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Home >> Buick >> 2016 >> Envision >> Repair and Diagnosis >> External Pages >> Different car >> Section 93 (Power Steering System) >> Diagnostic Information and Procedures >> DTC C044A (NJ1): Steering System Engine Speed Signal Circuit Invalid Data >> Circuit/System Verification
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Circuit/System Verification

WARNING: This page is about a different car, the 2015 Buick LaCrosse. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON. Verify that DTC U0401 is not set.
    • If the DTC is not set 
  2. Verify that DTC C044A 71 is not set.
    • If the DTC is set 

      Replace the K43 Power Steering Control Module.

    • If the DTC is not set 
  3. All OK.
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