FixVault

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. Ignition ON.
  2. Verify DTC C056D is not set.
    • If DTC C056D is set 
      NOTE:

      Check power and ground on the engine wiring harness for faulty connections or corrosion before replacing the K43 Power Steering Control Module.

      Replace the K43 Power Steering Control Module.

    • If DTC C056D is not set 
  3. All OK