P242C 2017 Chevrolet Silverado Code - Exhaust Gas Temperature Sensor 3 Circuit Low Voltage
Quick Answer
The Exhaust Gas Temperature sensors (EGTS) are variable resistors that measure the temperature of the exhaust gas. Common causes include Faulty Exhaust Gas Temperature Sensor (EGTS) 3, Exhaust Gas Temperature Sensor 3 harness is open or shorted, Exhaust Gas Temperature Sensor 3 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
- P242C 2017 Chevrolet Silverado indicates Exhaust Gas Temperature Sensor 3 Circuit Low Voltage.
- Common causes
- Common causes include Faulty Exhaust Gas Temperature Sensor (EGTS) 3, Exhaust Gas Temperature Sensor 3 harness is open or shorted, Exhaust Gas Temperature Sensor 3 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 P242C 2017 Chevrolet Silverado Description
What are the Possible Causes of the DTC P242C 2017 Chevrolet Silverado?
- Faulty Exhaust Gas Temperature Sensor (EGTS) 3
- Exhaust Gas Temperature Sensor 3 harness is open or shorted
- Exhaust Gas Temperature Sensor 3 circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P242C 2017 Chevrolet Silverado?
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.
Code Tech Notes
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P242C 2017 Chevrolet Silverado 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 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
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