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Home >> Chevrolet >> 2019 >> Spark LS, Standard Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 50 (Data Communication System) >> Diagnostic Information and Procedures >> DTC U3012: Control Module Improper Wake-up Perfomance >> Circuit/System Verification
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Circuit/System Verification

WARNING: This page is about a different car, the 2017 Chevrolet Spark. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON.
  2. Verify DTC U3012 is not set.
    • If DTC U3012 is set 

      Replace the device that set the DTC.

    • If DTC U3012 is not set 
  3. All OK