Inspection/Maintenance (I/M) System DTC Table. Buick Terraza Ext. 2006

For 1990-2009 cars only

Makes 🢒 Buick 🢒 2006 🢒 Terraza Ext. 🢒 Engine 🢒 Engine Controls - 3.5L 🢒 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 P0140--Refer to DTC P0140.

•	DTC P1133--Refer to DTC P1133.

•	DTC P2A01--Refer to DTC P2A01.

Oxygen Sensor Heater

•	DTC P0135--Refer to DTC P0135.

•	DTC P0141--Refer to DTC P0141.

EGR

•	DTC P0401--Refer to DTC P0401.

•	DTC P0403--Refer to DTC P0403.

•	DTC P0404--Refer to DTC P0404.

•	DTC P0405--Refer to DTC P0405.

•	DTC P0406--Refer to DTC P0406.

•	DTC P1404--Refer to DTC P1404.