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Home >> Chevrolet >> 2020 >> Malibu LS >> Repair and Diagnosis >> External Pages >> Different car >> Section 113 (Data Communication System - Diagnostic Information And Procedures (1 Of 2)) >> Diagnostic Information and Procedures >> DTC U0074 (Powertrain Expansion Bus with HP4) >> Circuit/System Verification

Circuit/System Verification

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  1. Ignition ON/Vehicle In Service Mode.
  2. Verify that DTC P0606 is not set.
    • Go to next step: If DTC P0606 is not set 
  3. Refer to Circuit/System Testing.
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