U0101 on CHEVROLET COLORADO — Lost Communication With TCM

Q: "What does U0101 mean on a CHEVROLET COLORADO?"

"U0101 indicates: Lost Communication With TCM. This is a network communication code. 2 CHEVROLET COLORADO owners have reported this to NHTSA."

Q: "What are the most common causes of U0101 on CHEVROLET COLORADO?"

"Based on 2 NHTSA reports, the most commonly cited components are: Steering,Electrical System, Steering. These percentages are based on the component field in owner complaints."

Q: "Is U0101 serious on my CHEVROLET COLORADO?"

"Of 2 NHTSA reports for this code on CHEVROLET COLORADO, none involved a crash or fire. However, any diagnostic code should be evaluated by a qualified mechanic."

Q: "What should I do if my CHEVROLET COLORADO shows U0101?"

"1) Check for recalls on your VIN at nhtsa.gov/recalls. 2) Get a professional diagnosis — a code alone doesn't identify the exact failed part. 3) Get 2-3 repair estimates to compare."

What U0101 Means on Your CHEVROLET COLORADO

U0101 is a diagnostic trouble code indicating: Lost Communication With TCM. This code relates to the network communication system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

2 CHEVROLET COLORADO owners have reported this issue to NHTSA across model years 2016. Most reports come from the 2016 model year. The most commonly reported component is Steering,Electrical System (50.0% of reports).

Real CHEVROLET COLORADO Owner Reports

Source: NHTSA Complaints Database

"My 2016 Colorado is having a power steering failure identical to the 2015 recall. Recall #16V054000 (issued February 2016) covered 2015 Colorados and Canyons with the same type of electric power steering (EPS) gear assembly prone to internal corrosion."

— 2016 CHEVROLET COLORADO owner · STEERING,ELECTRICAL SYSTEM · Filed 07/14/2025

"While driving on a 2 lane road, a service power steering warning light came on and there was an immediate loss of power steering assist. This happened during a turn and the steering without the electric power assist is extremely difficult."

— 2016 CHEVROLET COLORADO owner · STEERING · Filed 09/14/2023

All reports filed by vehicle owners directly with the U.S. Department of Transportation.

📊 Complaint Trend by Model Year

2

'16

Common Causes on CHEVROLET COLORADO

Based on NHTSA complaint component analysis for this vehicle.

STEERING,ELECTRICAL SYSTEM 50%

STEERING 50%

What To Do Next

1
Check for recalls on YOUR VIN
Go to nhtsa.gov/recalls and enter your VIN. If your vehicle is covered, repairs are free.
2
Get a proper diagnosis
A code alone doesn't tell you the exact failed part. A diagnostic at a shop ($50–$150) pinpoints the root cause before you spend money on parts.
3
Compare repair quotes
Get 2–3 quotes. Dealer vs. independent shop prices often differ 30–50% for the same repair.

Frequently Asked Questions

What does U0101 mean on a CHEVROLET COLORADO? ▾

U0101 indicates: Lost Communication With TCM. This is a network communication code. 2 CHEVROLET COLORADO owners have reported this to NHTSA.

What are the most common causes of U0101 on CHEVROLET COLORADO? ▾

Based on 2 NHTSA reports, the most commonly cited components are: Steering,Electrical System, Steering. These percentages are based on the component field in owner complaints.

Is U0101 serious on my CHEVROLET COLORADO? ▾

Of 2 NHTSA reports for this code on CHEVROLET COLORADO, none involved a crash or fire. However, any diagnostic code should be evaluated by a qualified mechanic.

What should I do if my CHEVROLET COLORADO shows U0101? ▾

1) Check for recalls on your VIN at nhtsa.gov/recalls. 2) Get a professional diagnosis — a code alone doesn't identify the exact failed part. 3) Get 2-3 repair estimates to compare.