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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSBUICK2000CENTURY CUSTOMREPAIR AND DIAGNOSISBODY & FRAMEDOOR LOCKSREMOTE KEYLESS ENTRY SYSTEMSSELF-DIAGNOSTIC SYSTEMRETRIEVING DIAGNOSTIC TROUBLE CODES
2000 Buick Century Custom
Retrieving Diagnostic Trouble Codes
2000 Buick Century CustomSECTION Retrieving Diagnostic Trouble Codes
NOTE:
For diagnostic trouble codes retrieving procedure, see SELF-DIAGNOSTIC SYSTEM in appropriate BODY CONTROL MODULES article.
Using scan tool, retrieve codes and perform appropriate test. See DIAGNOSTIC TROUBLE CODE INDEX table.
DIAGNOSTIC TROUBLE CODE INDEX
| DTC | Description |
|---|---|
| B3100 | Keyless Entry Data Link Circuit Malfunction |
| B3102 | Keyless Entry Data Link Circuit Low |
| B3103 | Keyless Entry Data Link Circuit High |
| B3106 | Keyless Entry Data Link Parity Error |
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.