U1000 on NISSAN ALTIMA — Manufacturer Controlled DTC

Q: "What does U1000 mean on a NISSAN ALTIMA?"

"U1000 indicates: Manufacturer Controlled DTC. This is a network communication code. 3 NISSAN ALTIMA owners have reported this to NHTSA."

Q: "What are the most common causes of U1000 on NISSAN ALTIMA?"

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

Q: "Is U1000 serious on my NISSAN ALTIMA?"

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

Q: "What should I do if my NISSAN ALTIMA shows U1000?"

"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 U1000 Means on Your NISSAN ALTIMA

U1000 is a diagnostic trouble code indicating: Manufacturer Controlled DTC. This code relates to the network communication system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

3 NISSAN ALTIMA owners have reported this issue to NHTSA across model years 2011-2019. Most reports come from the 2011, 2012 model years.

Real NISSAN ALTIMA Owner Reports

Source: NHTSA Complaints Database

"2011 nissan altima sr sedan 3.5 cvt. when driving, cvt goes into safe mode with reduced acceleration, indicating a transmission issue and would also trigger vehicle dynamic control system fault.. original engine code was p0175. had mechanic replace 31935-1xf00 speed sensor assy."

— 2011 NISSAN ALTIMA owner · POWER TRAIN,VEHICLE SPEED CONTROL,ELECTRONIC STABILITY CONTROL (ESC) · Filed 12/15/2016

"I just recently replaced the battery in my 2012 nissan altima and now i am having the following problems: gauge cluster is not working at all (engine temp, rpm, speedometer, gas). everything else is working fine. i had all the fuses checked and all are working properly."

— 2012 NISSAN ALTIMA owner · ELECTRICAL SYSTEM,ELECTRONIC STABILITY CONTROL (ESC) · Filed 04/01/2017

"Malfunction indicator light will come on and stay on. I took it to autozone, they gave me a printout, they said it wasn't my battery, that it was a communication circuit problem."

— 2019 NISSAN ALTIMA owner · UNKNOWN OR OTHER · Filed 04/09/2025

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

📊 Complaint Trend by Model Year

1

'11

1

'12

1

'19

Common Causes on NISSAN ALTIMA

Based on NHTSA complaint component analysis for this vehicle.

POWER TRAIN,VEHICLE SPEED CONTROL,ELECTRONIC STABILITY CONTROL (ESC) 33.3%

ELECTRICAL SYSTEM,ELECTRONIC STABILITY CONTROL (ESC) 33.3%

UNKNOWN or OTHER 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 U1000 mean on a NISSAN ALTIMA? ▾

U1000 indicates: Manufacturer Controlled DTC. This is a network communication code. 3 NISSAN ALTIMA owners have reported this to NHTSA.

What are the most common causes of U1000 on NISSAN ALTIMA? ▾

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

Is U1000 serious on my NISSAN ALTIMA? ▾

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

What should I do if my NISSAN ALTIMA shows U1000? ▾

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.