C1237-3: Check All Brake Tubes/Hoses

- Carefully inspect all brake tubes from each wheel to the Hydraulic Control Unit (HCU), for loose fittings, pinched tubes or kinked hoses.

- Are all brake tubes/hoses OK?

YES -- Go to C1237-4. C1237-4: Check Wheel Speed Sensor Output

NO -- Service hose(s)/tube(s) as necessary.