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Home >> Buick >> 2013 >> Encore Leather, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 83 (Data Communication System) >> Diagnostic Information and Procedures >> DTC U0300 - U0336: Control Module >> Circuit/System Verification
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Circuit/System Verification

WARNING: This page is about a different car, the 2016 Chevrolet Trax and 2016 Buick Encore. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON.
  2. Verify DTC U0300-U0336 is not set.
    • If DTC U0300-U0336 is set 
    1. Program the device specified by the DTC descriptor.
    2. Verify the DTC does not set.
      • If the DTC sets, replace the device specified by the DTC descriptor.
      • If the DTC does not set
    3. All OK.
    • If DTC U0300-U0336 is not set 
  3. All OK
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