FixVault

Home › Infiniti › 2019 › QX50 Essential, FWD › Repair and Diagnosis › Engine Performance › System › Engine Control System (DTC/Circuit Diagnosis) (10 Of 12) › DTC/Circuit Diagnosis › DTC P2252: O2 Sensor Bank 1 Sensor 1 › DTC Description › Possible Cause

Possible Cause

Harness or connectors (The A/F sensor 1 circuit is open or shorted.)
A/F sensor 1