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.
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HOMESERVICE MANUALSBUICK2000CENTURY CUSTOMREPAIR AND DIAGNOSISBRAKESTRACTION CONTROLANTI-LOCK BRAKE SYSTEM WITH TRACTION CONTROL SYSTEM - DELPHI 7DIAGNOSIS & TESTINGSYMPTOM DIAGNOSIS
2000 Buick Century Custom
Symptom Diagnosis
2000 Buick Century CustomSECTION Symptom Diagnosis
If no DTCs are stored, perform appropriate symptom diagnostic test as necessary. See SYMPTOM DIAGNOSTIC INDEX table.
SYMPTOM DIAGNOSTIC INDEX
| Symptom | (1) Test | ||
|---|---|---|---|
| Scan Tool Does Not Communicate With Class 2 Device In Data Link Communications | A | ||
| ABS Indicator Always On | B | ||
| ABS Indicator Inoperative | C | ||
| Low Traction Indicator Always On | D | ||
| Low Traction Indicator Inoperative | E | ||
| Traction Control Indicator Always On | F | ||
| Traction Control Indicator Inoperative | G | ||
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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.