Circuit/System Verification

2019 Chevrolet Tahoe LS, 4WD, Gas/EthanolSECTION Circuit/System Verification
WARNING: This page is about a different car, the 2019 Chevrolet Suburban 3500 HD. However, it is still accessible from the selected car via links, so may be relevant.
  1. Test drive the vehicle at speeds greater than 16 km/h (10 MPH).
  2. Verify all scan tool Wheel Speed Sensor parameters are within 4 km/h (2.5 MPH) of each other.
    • If any parameter is not within 4 km/h (2.5 MPH) of each other 

      Refer to Circuit/System Testing.

    • Go to next step: If each parameter is within 4 km/h (2.5 MPH) of each other 
  3. Verify DTC C0035, C0040, C0045, or C0050 is not set.
    • If any of the DTCs are set 

      Diagnose each wheel speed sensor individually, refer to Circuit/System Testing.

    • Go to next step: If none of the DTCs are set 
  4. All OK.
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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.