U0100 on DODGE DURANGO — Lost Communication With ECM/PCM A

Q: "What does U0100 mean on a DODGE DURANGO?"

"U0100 indicates: Lost Communication With ECM/PCM A. This is a network communication code. 3 DODGE DURANGO owners have reported this to NHTSA."

Q: "What are the most common causes of U0100 on DODGE DURANGO?"

"Based on 3 NHTSA reports, the most commonly cited components are: Electronic Stability Control (Esc), Power Train,Electrical System,Engine, Electrical System. These percentages are based on the component field in owner complaints."

Q: "Is U0100 serious on my DODGE DURANGO?"

"Of 3 NHTSA reports for this code on DODGE DURANGO, 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 DURANGO shows U0100?"

"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 U0100 Means on Your DODGE DURANGO

U0100 is a diagnostic trouble code indicating: Lost Communication With ECM/PCM A. This code relates to the network communication system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

3 DODGE DURANGO owners have reported this issue to NHTSA across model years 2014-2017. Most reports come from the 2014, 2015 model years.

Real DODGE DURANGO Owner Reports

Source: NHTSA Complaints Database

"Takata recall. vehicle do not start, and check engine light came on.i took it to o'reilly's auto parts and connected the machine and give me the following errors: p2122, u1110, u11bc, u0100, u0101, and u1120 reference to the communication to tcm, and pcm with the vehicle."

— 2014 DODGE DURANGO owner · ELECTRONIC STABILITY CONTROL (ESC) · Filed 11/23/2018

"While driving the vehicle randomly stalled/died, though the instrument cluster/electronics stayed on. i tried to start the vehicle, but the engine wouldn't turn over."

— 2015 DODGE DURANGO owner · POWER TRAIN,ELECTRICAL SYSTEM,ENGINE · Filed 03/01/2020

"A vehicle that was previously bought back due to the engine and console shutting off while in operation was sold to me by bill luke dodge in phoenix, az. i was informed that this problem was fixed and that it had been analyzed at a facility for months prior to being put back on the market."

— 2017 DODGE DURANGO owner · ELECTRICAL SYSTEM · Filed 05/03/2019

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

📊 Complaint Trend by Model Year

1

'14

1

'15

1

'17

Common Causes on DODGE DURANGO

Based on NHTSA complaint component analysis for this vehicle.

ELECTRONIC STABILITY CONTROL (ESC) 33.3%

POWER TRAIN,ELECTRICAL SYSTEM,ENGINE 33.3%

ELECTRICAL SYSTEM 33.3%

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 U0100 mean on a DODGE DURANGO? ▾

U0100 indicates: Lost Communication With ECM/PCM A. This is a network communication code. 3 DODGE DURANGO owners have reported this to NHTSA.

What are the most common causes of U0100 on DODGE DURANGO? ▾

Based on 3 NHTSA reports, the most commonly cited components are: Electronic Stability Control (Esc), Power Train,Electrical System,Engine, Electrical System. These percentages are based on the component field in owner complaints.

Is U0100 serious on my DODGE DURANGO? ▾

Of 3 NHTSA reports for this code on DODGE DURANGO, none involved a crash or fire. However, any diagnostic code should be evaluated by a qualified mechanic.

What should I do if my DODGE DURANGO shows U0100? ▾

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.