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 MANUALSCHEVROLET2006SUBURBAN K2500, 6.0 UREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1059 (SECONDARY AND CONFIGURABLE CUSTOMER CONTROLS)DIAGNOSTIC INFORMATION AND PROCEDURESSTEERING WHEEL CONTROLS INOPERATIVECIRCUIT/SYSTEM TESTING
2006 Chevrolet Suburban K2500, 6.0 U
Circuit/System Testing
2006 Chevrolet Suburban K2500, 6.0 USECTION Circuit/System Testing
WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT:
It is recommended that component testing is performed before circuit testing when diagnosing steering wheel controls.
- Ignition OFF, disconnect the harness connector at the right steering wheel control switch.
- Ignition ON, test for ignition voltage between the ignition circuit terminal 4 and ground.
- If less than specified value, test the ignition circuit for a short to ground or open/high resistance. If the circuit tests normal, replace the BCM.
- Test for the 0 volts between the signal circuit terminal 3 and ground.
- If greater than specified value, test the signal circuit for a short to voltage. If the circuit tests normal, replace the BCM.
- Test for ignition voltage between the ignition circuit terminal 4 and the signal circuit terminal 3.
- If less than specified value, test the signal circuit for an open/high resistance. If the circuit tests normal, replace the BCM.
- Ignition OFF, disconnect the harness connector X1 at the BCM.
- Test for infinite resistance between the signal circuit terminal 6 and ground.
- If less than specified value, test the signal circuit for a short to ground.
- If all circuits test normal, test or replace switch.
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.