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 MANUALSBUICK2000PARK AVENUE BASE, 3.8 KREPAIR AND DIAGNOSIS (SINGLE PAGE)BODY & FRAMESEATSPOWER SEAT SYSTEM
2000 Buick Park Avenue Base, 3.8 K
Power Seat System
2000 Buick Park Avenue Base, 3.8 KSECTION Power Seat System
- Description
- Operation
- Component Locations
- Adjustments
- Trouble Shooting
- Self-Diagnostic System
- Diagnostic Tests
- DTC B2101: Recline Aft Switch Failed
- DTC B2102: Recline Forward Switch Failed
- DTC B2103: Rear Vertical Down Switch Failed
- DTC B2104: Rear Vertical Up Switch Failed
- DTC B2105: Horizontal Aft Switch Failed
- DTC B2106: Horizontal Forward Switch Failed
- DTC B2107: Front Vertical Down Switch Failed
- DTC B2108: Front Vertical Up Switch Failed
- DTC B2109: Lumbar Aft Switch Failed
- DTC B2110: Lumbar Forward Switch Failed
- DTC B2111: Lumbar Down Switch Failed
- DTC B2112: Lumbar Up Switch Failed
- DTC B2113: Driver Belt Tower Down Switch Circuit Malfunction
- DTC B2114: Driver Belt Tower Up Switch Circuit Malfunction
- DTC B2115: Recline Position Sensor Failed
- DTC B2116: Rear Vertical Position Sensor Failed
- DTC B2117: Horizontal Position Sensor Failed
- DTC B2118: Front Vertical Position Sensor Failed
- DTC B2119: Lumbar Forward/Aft Position Sensor Failed
- DTC B2120: Lumbar Up/Down Position Sensor Failed
- DTC B2240 : Driver Memory 1 Select Switch Circuit Low
- DTC B2241: Driver Memory 2 Select Switch Circuit Low
- DTC B2242: Driver Memory Exit Switch Circuit Low
- System Tests
- Notes
- Test 1: Power Seat Functions Inoperative On One Seat (Without Memory)
- Test 2: Power Seat Functions Inoperative On One Seat (With Memory)
- Test 3: Power Seat Does Not Move Forward Or Backward (Without Memory)
- Test 4: Power Seat Does Not Move Forward Or Backward (With Memory)
- Test 5: Power Seat Does Not Tilt Forward (Without Memory)
- Test 6: Power Seat Does Not Tilt Forward (With Memory)
- Test 7: Power Seat Does Not Tilt Rearward (Without Memory)
- Test 8: Power Seat Does Not Tilt Rearward (With Memory)
- Test 9: Power Seat Does Not Recline (Without Memory)
- Test 10: Power Seat Does Not Recline (With Memory)
- Test 11: Memory Recall Switch(Es) Inoperative
- Test 12: Heated Seat Inoperative
- Test 13: Heated Seat Always On
- Test 14: Heated Seat Switch Hi Indicator Inoperative
- Test 15: Heated Seat Switch Lo Indicator Inoperative
- Test 16: Lumbar Support Inoperative (Without Memory)
- Test 17: Lumbar Support Inoperative (With Memory)
- Test 18: Lumbar Support Does Not Move Up/Down (Without Memory)
- Test 19: Lumbar Support Does Not Move Up Or Down (With Memory)
- Test 20: Lumbar Support Does Not Move In/Out (Without Memory)
- Test 21: Lumbar Support Does Not Move In/Out (With Memory)
- Removal & Installation
- Wiring Diagrams
RENDER: 1.0x
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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.