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HOMESERVICE MANUALSCHEVROLET2011CHEVY EXPRESS G3500, VAN CARGO EXTENDED, 6.6 LREPAIR AND DIAGNOSISBRAKESTRACTION CONTROLANTILOCK BRAKE SYSTEMDIAGNOSTIC INFORMATION & PROCEDURESDTC C0710CIRCUIT/SYSTEM VERIFICATION
2011 Chevrolet Chevy Express G3500, Van Cargo Extended, 6.6 L

Circuit/System Verification

2011 Chevrolet Chevy Express G3500, Van Cargo Extended, 6.6 LSECTION Circuit/System Verification
NOTE:

If the condition is intermittent or cannot be duplicated, disconnect the connectors and add Nyogel lubricant 760G. This procedure will correct the high resistance condition due to terminal fretting corrosion.

  1. Ignition ON.
  2. Verify the scan tool Steering Wheel Position parameter corresponds to the actual steering wheel position as the steering wheel is turned through its entire range of motion.
    • If the parameter does not correspond with the steering wheel position or the reading is erratic 

      Refer to Circuit/System Testing below.

    • If the parameter corresponds with the steering wheel position 
  3. Verify the scan tool Digital HWPS Index Pulse parameter cycles between Low and High as the steering wheel is centered and then turned through its entire range of motion.
    • If the parameter does not cycle between Low and High as the steering wheel is turned 

      Refer to Circuit/System Testing below.

    • If the parameter cycles between Low and High as the steering wheel is turned 
  4. All OK.
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.