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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 B2B12 or B2B13 >> Circuit/System Verification

Circuit/System Verification

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  1. Ignition ON/Vehicle in Service Mode.
  2. Verify that DTC B2B12 or B2B13 is not set.
    • If any of the DTCs are set 

      Replace the K56 Serial Data Gateway Module.

    • Go to next step: If none of the DTCs are set 
  3. All OK
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