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Home >> Chevrolet >> 2015 >> City Express LS >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> Data Communication System >> Diagnostic Information And Procedures >> DTC U1117: Lost Communication With Electronic Brake Control Module >> Circuit/System Verification
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Circuit/System Verification

  1. Verify that DTC U0073 or U1000 is not set.
    • Go to next step: If none of the DTCs are set 
  2. Refer to Circuit/System Testing below.
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