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. Ignition ON.
  2. Verify that DTC C0558 46 is not set.
    • If DTC C0558 46 is setΒ 
    1. Program the K17 Electronic Brake Control Module.
    2. Verify the DTC does not set.
      • If the DTC sets, replace the K17 Electronic Brake Control Module.
      • Go to next step: If the DTC does not set
    3. All OK.
    • Go to next step: If DTC C0558 46 is not setΒ 
  3. All OK.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.