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Home >> Chevrolet >> 2016 >> Volt Premier >> Repair and Diagnosis >> Engine Performance >> System >> Data Communication System - DTC B1000 To DTC U1817 >> Diagnostic Information and Procedures >> DTC U179A: Lost Communication with Hybrid Powertrain Control Module 2 >> Circuit/System Verification
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Circuit/System Verification

  1. Vehicle in Service Mode.
  2. Verify that DTC U0073, U0074, U0077, U0078, U007A, U1814, U2099, B1325, B1330, B1370, B1380, B1424, B1428, B1440, B1441, B1517, C0800, C0899, C12E1, P0560, or P0562 is not set.
    • If none of the DTCs are set 
  3. Refer to Circuit/System Testing.
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