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Home >> Hummer >> 2009 >> H3 Base, Automatic >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission - DTC P0218 To DTC P2771 >> DTC P0976 or P0977 >> Circuit/System Verification

Circuit/System Verification

  1. Ignition ON, engine OFF, observe the 2-3 Sol. CKT Status parameter while commanding the 2-3 SS ON and OFF with a scan tool. The reading should display OK or Indeterminate.
  2. Operate the vehicle within the Conditions for Running the DTC. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.
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