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Home >> Chevrolet >> 2015 >> Spark EV >> Repair and Diagnosis >> Engine Performance >> Data Communication System - DTC B1000 To DTC U1839 >> Diagnostic Information and Procedures >> DTC U182E: Drive Motor Control Module 1 Lost Communication with Hybrid/EV Powertrain Control Module 2 on Powertrain Expansion Communication Bus >> Circuit/System Verification
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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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