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Home >> Cadillac >> 2010 >> STS 3.6 V, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 17 (Engine Controls And Fuel - 4.6L (LH2) - DTC P0010 To DTC P0333) >> DTC P0068 or P0121 >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different variant/trim than selected.
  1. If DTCs P0101, P0106, or P0120 are set, refer to Diagnostic Trouble Code (DTC) List - Vehicle for further diagnosis.
  2. Ignition ON, observe the scan tool MAP sensor parameter. The MAP sensor parameter should be within the range specified for your altitude. Determine the altitude at your current location and refer to Altitude Versus Barometric Pressure .
  3. Engine running, observe the DTC information with a scan tool. DTCs P0068 or P0121 should not set.
  4. 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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