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Home › Chevrolet › 2016 › Suburban 3500 HD LS › Repair and Diagnosis › External Pages › Different car › Section 96 (Power Steering System) › Diagnostic Information and Procedures › DTC C0176: Control Module Temperature Sensor High Temperature › Circuit/System Verification

Circuit/System Verification

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2015 GMC Yukon XL, 2015 GMC Yukon, 2015 Chevrolet Tahoe, 2015 Chevrolet Suburban, and 2015 Cadillac Escalade ESV. However, it is still accessible from the selected car via links, so may be relevant.
  1. Verify that the DTC sets outside of the conditions for running and setting. Since most occurrences of this DTC are caused by excessive driver inputs, review with the customer the conditions under which the DTC set.
    • If the DTC did not set outside of the conditions for running and setting 
    1. Ignition ON.
    2. Operate the vehicle within the conditions that the customer experienced, avoiding excessive inputs, and verify the DTC does not reset.
      • If the DTC is set
      1. Verify that no steering components down stream of the power steering column assembly are mechanically binding. Refer to Steering Effort Hard in One or Both Directions 
        • If steering components are mechanically binding, replace the mechanically binding steering components.
        • If no steering components are mechanically binding, replace the M38 Power Steering Assist Motor.
      • If the DTC is not set
    3. All OK.
    • If the DTC set outside of the conditions for running and setting 
  2. All OK. The power steering is operating as designed.
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