Hydraulic Control Module Diagnostics
Tomorrow's Technician
MARCH 7, 2025
This will release or bleed off the hydraulic pressure that is holding the wheel. HCUMechanicalProblems Mechanical issues with the HCU are rare, but they can occur. When the ABS activates, the pulsing of pressure can create a hydraulic jackhammer. ESC systems will typically have 12 or more. This is a normal braking event.
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