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For 1990-2009 cars only
Makes 🢒 Buick 🢒 2008 🢒 Terraza Ext. 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Inspection/Maintenance (I/M) System DTC Table

System

DTCs Required to Set System Status to YES

If an I/M System Status indicator did NOT update to YES during the Inspection/Maintenance (I/M) Complete System Set Procedure, review each indicator and reference this table to determine each DTC associated with the I/M System Status Indicator. Each DTC listed below has specific conditions that must be met for the diagnostic to run. Included within the conditions are additional DTCs which, if set, may inhibit the DTCs listed below from running. Reviewing and operating the vehicle within the Conditions for Running for each DTC listed below will allow the I/M System Status Indicators to transition to YES.

Catalyst Monitor

DTC P0420--Refer to DTC P0420 .

Evaporative Emission (EVAP)
    • DTC P0442--Refer to DTC P0442 .
    • DTC P0446--Refer to DTC P0446 .
    • DTC P0455--Refer to DTC P0455 .
    • DTC P0496--Refer to DTC P0496 .

Oxygen Sensor
    • DTC P0131--Refer to DTC P0131, P0132, P0137, or P0138 .
    • DTC P0132--Refer to DTC P0131, P0132, P0137, or P0138 .
    • DTC P0133--Refer to DTC P0133, P0134, P0140, P1133, P2A00, or P2A01 .
    • DTC P0134--Refer to DTC P0133, P0134, P0140, P1133, P2A00, or P2A01 .
    • DTC P0137--Refer to DTC P0131, P0132, P0137, or P0138 .
    • DTC P0138--Refer to DTC P0131, P0132, P0137, or P0138 .
    • DTC P0140--Refer to DTC P0133, P0134, P0140, P1133, P2A00, or P2A01 .
    • DTC P1133--Refer to DTC P0133, P0134, P0140, P1133, P2A00, or P2A01 .
    • DTC P2A00--Refer to DTC P0133, P0134, P0140, P1133, P2A00, or P2A01 .
    • DTC P2A01--Refer to DTC P0133, P0134, P0140, P1133, P2A00, or P2A01 .

Oxygen Sensor Heater
    • DTC P0030--Refer to DTC P0030, P0036, P0053, P0054, P0135, or P0141.
    • DTC P0036--Refer to DTC P0030, P0036, P0053, P0054, P0135, or P0141.
    • DTC P0053--Refer to DTC P0030, P0036, P0053, P0054, P0135, or P0141.
    • DTC P0054--Refer to DTC P0030, P0036, P0053, P0054, P0135, or P0141.
    • DTC P0135--Refer to DTC P0030, P0036, P0053, P0054, P0135, or P0141.
    • DTC P0141--Refer to DTC P0030, P0036, P0053, P0054, P0135, or P0141.