LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Buick >> 2019 >> Envision Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 40 (Power Steering System) >> Diagnostic Information and Procedures >> DTC C056D (Power Steering Control Module) >> Circuit/System Verification
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Circuit/System Verification

WARNING: This page is about a different car, the 2018 Buick Envision. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition - On/Vehicle - In Service Mode
  2. Verify DTC C056D is not set.
    • If the DTC is set 
    1. Perform all necessary programming and setup procedures for the control module: K43 Power Steering Control Module
    2. Verify the DTC does not set.
      • If the DTC sets - Replace the component: K43 Power Steering Control Module
      • Go to next step: If the DTC is not set
    3. All OK.
    • Go to next step: If the DTC is not set 
  3. All OK.
scientia non olet · About LEMON Manuals