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 MANUALSCHEVROLET2006SUBURBAN K2500, 6.0 UREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1143 (ANTI-LOCK BRAKE SYSTEM, TRACTION CONTROL SYSTEM & STABILITY CONTROL SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESDTC C0035 OR C0040 (WITH JL4 VSES)COMPONENT TESTING
2006 Chevrolet Suburban K2500, 6.0 U
Component Testing
2006 Chevrolet Suburban K2500, 6.0 USECTION Component Testing
WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition OFF, disconnect the harness connector at the suspect wheel speed sensor.
- Ignition On, test at the harness connector for 10-12 volts between the signal circuit terminal, and low reference circuit terminal.
- If not within the specified range, perform the Circuit/System Testing procedure.
- Connect a jumper wire between the signal circuit terminal on the harness side, and to the wheel speed sensor signal circuit terminal on the WSS.
- Connect a DMM between the low reference terminal at the WSS, and to the low reference terminal on the harness connector. Set up the DMM to measure mA using the DC scale.
- Spin the wheel very slowly. Using the DMM MIN/MAX feature, test for 4-8 mA on the MIN capture, and 12-16 mA on the MAX capture. The sensor mA readings should toggle from high to low with in the specified range.
- If not within the specified range, replace the wheel speed sensor.
- If all sensor circuits test normal, perform the Circuit/System Testing procedure.
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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.