P0112 2015 Chevrolet Silverado Code - Intake Air Temperature Sensor Circuit Low Voltage
Quick Answer
The P0112 diagnostic trouble code (DTC) for a 2015 Chevrolet Silverado indicates a problem with the Intake Air Temperature (IAT) Sensor Circuit, specifically reporting low voltage. Common causes include Faulty Intake Air Temperature (IAT) sensor, Damaged wiring or connectors in the IAT sensor circuit, Corrosion or poor connections in the sensor circuit. 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
- P0112 2015 Chevrolet Silverado indicates Intake Air Temperature Sensor Circuit Low Voltage.
- Common causes
- Common causes include Faulty Intake Air Temperature (IAT) sensor, Damaged wiring or connectors in the IAT sensor circuit, Corrosion or poor connections in the sensor circuit.
- 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.
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Code P0112 2015 Chevrolet Silverado Description
The P0112 diagnostic trouble code (DTC) for a 2015 Chevrolet Silverado indicates a problem with the Intake Air Temperature (IAT) Sensor Circuit, specifically reporting low voltage. The IAT sensor plays a crucial role in monitoring the temperature of the air entering the engine. This information is essential for the engine control module (ECM) to adjust the air-fuel mixture and ignition timing for optimal performance and fuel efficiency.
Common Causes of P0112 2015 Chevrolet Silverado
- Faulty Intake Air Temperature (IAT) sensor
- Damaged wiring or connectors in the IAT sensor circuit
- Corrosion or poor connections in the sensor circuit
- ECM malfunction or software issues
- Air intake leaks or restrictions affecting sensor readings
Symptoms of P0112 2015 Chevrolet Silverado
- Decreased fuel efficiency
- Rough idling or stalling
- Engine hesitation or lack of power
- Check Engine Light illuminated
- Inaccurate temperature readings on the dashboard
How to Fix P0112 2015 Chevrolet Silverado
- Begin by locating the IAT sensor in the air intake system.
- Inspect the sensor, wiring, and connectors for any visible damage or corrosion. Replace any damaged components.
- Test the IAT sensor using a multimeter to check for proper resistance and voltage readings.
- Clear the DTC from the ECM memory using an OBD-II scanner and monitor the sensor's operation while driving to ensure the code does not return.
- If the issue persists, consider consulting a professional mechanic for further diagnosis and potential ECM reprogramming or replacement.
Cost to Fix P0112 2015 Chevrolet Silverado
The cost of repairing a P0112 code on a 2015 Chevrolet Silverado can vary depending on the specific cause of the issue. Typically, replacing a faulty IAT sensor can cost between $50 and $100, while addressing wiring or connector problems may require additional labor charges. Overall, the repair for this code could range from $100 to $300, including parts and labor. It is recommended to consult local auto repair shops for accurate estimates based on your vehicle's make and model. Labor rates can vary between $80 and $150 per hour, so keep this in mind when budgeting for repairs.
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Frequently Asked Questions about P0112 2015 Chevrolet Silverado Code
1. What does the OBDII code P0112 mean on a 2015 Chevrolet Silverado?
P0112 indicates that the Intake Air Temperature (IAT) sensor is reporting a low voltage signal to the engine control module (ECM), suggesting that the sensor is detecting an unusually low air temperature.
2. What are the symptoms of code P0112 in a 2015 Chevrolet Silverado?
Common symptoms include poor fuel efficiency, rough idling, reduced engine performance, difficulty starting the engine, and the check engine light being illuminated.
3. What causes the P0112 code on a 2015 Chevrolet Silverado?
Typical causes include a faulty IAT sensor, damaged or corroded wiring or connectors, a short circuit, or issues with the ECM.
4. Can I drive my 2015 Chevrolet Silverado with the P0112 code?
While the truck may still be drivable, ignoring this code can lead to poor performance and potential long-term engine damage, so it’s best to address the issue promptly.
5. How do I diagnose the P0112 code in a 2015 Chevrolet Silverado?
Start by inspecting the IAT sensor and its wiring for damage or corrosion. Use a multimeter to check for proper voltage and resistance, or use a scan tool to monitor live data from the sensor.
6. How do I fix the P0112 code on a 2015 Chevrolet Silverado?
Repairs may include replacing the IAT sensor, repairing damaged wiring or connectors, cleaning the sensor, or in rare cases, addressing ECM issues.
7. Where is the Intake Air Temperature sensor located on a 2015 Chevrolet Silverado?
The IAT sensor is typically located on or near the intake manifold or integrated into the mass airflow (MAF) sensor assembly.
8. How much does it cost to repair the P0112 code on a 2015 Chevrolet Silverado?
Repair costs vary, but replacing the IAT sensor can range from $50 to $200, including parts and labor. Wiring repairs may cost more depending on the extent of the damage.
9. Can a dirty air filter cause the P0112 code on a 2015 Chevrolet Silverado?
While uncommon, a severely dirty air filter can indirectly affect the IAT sensor by restricting airflow and causing inaccurate readings. It’s a good idea to inspect and replace the air filter if needed.
10. Will clearing the P0112 code fix the problem on my 2015 Chevrolet Silverado?
Clearing the code will turn off the check engine light temporarily, but it won’t fix the underlying issue. The code will likely return until the problem is properly addressed.
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