P0112 2017 GMC Sierra Code - Intake Air Temperature Sensor Circuit Low Voltage
Quick Answer
The P0112 diagnostic trouble code indicates that there is a low voltage condition in the intake air temperature sensor circuit of a 2017 GMC Sierra. Common causes include Faulty intake air temperature sensor, Damaged wiring or connectors in the sensor circuit, ECU malfunction. 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 2017 GMC Sierra indicates Intake Air Temperature Sensor Circuit Low Voltage.
- Common causes
- Common causes include Faulty intake air temperature sensor, Damaged wiring or connectors in the sensor circuit, ECU malfunction.
- 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 2017 GMC Sierra Description
The P0112 diagnostic trouble code indicates that there is a low voltage condition in the intake air temperature sensor circuit of a 2017 GMC Sierra. The intake air temperature sensor is a crucial component of the engine management system, as it measures the temperature of the incoming air to help the engine control unit (ECU) adjust the air-fuel mixture for optimal performance. When the sensor detects a low voltage signal, it means that the temperature reading is lower than expected, which can lead to various issues in the vehicle's operation.
Common Causes of P0112 2017 GMC Sierra
- Faulty intake air temperature sensor
- Damaged wiring or connectors in the sensor circuit
- ECU malfunction
- Air intake system issues
- Extreme temperature conditions affecting sensor readings
Symptoms of P0112 2017 GMC Sierra
- Decreased fuel efficiency
- Engine running rough or stalling
- Check engine light illuminated
- Poor acceleration
- Engine misfires
How to Fix P0112 2017 GMC Sierra
- Begin by conducting a visual inspection of the intake air temperature sensor, wiring, and connectors for any visible damage.
- Use a multimeter to test the sensor's resistance and voltage output to determine if it is functioning correctly.
- If the sensor is faulty, replace it with a new OEM or aftermarket sensor, following manufacturer's guidelines.
- Check and repair any damaged wiring or connectors in the sensor circuit to ensure proper electrical connections.
- Clear the diagnostic trouble codes using an OBD-II scanner and test drive the vehicle to verify the repair.
Cost to Fix P0112 2017 GMC Sierra
The cost of repairing a P0112 code on a 2017 GMC Sierra can vary depending on the specific cause of the issue. On average, the cost of replacing an intake air temperature sensor ranges from $50 to $150, with additional costs for labor if the sensor is challenging to access. If wiring repairs are necessary, additional costs may apply. Overall, the total repair cost can range from $100 to $300 or more, depending on the extent of the repairs needed. It is recommended to consult with a trusted mechanic or auto repair shop for a more accurate cost estimate based on your vehicle's specific needs and location. Labor rates at auto repair shops typically range from $80 to $150 per hour, so it is essential to factor in labor costs when budgeting for this repair.
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