Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Test B: Abs Indicator Always On
2000 Buick Century CustomSECTION Test B: Abs Indicator Always On
- Perform diagnostic system check. See DIAGNOSTIC SYSTEM CHECK under DIAGNOSIS & TESTING. After performing diagnostic system check, go to next step.
- Install scan tool. Turn ignition on, with engine off. Using scan tool, go to OUTPUT CONTROLS in instrument panel display. Using the WOW mode on scan tool, turn all instrument panel indicators on and off. The ABS indicator should turn on and then off when commanded. If ABS indicator turns on and off, go to next step. If ABS indicator does not turn on and off, go to step 4 .
- Replace EBCM. After replacing EBCM, go to step 5 .
- Diagnose instrument panel. Repair or replace as necessary. After repairing instrument panel, go to next step.
- Using scan tool, clear DTCs. Recheck DTCs. If DTC resets, go to step 2 . If DTC does not reset, system is okay.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.