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Home >> Pontiac >> 2005 >> Grand Prix GXP >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 5.3L - DTC P0016 To P0141 >> DTC P0120 >> Test Description
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Test Description

The number below refers to the step number on the diagnostic table.

  1. 2:  This step verifies that other DTCs are set.
DTC P0120

Step Action Yes No
Schematic Reference: Engine Controls Schematics
Connector End View Reference:  PSD SIE TITLE Error: SIE linked to empty Cell ID 138928 or Engine Controls Connector End Views
1 Did you perform the Diagnostic System Check - Vehicle? Go to Step 2  Go to Diagnostic System Check - Vehicle
Are any other DTCs set? Go to Diagnostic Trouble Code (DTC) List - Vehicle Go to DTC P0121