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Home >> GMC >> 2022 >> Hummer EV >> Repair and Diagnosis >> Suspension >> Suspension Control Systems >> Suspension Controls System >> Diagnostic Information and Procedures >> DTC C103C-C103F >> Circuit/System Verification

Circuit/System Verification

  1. Verify DTCs C103C 11, C103C 12, C103C 15, C103D 11, C103D 12, C103D 15, C103E 11, C103E 12, C103E 15, C103F 11, C103F 12 or C103F 15 are not set.
    • If any of the DTCs are set 

      Refer to Circuit/System Testing: Test A

    • Go to next step: If DTCs are not set 
  2. Verify DTCs C103C 64, C103D 64, C103E 64, or C103F 64 are not set.
    • If one of the DTCs are set 

      Refer to Circuit/System Testing: Test B

    • Go to next step: If DTCs are not set 
  3. Verify DTCs C103C 28, C103D 28, C103E 28, or C103F 28 are not set.
    • If one of the DTCs are set 

      Refer to Circuit/System Testing: Test C

    • Go to next step: If DTCs are not set 
  4. A fault is not currently present and may be an intermittent condition.
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