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Home >> Chevrolet >> 2013 >> Trax LS, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> System >> Data Communication System >> Diagnostic Information and Procedures >> DTC U0020 >> Circuit/System Verification

Circuit/System Verification

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Diagnosis of this DTC is accomplished via the symptom or an additional DTC. Refer to Scan Tool Does Not Communicate with Low Speed GMLAN Device  or Diagnostic Trouble Code (DTC) List - Vehicle .

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