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Home >> Buick >> 2007 >> Allure CX >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 8 (Engine Control System & Fuel System - 3.6L - DTC P2231 To P2626) >> DTC P2231 >> DTC Descriptor

DTC Descriptor

WARNING: This page is about a different variant/trim than selected.

This diagnostic procedure supports the following DTC:

DTC P2231 HO2S Signal Circuit Shorted to Heater Circuit Sensor 1

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