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Home >> Acura >> 2019 >> RDX Technology, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTC Diagnostics (P0010 - P0299) >> DTC Troubleshooting >> DTC P0138 (2019) >> Notes
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DTC P0138 (2019): Notes

DTC P0138  : Secondary Heated Oxygen Sensor (Secondary HO2S (Sensor 2)) Circuit High Voltage

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NOTE: Before you troubleshoot, review the How to Troubleshoot .
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