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 173 (LIGHTING SYSTEMS)
2006 Buick Terraza CXL, 3.5 L, AWD
Section 173 (Lighting Systems)
2006 Buick Terraza CXL, 3.5 L, AWDSECTION Section 173 (Lighting Systems)
WARNING: This page is about a different car, the 2006 Chevrolet Monte Carlo and 2006 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.
- Specifications
- Schematic and Routing Diagrams
- Component Locator
- Lighting Systems Component Views
- Lighting Systems Connectors
- Ambient Light Sensor
- Backup Lamp - Left
- Backup Lamp - Right
- Brake Pedal Position Sensor
- Center High Mounted Stop Lamp (CHMSL)
- Dome/Reading Lamp
- Emergency Vehicle Rear Window Panel Lamp - Left (9C1/9C3)
- Emergency Vehicle Rear Window Panel Lamp - Right (9C1/9C3)
- Fog Lamp - LF (T96)
- Fog Lamp - RF (T96)
- Headlamp - High Beam - Left
- Headlamp - High Beam - Right
- Headlamp - Low Beam - Left
- Headlamp - Low Beam - Right
- Headlamp Switch
- I/P Courtesy Lamp - Left
- I/P Courtesy Lamp - Right
- License Lamp
- Marker Lamp - LF
- Marker Lamp - LR (Coupe)
- Marker Lamp - RF
- Marker Lamp - RR (Coupe)
- Park/Turn Signal Lamp - LF
- Park/Turn Signal Lamp - RF
- Reading Lamp Assembly (9C1/9C3)
- Rear Compartment Courtesy Lamp
- Spot Lamp - Left (7X6, 7X7)
- Spot Lamp - Right (7X6, 7X7)
- Tail Lamp - Left
- Tail Lamp - Right
- Tail/Stop and Turn Signal Lamp - Left
- Tail/Stop and Turn Signal Lamp - Right
- Turn Signal/Multifunction Switch C1
- Turn Signal/Multifunction Switch C2
- Turn Signal/Multifunction Switch C3
- Vanity Mirror Lamp - Left (DH6)
- Vanity Mirror Lamp - Right (DH6)
- Diagnostic Information and Procedures
- Diagnostic Procedure Instructions
- Notes
- Diagnostic Instructions
- DTC Descriptor
- Diagnostic Fault Information
- Typical Scan Tool Data
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Action Taken When the DTC Sets
- Conditions for Clearing the DTC
- Diagnostic Aids
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Component Testing
- Repair Instructions
- Repair Verification
- Diagnostic Code Index
- Diagnostic Starting Point - Lighting Systems
- Scan Tool Output Controls
- Scan Tool Data List
- Scan Tool Data Definitions
- DTC B257A
- DTC B1395
- DTC B1480
- DTC B2530
- Diagnostic Instructions
- Circuit Description
- DTC Descriptor
- Diagnostic Fault Information
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Action Taken When the DTC Sets
- Conditions for Clearing the DTC
- Diagnostic Aids
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Repair Procedures
- DTC B2545
- Diagnostic Instructions
- DTC Descriptor
- Diagnostic Fault Information
- Circuit Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Action Taken When the DTC Sets
- Conditions for Clearing the DTC
- Diagnostic Aids
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Repair Procedures
- DTC B2575
- Diagnostic Instructions
- Circuit Description
- DTC Descriptor
- Diagnostic Fault Information
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Action Taken When the DTC Sets
- Conditions for Clearing the DTC
- Diagnostic Aids
- Test Description
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Repair Procedures
- DTC B2580
- Diagnostic Instructions
- Circuit Description
- DTC Descriptor
- Diagnostic Fault Information
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Action Taken When the DTC Sets
- Conditions for Clearing the MIL/DTC
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Repair Procedures
- DTC B2585
- Diagnostic Instructions
- DTC Descriptor
- Diagnostic Fault Information
- Circuit Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Action Taken When the DTC Sets
- Conditions for Clearing the DTC
- Diagnostic Aids
- Test Description
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Repair Procedures
