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Home › Buick › 2007 › Allure CXS › Repair and Diagnosis › Engine Performance › System › Engine Control System & Fuel System - 3.6L - DTC P0008 To P0133 › DTC P0031 or P0037 › DTC Descriptors

DTC Descriptors

This diagnostic procedure supports the following DTCs:

DTC P0031 HO2S Heater Control Circuit Low Voltage Sensor 1
DTC P0037 HO2S Heater Control Circuit Low Voltage Sensor 2