Engine-Codes - Gmc - P11CC GMC

P11CC GMC - Nox Sensor 1 Performance Signal Low

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What is this?
Table of contents

P11CC GMC 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

How is the P11CC GMC code repair?

Start by checking the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.

What is the cost to diagnose the P11CC GMC code

Labor: 1.0

The cost to diagnose the P11CC GMC code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.

Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

P11CC GMC Meaning

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.

More Information

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