P242C 2017 Chevrolet Silverado Code - Exhaust Gas Temperature Sensor 3 Circuit Low Voltage
Quick Answer
The P242C diagnostic trouble code (DTC) for a 2017 Chevrolet Silverado refers to the Exhaust Gas Temperature Sensor 3 Circuit Low Voltage. Common causes include Faulty Sensor: The most common cause of the P242C code is a faulty exhaust gas temperature sensor 3, Wiring Issues: Damaged or corroded wiring in the sensor circuit can lead to low voltage readings, Connector Problems: Loose or damaged connectors in the sensor circuit can also trigger this code. 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
- P242C 2017 Chevrolet Silverado indicates Exhaust Gas Temperature Sensor 3 Circuit Low Voltage.
- Common causes
- Common causes include Faulty Sensor: The most common cause of the P242C code is a faulty exhaust gas temperature sensor 3, Wiring Issues: Damaged or corroded wiring in the sensor circuit can lead to low voltage readings, Connector Problems: Loose or damaged connectors in the sensor circuit can also trigger this code.
- 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.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code P242C 2017 Chevrolet Silverado Description
The P242C diagnostic trouble code (DTC) for a 2017 Chevrolet Silverado refers to the Exhaust Gas Temperature Sensor 3 Circuit Low Voltage. This code indicates that the exhaust gas temperature sensor 3 is detecting a voltage that is lower than the expected range. The exhaust gas temperature sensor is a crucial component in monitoring the temperature of the exhaust gases leaving the engine. This information is essential for the engine control module (ECM) to adjust fuel delivery and timing to optimize performance and emissions.
Common Causes of P242C 2017 Chevrolet Silverado
- Faulty Sensor: The most common cause of the P242C code is a faulty exhaust gas temperature sensor 3.
- Wiring Issues: Damaged or corroded wiring in the sensor circuit can lead to low voltage readings.
- Connector Problems: Loose or damaged connectors in the sensor circuit can also trigger this code.
- ECM Malfunction: In rare cases, a malfunctioning ECM can cause incorrect voltage readings from the sensor.
Symptoms of P242C 2017 Chevrolet Silverado
- Check Engine Light: The most common symptom associated with the P242C code is the illumination of the check engine light on the vehicle's dashboard.
- Decreased Fuel Efficiency: A faulty exhaust gas temperature sensor can lead to incorrect fuel delivery, resulting in decreased fuel efficiency.
- Rough Idle: The engine may experience rough idling or hesitation when the sensor is not providing accurate temperature readings.
- Loss of Power: The vehicle may exhibit a loss of power or sluggish acceleration due to improper fuel adjustments.
- Increased Emissions: A malfunctioning exhaust gas temperature sensor can lead to increased emissions from the vehicle.
How to Fix P242C 2017 Chevrolet Silverado
- Diagnose the Issue: Use a diagnostic scanner to retrieve the specific DTC and pinpoint the cause of the low voltage reading.
- Inspect Wiring and Connectors: Check the wiring and connectors in the exhaust gas temperature sensor circuit for any damage or corrosion.
- Test the Sensor: Test the exhaust gas temperature sensor 3 to determine if it is functioning correctly or needs to be replaced.
- Replace Sensor: If the sensor is faulty, replace it with a new, OEM-quality sensor to ensure accurate temperature readings.
- Clear Codes: After making the necessary repairs, clear the DTC and test drive the vehicle to ensure the issue has been resolved.
Cost to Fix P242C 2017 Chevrolet Silverado
The typical repair costs for addressing the P242C code on a 2017 Chevrolet Silverado can vary depending on the specific cause of the issue. In general, the cost of a new exhaust gas temperature sensor can range from $50 to $150, depending on the brand and quality of the sensor. Labor costs for this repair can range from $100 to $200, depending on the shop's hourly rates and the complexity of the repair. Overall, the total cost for addressing the P242C code could range from $150 to $350, including parts and labor. It's important to note that these are rough estimates, and actual costs may vary based on factors such as location, vehicle make and model, and the extent of the repairs needed. It's recommended to consult with a qualified mechanic or auto repair shop for a more accurate cost estimate.
Tech Notes for P242C 2017 Chevrolet Silverado
Need more information about the P242C 2017 Chevrolet Silverado code?
Need more information on how to fix the P242C 2017 Chevrolet Silverado code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P242C 2017 Chevrolet Silverado code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P242C 2017 Chevrolet Silverado Code
What does the OBDII code P242C mean for a 2017 Chevrolet Silverado?
P242C indicates that the exhaust gas temperature sensor circuit 3 is experiencing low voltage, which can affect the engine's performance and emissions control.
What are the common symptoms of the P242C code?
Common symptoms include a check engine light, reduced engine performance, increased emissions, and potential overheating of the exhaust system.
What could cause the P242C code to trigger?
Causes may include a faulty exhaust gas temperature sensor, damaged wiring or connectors in the circuit, short circuits, or issues with the engine control module (ECM).
How can I diagnose the P242C code?
To diagnose the code, use an OBDII scanner to confirm the code, inspect the exhaust gas temperature sensor and its wiring, and check for any related codes that might provide additional context.
What are some repair tips for fixing the P242C code?
Repair tips include replacing the faulty exhaust gas temperature sensor, repairing or replacing damaged wiring or connectors, and ensuring that all electrical connections are secure.
Is it safe to drive with the P242C code?
While it may be safe to drive for a short time, it's recommended to address the issue promptly to avoid potential engine damage and increased emissions.
Can I clear the P242C code after making repairs?
Yes, after making the necessary repairs, you can clear the code using an OBDII scanner. If the repair is successful, the code should not return.
What should I check if the P242C code keeps coming back?
If the code reappears, check for intermittent wiring issues, ensure that the replacement sensor is functioning correctly, and verify that the ECM is operating properly.
Will the P242C code affect my vehicle's fuel economy?
Yes, if left unresolved, the P242C code can negatively impact fuel economy due to improper engine management and increased emissions.
Discuss the causes and fixes for P242C 2017 Chevrolet Silverado OBDII Code
Code P242C 2017 Chevrolet Silverado comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.