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Home › Chevrolet › 2014 › Volt › Repair and Diagnosis › Engine Performance › System › Data Communication System - DTC B1000 To DTC U183E › Diagnostic Information and Procedures › DTC P1EF8 › Circuit/System Verification

Circuit/System Verification

Vehicle in Service Mode.
Verify that DTC P1EB9 is not set.
- If DTC P1EB9 is set
  Refer to DTC P1EB9 .
- If DTC P1EB9 is not set
Refer to Circuit/System Testing .