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 148 (ENGINE CONTROL SYSTEM - 3.6L (LY7) - DTC P0135 TO DTC P0430)DTC P0318TEST DESCRIPTION
2006 Buick Terraza CXL, 3.5 L, AWD
Test Description
2006 Buick Terraza CXL, 3.5 L, AWDSECTION Test Description
WARNING: This page is about a different car, the 2006 Buick LaCrosse and 2006 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
The numbers below refer to the step numbers on the diagnostic table.
- 2: A condition with the wheel speed sensors or the serial data circuits between the EBCM and ECM can cause this DTC.
DTC P0318
| Step | Action | Yes | No |
|---|---|---|---|
| 1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | Go to Diagnostic System Check - Vehicle in Vehicle DTC Information |
| 2 | Are there any UXXX DTCs set? | Go to Diagnostic Trouble Code (DTC) List - Vehicle | Go to Diagnostic Starting Point - Antilock Brake System in Antilock Brake System |
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.