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Home >> Chevrolet >> 2020 >> Malibu LS >> Repair and Diagnosis >> External Pages >> Different car >> Section 56 (Battery, Starting System And Charging System - Except Hybrid) >> Diagnostic Information and Procedures >> DTC P155E, P155F, or P156E >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2019 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.
    NOTE:

    If set only as a history DTC, do not replace any component.

  1. Ignition - On / Vehicle - In Service Mode
  2. Verify there are no other DTCs set, except for DTC P155E, P155F, P156E.
    • Go to next step: If no other DTCs are set 
  3. Replace the component:T19 Power Supply Transformer
  4. If the repair was related to a DTC, duplicate the Conditions for Running the DTC and use the Freeze Frame/Failure Records, if applicable, in order to verify the DTC does not set.
  5. If any of the DTCs are set 
  6. Replace the component:K20 Engine Control Module
    • Go to next step: If none of the DTCs are set 

All OK.

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