P11CC – Nox Sensor 1 Performance Signal Low

P11CC Possible Symptoms

Engine Light ON (or Service Engine Soon Warning Light)

P11CC Possible Causes

Faulty Nox Sensor 1,Nox Sensor 1 harness is open or shorted,Nox Sensor 1 circuit poor electrical connection,Intake System Leaks,Exhaust System Leaks

P11CC Description

The Powertrain Control Module (PCM) monitors the Nox Sensor 1. The PCM sets the OBDII code when the Nox Sensor 1 is not to factory specifications.