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 KREPAIR AND DIAGNOSISBODY & FRAMEMIRRORSPOWER MIRROR SYSTEMSELF-DIAGNOSTIC SYSTEMDIAGNOSTIC SYSTEM CHECK
2000 Buick Park Avenue Base, 3.8 K
Diagnostic System Check
2000 Buick Park Avenue Base, 3.8 KSECTION Diagnostic System Check
- Install scan tool. If scan tool powers up, go to next step. If scan tool does not power up, perform appropriate diagnostic procedure. See SELF-DIAGNOSTIC SYSTEM in appropriate BODY CONTROL MODULES article.
- Turn ignition switch to ON position. Following scan tool manufacturer's instructions, attempt to establish communication with Driver Door Module (DDM) and Powertrain Control Module (PCM). If communication with DDM and PCM is established, go to next step. If communication with DDM and PCM is not established, diagnose communication problem with class 2 device. See SELF-DIAGNOSTIC SYSTEM in appropriate BODY CONTROL MODULES article.
- Select display DTC function for DDM and PCM. Record all displayed DTCs, status of displayed DTCs and module that set the DTC. If DTCs are displayed, perform appropriate test. See DIAGNOSTIC TROUBLE CODE INDEX table. If no DTCs are displayed, perform system operation check. See SYSTEM OPERATION CHECK under TROUBLE SHOOTING.
DIAGNOSTIC TROUBLE CODE INDEX
| DTC | Description | ||||||
|---|---|---|---|---|---|---|---|
| B1563 | Mirror Switch Right Input Stuck High | ||||||
| B1568 | Mirror Switch Left Input Stuck High | ||||||
| B1573 | Mirror Switch Up Input Stuck High | ||||||
| B1578 | Mirror Switch Down Input Stuck High | ||||||
| B1656, B1982 Or B1983 | (1) | ||||||
| B2240 | Memory 1 Switch Failed | ||||||
| B2241 | Memory 2 Switch Failed | ||||||
| B2242 | Memory Exit Switch Failed | ||||||
| PXXXX | (2) | ||||||
| U1161 | Loss Of PDM Serial Data | ||||||
| U1162 | Loss Of RDM Serial Data | ||||||
| U1170 | Loss Of DDSA Serial Data | ||||||
| UXXXX | (3) | ||||||
|
|||||||
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.