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Home >> Chevrolet >> 2009 >> Traverse LS, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System & Fuel System - 3.6L - DTC P0638 To DTC P2635 >> DTC P2232 or P2235 >> Circuit/System Verification
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Circuit/System Verification

  1. Ignition ON, observe the appropriate HO2S 2 voltage parameter. The HO2S 2 voltage parameter should be less than 1, 050 mV.
  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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