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Home › Infiniti › 2021 › Q50 Pure, AWD › Repair and Diagnosis › Engine Performance › System › Engine Control System (DTCS) (5 Of 6) › Engine (ECM) › P2253 A/F Sensor › DTC Description › VR30DDTT engine › Possible Cause

Possible Cause

A

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

B

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