U0101 on DODGE CHARGER — Lost Communication With TCM

Q: "What does U0101 mean on a DODGE CHARGER?"

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

Q: "What are the most common causes of U0101 on DODGE CHARGER?"

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

Q: "Is U0101 serious on my DODGE CHARGER?"

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

Q: "What should I do if my DODGE CHARGER 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 DODGE CHARGER

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 DODGE CHARGER owners have reported this issue to NHTSA across model years 2013-2014. Most reports come from the 2013, 2014 model years. The most commonly reported component is Electrical System (50.0% of reports).

Real DODGE CHARGER Owner Reports

Source: NHTSA Complaints Database

"While driving dash starts blonking and several issues appeared. stearing, traction control light, service key, abs, and others that i can't remember however showing 7 different codes p0133, u0101 u1110 u1120 i don't remember all of it."

— 2013 DODGE CHARGER owner · ELECTRICAL SYSTEM · Filed 10/02/2020

"While driving i-405n at approx 63mph, my cel & tc lamp illuminated and car stalled out leaving me with no steering functions, then suddenly it turned back on and red-lined for almost 20secs straight leaving me at wot speeding straight towards the vehicle in front of me."

— 2014 DODGE CHARGER owner · POWER TRAIN,ELECTRICAL SYSTEM,UNKNOWN OR OTHER · Filed 11/23/2015

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

📊 Complaint Trend by Model Year

1

'13

1

'14

Common Causes on DODGE CHARGER

Based on NHTSA complaint component analysis for this vehicle.

ELECTRICAL SYSTEM 50%

POWER TRAIN,ELECTRICAL SYSTEM,UNKNOWN or OTHER 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 DODGE CHARGER? ▾

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

What are the most common causes of U0101 on DODGE CHARGER? ▾

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

Is U0101 serious on my DODGE CHARGER? ▾

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

What should I do if my DODGE CHARGER 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.