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 MANUALSBUICK2006TERRAZA CXL, 3.5 L, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 278 (MIRROR SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESSCAN TOOL DATA LIST
2006 Buick Terraza CXL, 3.5 L, AWD
Scan Tool Data List
2006 Buick Terraza CXL, 3.5 L, AWDSECTION Scan Tool Data List
WARNING: This page is about a different car, the 2007 Chevrolet Monte Carlo and 2007 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.
Body Control Module (BCM)
| Scan Tool Parameter | Data List | Units Displayed | Typical Data Value |
|---|---|---|---|
| Battery power is the only requirement for Data, Inputs, Module Information and Lock Outputs. | |||
| Base Model Part Number | Module Information 1 | Number | varies |
| All Door Lock Motors | Outputs | OFF/ON | OFF |
| Battery Voltage | Data | 9.0 -16.0 Volts | 12.8 Volts |
| Driver Door Unlock Motors | Outputs | OFF/ON | OFF |
| Left Rear Door Ajar Sw. | Inputs | Closed/Ajar | Closed |
| LF Door Ajar Switch | Inputs | Door Closed/Ajar | Door Closed |
| LF Door Lock Switch | Inputs | Idle/Lock/Unlock/Invalid | Idle |
| LF Door Open Switch | Inputs | Closed/Open | Closed |
| LF Key Cylinder Lock Switch | Inputs | Idle/Lock/Unlock/Invalid | Idle |
| LR Door Open Switch | Inputs | Closed/Open | Closed |
| Passenger Door Unlock Motors | Outputs | OFF/ON | OFF |
| RF Door Ajar Switch | Inputs | Door Closed/Ajar | Door Closed |
| RF Door Lock Switch | Inputs | Idle/Lock/Unlock/Invalid | Idle |
| RF Door Open Switch | Inputs | Closed/Open | Closed |
| RF Key Cylinder Lock Switch | Inputs | Idle/Lock/Unlock/Invalid | Idle |
| Right Rear Door Ajar Sw. | Inputs | Closed/Ajar | Closed |
| RR Door Open Sw. | Inputs | Closed/Open | Closed |
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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.