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Circuit/System Verification

WARNING:

The eAssist battery pack assembly will utilize an exchange program. Please consult the most recent revision of bulletin/PI# PIC5520, available in Service Information (SI), for a list of approved eAssist battery pack assembly service procedures. Components that may be removed and serviced without exchanging the complete battery pack assembly are identified in the bulletin/PI. Please contact the GM Technical Assistance Center (1-877-446-8227) if you have any questions.

  1. Ignition ON.
  2. Verify that DTC U0293 is not set.
    • If DTC U0293 is not set 
  3. Verify that DTC U1831 is not set current.
    • If DTC U1831 is set current 

      Replace the K59 starter/generator control module.

    • If DTC U1831 is not set 
  4. All OK.
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