Problem: This vehicle came in to the shop
with the antilock brake warning indicator on. The technician
connected a scan tool and pulled the codes listed below. They
test drove the vehicle and confirmed that the brakes would
C0221 – Right Front ABS Channel in Release Too Long
C0040 – Right Front Wheel Speed Sensor Circuit
Details: With the scan tool, the technician
observed that the right front wheel speed sensor PID would drop
out and the signal was erratic. After inspecting the right front
wheel speed sensor and the hub assembly, he found that the wheel
hub was damaged.
Confirmed Repair: The hub assembly was
replaced, the DTCs cleared, and the vehicle test driven. No DTCs
returned and the brakes operated normally.