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Home >> Porsche >> 1990 >> 928 Standard >> Repair and Diagnosis >> Brakes >> Traction Control >> Anti-Lock Brake System >> Trouble Shooting

Trouble Shooting

With engine running, repeat proper tests. Ensure brake force is not changed during test. Charge battery and run engine. If Lamp 2 (Red) comes on, check following conventional brake system components:

NOTE: If all components are okay, but tests are not, replace hydraulic unit.