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Home >> Cadillac >> 2016 >> ELR >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls And Fuel - 1.4L (LUU) - DTC P0449 To DTC 2635 And Diagnostic Information And Procedures >> Diagnostic Information and Procedures >> DTC P06E4 (ECM): Control Module Wake-Up Circuit Performance >> Repair Verification
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Repair Verification

  1. Drive the vehicle for greater than 0.1 mi.
  2. Park the vehicle and let is set for a minimum of 6 h. This allows the ECM to request a Hybrid/EV Powertrain Control Module 2 wake-up to occur
  3. Vehicle in Service Mode, verify this DTC did not set using the scan tool vehicle wide DTC check.
    • If DTC is set 

      Replace the K20 Engine Control Module and repeat steps 1 - 3.

    • If no DTC's are set 
  4. All OK.
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