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Home >> Chevrolet >> 2009 >> Traverse LS, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System & Fuel System - 3.6L - DTC P0192 To DTC P0629 >> DTC P0452 or P0453 >> Circuit/System Verification

Circuit/System Verification

  1. Ignition ON, observe the DTC information with a scan tool. DTC P0641, P0642 or P0643 should not be set.
  2. Observe the FTP Sensor voltage parameter. The FTP sensor voltage should be between 0.2-4.8 V.
  3. 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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