U0101 troubleshooting Jump to Latest 3K views 21 replies 3 participants last post by m42boost Sep 21, 2025 RDomeck Discussion starter

Mar 25, 2010 · 2. Reset the ECU, delete the code. Code came back instantly. 3. Reset the ECU, start the car in neutral. Code still there, AT light always on. The second time i put the car in reverse, it …

May 15, 2018 · Jump started the truck this morning and got the u0101 code immediately and "service brake system" on the dic. Watched some videos, ran the tests on the harness.

Apr 2, 2018 · Service stabilitrak. U0101 code Jump to Latest 27K views 15 replies 6 participants last post by Cbrick Jul 31, 2020 W

Feb 25, 2018 · U0101, while it points toward a loss of comm with the TCM, is commonly a main harness connection issue....which does all kinds of things down the line...like TCM, ABS and such.

Jul 14, 2019 · 2005 LLY 200,000 miles Truck no start issue. U0101 Code Was driving AC stopped, truck limited to 3rd gear, hard shift between P/N/R/D, ABS/Brake light on, no gear indicator. Stopped truck. …

Aug 9, 2023 · I have the dreaded U0101 code. No other codes. The truck goes into limp mode after driving a few miles. Goes away after sitting for a while. Rinse and repeat. I’m on the waitlist for a new …

Feb 25, 2014 · LML throwing U0101 code Jump to Latest 73K views 25 replies 12 participants last post by Ianman87 Mar 24, 2016 mbbaker900 Discussion starter

Jul 3, 2024 · U0101 code on 2011 Mazda3 1 reading Jump to Latest 1.4K views 7 replies 6 participants last post by Averagemazdahater0121 Apr 8, 2025

Mar 31, 2024 · Anytime the car sits shut off for any length of time and is then restarted, I get an AT warning light on the dash, no gear indication, crappy shifting, and a U0101 code stored for lost …