Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Chevrolet >> 2016 >> Silverado 1500 SSV, 4WD, Part Time T/Case Control, Gas >> Repair and Diagnosis >> Engine Performance >> System >> Data Communication System - Diagnostic Information And Procedures >> Diagnostic Information and Procedures >> DTC U1818: Lost Communication with Engine Control Module on Powertrain Expansion Communication Bus >> Circuit/System Verification

Circuit/System Verification

  1. Ignition ON.
  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. Verify that DTC U0100 is not set.
    • If DTC U0100 is not set 
  4. Refer to Circuit/System Testing.
scientia non olet · About Mike's Workshop Manuals