U0419
Invalid Data Received from Brake System Control Module
The Brake System Control Module is present on the data bus but the values it reports are implausible — out of range, frozen, or failing the checksum or rolling-count check. The receiving modules reject the data. The redundant brake controller's data is rejected and the brake assists are limited. Causes include a faulty sensor feeding the module, internal computation errors, a software or calibration mismatch after a repair, or bus interference corrupting the frames.
The Brake System Control Module is present on the data bus but the values it reports are implausible — out of range, frozen, or failing the checksum or rolling-count check. The receiving modules reject the data. The redundant brake controller's data is rejected and the brake assists are limited. Causes include a faulty sensor feeding the module, internal computation errors, a software or calibration mismatch after a repair, or bus interference corrupting the frames.
Common causes
- high
Wheel-speed sensor data implausible
One of the most commonly reported causes for this code — check this first.
Typical part cost: $90-1650
- medium
ABS internal computation fault
A plausible cause — test and verify before replacing parts.
Typical part cost: $90-1650
See all causes + fix costs
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First things to check
- 1Confirm the code with a scan tool and check for additional related codes.
- 2Inspect the relevant sensors, wiring, and connectors for damage or corrosion.
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Related codes
See related trouble codes
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Frequently asked questions
What does U0419 mean?
U0419 means "Invalid Data Received from Brake System Control Module". It is a generic OBD-II code that points to a fault in the network / communication.
What are the most common causes of U0419?
wheel-speed sensor data implausible; abs internal computation fault; gateway module routing can messages incorrectly — these are the most commonly reported causes. Verify with a proper diagnosis before replacing parts, or use the Wrenchify app for a vehicle-specific diagnosis.
Can I keep driving with this code?
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical. Use the Wrenchify app for a full diagnosis specific to your vehicle.
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