P112D Chevrolet Code - Intake Air Temperature Sensor 3 Circuit High Voltage
Quick Answer
The Intake Air Temperature (IAT) sensor contains a semiconductor device which changes the resistance based on the temperature (a thermistor). Common causes include Faulty Intake Air Temperature 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
- P112D Chevrolet indicates Intake Air Temperature Sensor 3 Circuit High Voltage.
- Common causes
- Common causes include Faulty Intake Air Temperature 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 P112D Chevrolet Description
What are the Possible Causes of the DTC P112D Chevrolet?
- Faulty Intake Air Temperature sensor
- Intake Air Temperature sensor harness is open or shorted
- Intake Air Temperature sensor circuit poor electrical connection
How to Fix the DTC P112D Chevrolet?
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.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P112D Chevrolet 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 P112D Chevrolet Code
1. What are the common symptoms of OBDII code P112D in a Chevrolet related to the Intake Air Temperature Sensor 3 Circuit High Voltage?
The common symptoms include poor engine performance, rough idling, stalling, decreased fuel efficiency, and the illumination of the Check Engine Light.
2. What are the possible causes of OBDII code P112D in a Chevrolet indicating an issue with the Intake Air Temperature Sensor 3 Circuit High Voltage?
Possible causes include a faulty Intake Air Temperature Sensor, damaged wiring or connectors in the sensor circuit, or issues with the engine control module (ECM).
3. How can I diagnose the OBDII code P112D on my Chevrolet related to the Intake Air Temperature Sensor 3 Circuit High Voltage?
Diagnosis involves using an OBDII scanner to retrieve the code, checking the sensor wiring and connections for damage, and testing the sensor itself for proper functioning.
4. Can I drive my Chevrolet with OBDII code P112D indicating a problem with the Intake Air Temperature Sensor 3 Circuit High Voltage?
It is not recommended to drive your Chevrolet with this code present, as it can lead to further engine damage and poor performance. It is best to address the issue promptly.
5. How can I repair OBDII code P112D on my Chevrolet associated with the Intake Air Temperature Sensor 3 Circuit High Voltage?
Repair options include replacing the faulty Intake Air Temperature Sensor, repairing damaged wiring or connectors, and resetting the ECM to clear the code.
6. Are there any DIY tips for fixing OBDII code P112D related to the Intake Air Temperature Sensor 3 Circuit High Voltage in my Chevrolet?
While some basic troubleshooting like checking connections and wiring can be done by DIY enthusiasts, it is recommended to consult a professional mechanic for accurate diagnosis and repair.
7. Will OBDII code P112D in a Chevrolet reset itself after the issue with the Intake Air Temperature Sensor 3 Circuit High Voltage is fixed?
After the issue is fixed, you may need to clear the code using an OBDII scanner or drive cycles to allow the ECM to reset and clear the code on its own.
8. Can a bad Intake Air Temperature Sensor cause other OBDII codes to appear in a Chevrolet?
Yes, a faulty Intake Air Temperature Sensor can cause other related codes to appear, affecting the engine's performance and emissions control systems.
9. How important is the Intake Air Temperature Sensor in a Chevrolet, and what role does it play in the engine's operation?
The Intake Air Temperature Sensor is crucial for measuring the temperature of incoming air, helping the ECM adjust fuel delivery and ignition timing for optimal engine performance and efficiency.
10. Is it safe to continue driving my Chevrolet if the Check Engine Light is on due to OBDII code P112D related to the Intake Air Temperature Sensor 3 Circuit High Voltage?
It is not recommended to drive your Chevrolet with the Check Engine Light on, as it indicates a potential issue that needs to be addressed to prevent further damage and ensure the vehicle's optimal performance.
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