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Home › Cadillac › 2014 › ELR › Repair and Diagnosis › Engine Performance › System › Data Communication System - DTC B1000 To DTC U183C › Diagnostic Information and Procedures › DTC U1807 › Circuit/System Verification

Circuit/System Verification

  1. Vehicle in Service Mode.
  2. Verify DTC U1807 is not set.
    • If DTC U1807 is not set 
  3. All OK
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