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Buick
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2021
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Envision Preferred, AWD
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Repair and Diagnosis
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Steering
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Power Steering System
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Diagnostic Information and Procedures
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DTC C1146
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Circuit/System Verification
Circuit/System Verification
Verify that DTC C1146 is not set.
If the DTC is set
Replace the K43 Power Steering Control Module.
Go to next step: If the DTC is not set
All OK.