- DTC B2600
- Diagnostic Instructions
- DTC Descriptor
- Diagnostic Fault Information
- Circuit Description
- Conditions for Running the DTCs
- Conditions for Setting the DTC
- Action Taken When the DTC Sets
- Conditions for Clearing the DTC
- Diagnostic Aids
- Test Description
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Repair Procedures
- DTC B2610
- DTC B2615
- Diagnostic Instructions
- DTC Descriptor
- Diagnostic Fault Information
- Circuit Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Action Taken When the DTC Sets
- Conditions for Clearing the MIL/DTC
- Diagnostic Aids
- Test Description
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Repair Procedures
- DTC B2645
- DTC B2652
- DTC B3445
- DTC B3600
- DTC C0277
- DTC C0297
- DTC C0890
- DTC P0572
- DTC P0573
- Symptoms - Lighting Systems
- Backup Lamps Always On
- Backup Lamps Inoperative
- Courtesy Lamps Malfunction
- Courtesy Lamps Always On
- Courtesy Lamps Inoperative
- Daytime Running Lamps Malfunction
- Daytime Running Lamps (DRL) Inoperative
- Fog Lamps Always On
- Front Fog Lamps Malfunction
- Fog Lamps Inoperative
- Hazard Lamps Malfunction
- Hazard Lamps Always On
- Hazard Lamps Inoperative
- Headlamps Malfunction
- Headlamps Always On - Low or High Beam
- Headlamps Inoperative - High Beams
- Headlamps Inoperative - Low Beams
- Headlamps Inoperative - Flash to Pass
- Illuminated Entry Lamps Inoperative
- Interior Backlighting Malfunction
- Interior Backlighting Does Not Dim
- Interior Backlighting Inoperative
- Instrument Panel (I/P) Compartment Lamp Inoperative
- Instrument Panel (I/P) Compartment Lamp Always On
- Park, License, and/or Tail Lamps Malfunction
- Park, License, and Tail Lamps Always On
- Park, License, and Tail Lamps Inoperative
- Reading Lamp(s) Always On
- Reading Lamp(s) Inoperative
- Rear Compartment Lamp(s) Always On
- Rear Compartment Lamp(s) Inoperative
- Stop Lamps Malfunction
- Stop Lamps Always On
- Stop Lamps Inoperative
- Turn Signal Lamps and/or Indicators Malfunction
- Turn Signal Lamps and/or Indicators Always On or Flashing
- Turn Signal Lamps and/or Indicators Inoperative
- Vanity Mirror Lamp(s) Always On
- Vanity Mirror Lamp(s) Inoperative
- Diagnostic Procedure Instructions
- Repair Instructions
- Brake Pedal Position Sensor Calibration
- Brake Pedal Position Sensor Replacement
- Headlamp Switch Replacement (Impala)
- Headlamp Switch Replacement (Monte Carlo)
- Daytime Running Lamps (DRL) Ambient Light Sensor Replacement
- Emergency Vehicle Interior Switch Replacement (Impala)
- Emergency Vehicle Headlamp Flasher Replacement
- Emergency Vehicle Rear Flasher Replacement
- Reading Lamp Bulb Replacement
- Instrument Panel Courtesy Lamp Replacement
- Vanity Mirror Lamp Bulb Replacement
- Dome Lamp Replacement (Impala)
- Dome Lamp Replacement (Monte Carlo)
- Dome Lamp Bulb Replacement (Impala)
- Dome Lamp Bulb Replacement (Monte Carlo)
- Headlamp Replacement (Impala)
- Headlamp Replacement (Monte Carlo)
- Headlamp Bulb Replacement
- Headlamp Aiming
- Fog Lamp Replacement - Front
- Fog Lamp Bulb Replacement - Front
- Fog Lamp Aiming Procedure
- High Mounted Stop Lamp Replacement (Monte Carlo)
- High Mounted Stop Lamp Replacement (Impala)
- Backup Lamp Bulb Replacement
- Rear License Lamp Replacement (Monte Carlo)
- Rear License Lamp Replacement (Impala)
- Tail Lamp Replacement (Monte Carlo)
- Tail Lamp Replacement (Impala)
- Tail Lamp Bulb Replacement
- Turn Signal Lamp Bulb Replacement - Rear
- Emergency Vehicle Rear Compartment Lid Lamp Replacement (Impala RPO T53)
- Rear Compartment Lamp Replacement
- Description and Operation
RENDER: 1.0x
NO RELATED
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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.