Brad's Car Manuals: A 3rd party mirror of CHARM + LEMON car manuals
Home >> Chevrolet >> 2017 >> Spark ACTIV, Standard Trans >> Repair and Diagnosis >> Engine Performance >> System >> Data Communication System >> Diagnostic Information and Procedures >> DTC U3012: Control Module Improper Wake-up Perfomance >> Circuit/System Verification

Circuit/System Verification

Download the full database via torrent (~1.1 TB)  |  Download Brad's custom LEMON patches
  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