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Home >> Buick >> 2016 >> Verano Base, Gas >> Repair and Diagnosis >> External Pages >> Different car >> Section 5 (Data Communication System) >> Diagnostic Information and Procedures >> DTC U0300 - U0336: Control Module U Code List >> Circuit/System Verification
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Circuit/System Verification

WARNING: This page is about a different car, the 2015 Buick Verano. 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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