P11C2 GMC Code - Intake Air Humidity Sensor Circuit Low Voltage
Quick Answer
The Powertrain Control Module (PCM) monitors the Intake Air Humidity Sensor signal. Common causes include Faulty Intake Air Humidity Sensor, Intake Air Humidity Sensor harness is open or shorted, Intake Air Humidity Sensor circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P11C2 GMC indicates Intake Air Humidity Sensor Circuit Low Voltage.
- Common causes
- Common causes include Faulty Intake Air Humidity Sensor, Intake Air Humidity Sensor harness is open or shorted, Intake Air Humidity Sensor circuit poor electrical connection.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code P11C2 GMC Description
What are the Possible Causes of the DTC P11C2 GMC?
- Faulty Intake Air Humidity Sensor
- Intake Air Humidity Sensor harness is open or shorted
- Intake Air Humidity Sensor circuit poor electrical connection
How to Fix the DTC P11C2 GMC?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
Code Tech Notes
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P11C2 GMC code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
Need more information about the P11C2 GMC code?
Need more information on how to fix the P11C2 GMC code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P11C2 GMC code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P11C2 GMC Code
1. What are the common symptoms of OBDII code P11C2 GMC (Intake Air Humidity Sensor Circuit Low Voltage)?
- Common symptoms include poor engine performance, rough idling, decreased fuel efficiency, and potential stalling.
2. What causes the OBDII code P11C2 GMC to trigger for the Intake Air Humidity Sensor Circuit Low Voltage?
- The code is typically triggered by a faulty intake air humidity sensor, damaged wiring or connectors, or a problem with the sensor circuit.
3. How can I diagnose the OBDII code P11C2 GMC related to the Intake Air Humidity Sensor Circuit Low Voltage?
- Diagnose the code by checking the sensor's wiring and connectors for damage, testing the sensor itself for proper functionality, and verifying the circuit's voltage levels.
4. Can a dirty air filter cause the OBDII code P11C2 GMC to appear?
- While a dirty air filter can impact engine performance, it is unlikely to directly trigger the Intake Air Humidity Sensor Circuit Low Voltage code.
5. What are some repair tips for resolving the OBDII code P11C2 GMC?
- Repair tips include replacing the intake air humidity sensor if faulty, repairing any damaged wiring or connectors, and clearing the code with a diagnostic tool.
6. Is it safe to continue driving with the OBDII code P11C2 GMC active?
- It is generally not recommended to continue driving with this code active, as it can lead to further engine issues and potential breakdowns.
7. Can extreme weather conditions affect the intake air humidity sensor and trigger the OBDII code P11C2 GMC?
- Yes, extreme weather conditions such as high humidity levels or water exposure can impact the sensor's performance and trigger the code.
8. How much does it typically cost to repair the OBDII code P11C2 GMC related to the Intake Air Humidity Sensor Circuit Low Voltage?
- The cost of repair can vary depending on the cause of the issue, but it may range from $100 to $300 for parts and labor.
9. Will disconnecting the battery reset the OBDII code P11C2 GMC?
- Disconnecting the battery may temporarily clear the code, but it is recommended to diagnose and repair the underlying issue to prevent the code from reappearing.
10. Can a mechanic easily fix the OBDII code P11C2 GMC, or is it a complex repair?
- A qualified mechanic should be able to diagnose and repair the Intake Air Humidity Sensor Circuit Low Voltage issue efficiently, as it is a common and manageable repair in most cases.
Discuss the causes and fixes for P11C2 GMC OBDII Code
Code P11C2 GMC comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
