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Home >> GMC >> 2011 >> Terrain SLT, 2.4 C, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 23 (Engine Controls And Fuel - 3.0L - DTC P0010 Through DTC P0191) >> DTC P0178 >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different variant/trim than selected.
  1. Engine running, verify the scan tool Fuel Composition Sensor parameter is between 50-150 Hz.
  2. Operate the vehicle within the Conditions for Running the DTC to verify the DTC does not reset. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.
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