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 MANUALSCHEVROLET2008CHEVY EXPRESS G3500, VAN PASSENGER EXTENDEDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 526 (ANTILOCK BRAKE SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESDTC C0710CIRCUIT/SYSTEM VERIFICATION
2008 Chevrolet Chevy Express G3500, Van Passenger Extended
Circuit/System Verification
2008 Chevrolet Chevy Express G3500, Van Passenger ExtendedSECTION Circuit/System Verification
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2009 GMC Savana Special, 2009 GMC Savana Camper Special, 2009 GMC Savana, 2009 Chevrolet RV Cutaway, and 2009 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition ON, observe the DTC information with the scan tool.
- Verify that DTC C0292 has not set. If DTC C0292 has set, refer to Diagnostic Trouble Code (DTC) List - Vehicle .
- Ignition OFF, disconnect the steering wheel position sensor (SWPS) connector.
- Ignition OFF, test for less than 1 ohm of resistance between the low reference circuit terminal 8 and ground.
- If greater than 1 ohm, test the low reference circuit and the EBCM ground circuit terminals 1 and 25 for a short to voltage or an open/high resistance. If the circuits test normal, replace the EBCM.
- Test the signal phase A circuit terminal 3, signal phase B circuit terminal 4, and 5-volt reference circuit terminal 1, and the low reference circuit terminal 8 for an open/high resistance or a short to voltage or ground.
- If all circuits test normal, replace the SWPS.
- If the DTC sets again after replacing the SWPS, replace the EBCM.
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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.