OBD
C0582
Brake Booster Motor A Phase U-V-W Circuit Range/Performance
What it means
C0582 means Brake Booster Motor A Phase U-V-W Circuit Range/Performance.
Check these first
- A brake booster motor A that is worn
- A phase winding in brake booster motor A that is out of balance
- Binding in brake booster motor A
- A failed brake system control module
What to do next
- Read brake booster motor A phase data on a scan tool
- Inspect the motor A for binding and damage
- Test the motor A phase circuits under load
- Compare the three phase currents
- Replace brake booster motor A if it stays out of range
- Clear the code and retest
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Updated
Generic SAE J2012 definition. Last updated 2026-10-10.