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 MANUALSBUICK2000PARK AVENUE BASE, 3.8 1REPAIR AND DIAGNOSIS (SINGLE PAGE)BODY & FRAMEBODY, CAB CONTROL SYSTEMSBODY CONTROL MODULESSYSTEM TESTSSTANDARD BODY MODULE (SBM) DIAGNOSTIC SYSTEM CHECK
2000 Buick Park Avenue Base, 3.8 1
Standard Body Module (SBM) Diagnostic System Check
2000 Buick Park Avenue Base, 3.8 1SECTION Standard Body Module (SBM) Diagnostic System Check
- Connect scan tool to Data Link Connector (DLC). If scan tool works, go to next step. If scan tool does not work, go to SCAN TOOL DOES NOT POWER UP .
- Turn ignition on. Using scan tool, attempt to establish communications with Standard Body Module (SBM). If scan tool communicates with SBM, go to next step. If scan tool does not communicate with SBM, go to SCAN TOOL DOES NOT COMMUNICATE WITH CLASS 2 SERIAL DATA LINE .
- Check for DTCs. If no "U" prefix DTCs exist, go to next step. If any "U" prefix DTCs exist, go to SCAN TOOL DOES NOT COMMUNICATE WITH CLASS 2 SERIAL DATA LINE .
- If DTC B1982 or B1983 exists, go to DTC B1982: BATTERY POWER VOLTAGE TOO HIGH DTC B1983: BATTERY POWER VOLTAGE TOO LOW . If DTC B1982 and B1983 do not exist, go to appropriate DTC test. See DTC IDENTIFICATION table under SELF-DIAGNOSTIC SYSTEM.
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.