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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSBUICK2006TERRAZA CXL, 3.5 L, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 255 (LIGHTING SYSTEMS)DIAGNOSTIC INFORMATION AND PROCEDURESDTC B2610CIRCUIT/SYSTEM TESTING
2006 Buick Terraza CXL, 3.5 L, AWD
Circuit/System Testing
2006 Buick Terraza CXL, 3.5 L, AWDSECTION Circuit/System Testing
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.
- Disconnect the HVAC control head. Verify the DTC resets.
- If the DTC does not reset, replace the HVAC control head.
- Disconnect the radio. Verify the DTC resets.
- If the DTC does not reset, replace the radio.
- Disconnect the DIC switch. Verify the DTC resets.
- If the DTC does not reset, replace the DIC switch.
- Disconnect the cruise control switch. Verify the DTC resets.
- If the DTC does not reset, replace the cruise control switch.
- Disconnect the steering wheel control switches. Verify the DTC resets.
- If the DTC does not reset, replace the steering wheel control switches.
- Test for a short to ground in the LED Dimming Supply circuit.
- If all circuits/connections test normal, replace the BCM.
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.