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. A hydraulic brake system is only as strong as its weakest connection.
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