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Home › Acura › 2021 › TLX Base › Repair and Diagnosis › Engine Performance › System › Engine Control System - DTC Diagnostics (5 Of 6) › Troubleshooting › DTC Troubleshooting: P16F4 (2.0L Engine) › Overview

DTC Troubleshooting: P16F4 (2.0L Engine): Overview

If the starter cut relay 2 return signal is LOW when the starter is OFF, the PCM determines an abnormality and stores the DTC.