U0415
Invalid Data Received from ABS Control Module
A control module is communicating with the ABS module but receives implausible data — wrong wheel speeds, checksum errors or out-of-range values. ESP/ESC and traction control deactivate and adaptive cruise control becomes unavailable.
- Check engine light: Yes
- Emissions related: No
- Repair difficulty: hard
Symptoms
- Multiple warning lights may illuminate
- Affected modules may go into limp mode or shut down
- Specific functions inoperative depending on module
- Diagnostic tools may show communication faults
Common causes
Ordered by how often each turns out to be the cause.
- ABS internal sensor or processing faultPossible
- Wheel speed sensor fault feeding ABSPossible
- ABS software bug or outdated calibrationLess likely
Parts involved
- ABS Control Module
- Wheel Speed Sensor
- CAN Bus Wiring
U0415 is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.