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Home >> Hyundai >> 2016 >> Equus Ultimate >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (1 Of 3) >> DTC P0140: O2 Sensor Circuit No Activity Detected (Bank 1 / Sensor 2) >> DTC Information >> DTC Description
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DTC Description

If there is not any signal activity, ECM sets DTC P0140.

(This DTC might be caused by the malfunction of Heater circuit, so, check the heater circuit first.)