Engine-Codes - GMC - P11C2 GMC

P11C2 GMC Code - Intake Air Humidity Sensor Circuit Low Voltage

- Code Popularity: 5,735 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents
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What are the Possible Causes of the DTC P11C2 GMC?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty Intake Air Humidity Sensor
  • Intake Air Humidity Sensor harness is open or shorted
  • Intake Air Humidity Sensor circuit poor electrical connection

Code Tech Notes

The Intake Air Humidity Sensor is part of the 8-Pin Mass Air Flow, Humidity, BARO and Intake Air Temperature 1 and 2 Sensor.

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How to Fix the DTC P11C2 GMC?

Check 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 pins.

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What is the Cost to Diagnose the Code?

Labor: 1.0

The cost to diagnose the P11C2 GMC code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.

What are Code Possible Symptoms?

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

What Does the P11C2 GMC Code Mean?

The Powertrain Control Module (PCM) monitors the Intake Air Humidity Sensor signal. The PCM sets the OBDII code when the Intake Air Humidity Sensor is not to factory specifications.

P11C2 GMC Code - Intake Air Humidity Sensor Circuit Low Voltage

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