P0111 2018 Chevrolet Silverado Code - Intake Air Temperature Circuit Range/Performance Problem
Quick Answer
The Intake Air Temperature (IAT) sensor 1 is a variable resistor that changes the voltage on the Engine Control Module (ECM) supplied 5 V signal circuit. Common causes include Faulty Intake Air Temperature (IAT) sensor, Intake Air Temperature sensor harness is open or shorted, Intake Air Temperature 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
- P0111 2018 Chevrolet Silverado indicates Intake Air Temperature Circuit Range/Performance Problem.
- Common causes
- Common causes include Faulty Intake Air Temperature (IAT) sensor, Intake Air Temperature sensor harness is open or shorted, Intake Air Temperature 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 P0111 2018 Chevrolet Silverado Description
What are the Possible Causes of the DTC P0111 2018 Chevrolet Silverado?
- Faulty Intake Air Temperature (IAT) sensor
- Intake Air Temperature sensor harness is open or shorted
- Intake Air Temperature sensor circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P0111 2018 Chevrolet Silverado?
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
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What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0111 2018 Chevrolet Silverado 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.
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Frequently Asked Questions about P0111 2018 Chevrolet Silverado Code
1. What are the common symptoms of OBDII code P0111 in a 2018 Chevrolet Silverado?
- Common symptoms include poor engine performance, decreased fuel efficiency, rough idling, and potential stalling.
2. What causes the Intake Air Temperature Circuit Range/Performance Problem in a 2018 Chevrolet Silverado?
- The code P0111 is often triggered by a faulty intake air temperature (IAT) sensor, a damaged wiring harness, or a poor electrical connection.
3. How can I diagnose the P0111 code in my 2018 Chevrolet Silverado?
- You can diagnose the issue by using an OBDII scanner to check for the specific trouble code, testing the IAT sensor, inspecting the wiring for any damage, and verifying proper electrical connections.
4. Can a dirty air filter trigger the P0111 code in a 2018 Chevrolet Silverado?
- Yes, a dirty or clogged air filter can disrupt the intake air temperature readings and potentially lead to the triggering of the P0111 trouble code.
5. Is it safe to continue driving my 2018 Chevrolet Silverado with the P0111 code present?
- It is not recommended to drive the vehicle with the P0111 code active, as it can affect the engine's performance and fuel efficiency, leading to potential damage if left unaddressed.
6. How do I repair the Intake Air Temperature Circuit Range/Performance Problem in my 2018 Chevrolet Silverado?
- Repair options include replacing the faulty IAT sensor, repairing or replacing damaged wiring, ensuring proper electrical connections, and resetting the trouble code with an OBDII scanner.
7. Can resetting the trouble code make the P0111 issue in my 2018 Chevrolet Silverado go away permanently?
- Resetting the trouble code may temporarily clear the warning, but if the underlying issue causing the P0111 code is not addressed, it is likely to reappear.
8. Will a P0111 code affect my 2018 Chevrolet Silverado's emissions?
- Yes, the P0111 code can impact the vehicle's emissions by causing improper fuel mixture, potentially leading to increased emissions and failing emissions tests.
9. How much does it typically cost to repair the P0111 code in a 2018 Chevrolet Silverado?
- The cost of repairing the P0111 code can vary depending on the specific issue, but it may range from $100 to $300 for parts and labor.
10. Can a DIY enthusiast fix the P0111 code in a 2018 Chevrolet Silverado?
- Depending on the DIY skills and tools available, some enthusiasts may be able to address the P0111 code by replacing the IAT sensor or repairing wiring, but professional help is often recommended for accurate diagnosis and repair.
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