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)DIAGNOSTIC INFORMATION AND PROCEDURESDIAGNOSTIC CODE INDEX
2006 Buick Terraza CXL, 3.5 L, AWD
Diagnostic Code Index
2006 Buick Terraza CXL, 3.5 L, AWDSECTION Diagnostic Code Index
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.
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| DTC B257A | Headlamp Switch Input Signal Mismatch |
| DTC B1395 03 | Voltage Below Threshold |
| DTC B1395 07 | Voltage Above Threshold |
| DTC B1480 | Battery Rundown Protection Circuit |
| DTC B2530 | Front Fog Lamps Control Circuit |
| DTC B2545 | Backup Lamps Circuit |
| DTC B2575 | Headlamp Control Circuit |
| DTC B2580 | Headlamp High Beam Control Circuit |
| DTC B2585 | Park Lamp Control Circuit |
| DTC B2600 | Daytime Running Lamp Control System Circuit |
| DTC B2610 | Passenger Compartment Dimming 1 Circuit |
| DTC B2615 | Passenger Compartment Dimming 2 (courtesy lamps, etc.) Circuit |
| DTC B2645 | Ambient Light Circuit |
| DTC B2652 | Passenger Compartment Dimming 3 |
| DTC B3445 | Stop Lamp Circuit |
| DTC B3600 | Passenger Compartment Dimming Request Signal Circuit |
| DTC C0277 06 | Brake Pedal Position Sensor Circuit Short to Ground or Open |
| DTC C0277 07 | Brake Pedal Position Sensor Circuit Voltage Above Threshold |
| DTC C0277 09 | Brake Pedal Position Sensor Circuit Rate of Change Above Threshold |
| DTC C0277 4B | Brake Pedal Position Sensor Calibration Not Learned |
| DTC C0297 | Powertrain Configuration Data Not Received |
| DTC C0890 03 | Voltage Below Threshold |
| DTC C0890 07 | Voltage Above Threshold |
| DTC P0572 | Brake Switch Circuit 1 Low Voltage |
| DTC P0573 | Brake Switch Circuit 1 High Voltage |
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.