P1111 2016 Chevrolet Silverado Code - Intake Air Temperature Sensor Circuit Intermittent High Voltage
Quick Answer
The P1111 diagnostic trouble code (DTC) for a 2016 Chevrolet Silverado refers to the Intake Air Temperature Sensor Circuit Intermittent High Voltage. Common causes include Faulty intake air temperature sensor, Damaged wiring or connectors in the sensor circuit, Corrosion or contamination in the sensor connections. 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
- P1111 2016 Chevrolet Silverado indicates Intake Air Temperature Sensor Circuit Intermittent High Voltage.
- Common causes
- Common causes include Faulty intake air temperature sensor, Damaged wiring or connectors in the sensor circuit, Corrosion or contamination in the sensor connections.
- 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 P1111 2016 Chevrolet Silverado Description
The P1111 diagnostic trouble code (DTC) for a 2016 Chevrolet Silverado refers to the Intake Air Temperature Sensor Circuit Intermittent High Voltage. This code indicates that there is a problem with the intake air temperature sensor circuit, specifically that the voltage being detected is intermittently higher than normal. The intake air temperature sensor is a crucial component of the engine management system, as it measures the temperature of the air entering the engine. This information is used by the engine control module (ECM) to adjust the air-fuel mixture for optimal combustion.
Common Causes of P1111 2016 Chevrolet Silverado
- Faulty intake air temperature sensor
- Damaged wiring or connectors in the sensor circuit
- Corrosion or contamination in the sensor connections
- ECM malfunction
- Intake air leaks near the sensor
Symptoms of P1111 2016 Chevrolet Silverado
- Decreased fuel efficiency
- Rough idling
- Hesitation during acceleration
- Engine stalling
- Increased emissions
How to Fix P1111 2016 Chevrolet Silverado
- Begin by visually inspecting the intake air temperature sensor and its wiring for any visible damage or corrosion.
- Test the sensor using a multimeter to check for proper resistance values and voltage output.
- If the sensor is faulty, replace it with a new one following the manufacturer's guidelines.
- Check and repair any damaged wiring or connectors in the sensor circuit.
- Clear the DTC using a scan tool and test drive the vehicle to ensure the issue has been resolved.
Cost to Fix P1111 2016 Chevrolet Silverado
The typical repair costs for addressing the P1111 code on a 2016 Chevrolet Silverado can vary depending on the specific cause of the issue. In general, the cost of a new intake air temperature sensor ranges from $20 to $100, while the labor cost for diagnosis and replacement can range from $100 to $300. Overall, the total repair cost for this issue could be anywhere from $120 to $400. It's important to note that these are rough estimates, and actual costs may vary based on factors such as location, labor rates, and any additional repairs needed. It is recommended to consult with a qualified mechanic or auto repair shop for a more accurate cost estimate.
Tech Notes for P1111 2016 Chevrolet Silverado
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