U0418: Invalid Data Received From Brake System Control Module A
What Does U0418 Mean?
U0418 is a diagnostic trouble code indicating: Invalid Data Received From Brake System Control Module A. This code relates to the network communication system. It has been reported in NHTSA complaints across 8 different vehicle models.
Symptoms of U0418
- ⚠️ Check engine light illuminated
- ⚠️ ABS warning light on
Common Causes
- 🔍 Wiring or connector problem
- 🔍 Sensor or control module malfunction
U0418 Reports by Year
Real Owner Reports
From NHTSA complaint database — actual owner descriptions.
"HONDA CRV BRAKING SYSTEM FAILUREJUNE 2018 MODEL: CR-V YEAR: 2017 MILEAGE: 5,900 VIN: [XXX] ON JUNE 23RD, 2018, WHILE EXITING A FREEWAY AT ABOUT 60MPH, I REMOVED MY FOOT FROM THE ACCELERATOR AND APPLIED NORMAL PRESSURE TO THE BRAKE PEDAL, BUT NO BRAKING OCCURRED. I TRIED PUMPING T"
— Honda Cr-V owner, 06/23/2018
"Normal speed of 25mph on a clear warm day with no road obstructions when the BRAKE System Indicator (Red) illuminated. I pressed on the brake and had severe resistance and was barely able to stop the car. Two more indicators illuminated. One I believe was the Vehicle Stability Assist and the other I"
— Honda Odyssey owner, 07/27/2025
"Driving down highway at highway speed and car shot 52 failure codes. Car lost power and crawled to side of road. Nearly got rear ended multiple times trying to remove vehicle from roadway. Engine permanent codes U0111 U012D U0110 U12A5 U1206 U1205 Anti lock brakes permanent codes U040168 CAN "
— Honda Insight owner, 12/09/2022
Source: NHTSA Complaints Database
Most Reported Vehicles for U0418
Based on NHTSA owner complaint data.
| # | Vehicle | Reports |
|---|---|---|
| 1 | FORD ESCAPE | |
| 2 | JEEP CHEROKEE | |
| 3 | HONDA CR-V | |
| 4 | HONDA ODYSSEY | |
| 5 | HONDA INSIGHT | |
| 6 | JEEP WRANGLER | |
| 7 | BMW X3 | |
| 8 | CHRYSLER PACIFICA |
U0418 Reports by Vehicle
Detailed NHTSA complaint analysis for each vehicle model.
Frequently Asked Questions
Can I drive with this code?
Will this code clear itself?
How do I find the exact cause?
What To Do Next
Possible Fixes
- 🔧 Have the code scanned with a professional-grade scanner to read freeze frame data
- 🔧 Test the relevant sensor(s) with a multimeter before replacing
- 🔧 Inspect wiring harness and connectors for damage, corrosion, or loose connections
- 🔧 If DIY repair isn't feasible, get a diagnostic from a trusted mechanic ($50-150)
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1
Find your vehicle above
Click your make and model for real owner reports and common causes specific to your vehicle.
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2
Check for recalls
Go to nhtsa.gov/recalls and enter your VIN. Free repairs if covered.
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Get a professional diagnosis
A code alone doesn't identify the exact failed part. A diagnostic ($50–$150) pinpoints the root cause.