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Home >> Chevrolet >> 2020 >> Malibu LS >> Repair and Diagnosis >> External Pages >> Different car >> Section 83 (Data Communication System - Diagnostic Information And Procedures (2 Of 2)) >> Diagnostic Information and Procedures >> DTC U1980 >> Circuit/System Verification

Circuit/System Verification

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  1. Ignition ON/Vehicle In Service Mode.
  2. Verify that DTC U1980 is not set.
    • If DTC U1980 is set 
    1. Program the K56 Serial Data Gateway Module.
    2. Verify the DTC does not set.
      • If the DTC sets, replace the K56 Serial Data Gateway Module.
      • Go to next step: If the DTC does not set
    3. All OK.
    • Go to next step: If DTC U1980 is not set 
  3. All OK
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