P242D 2018 Chevrolet Silverado Code - Exhaust Gas Temperature Sensor 3 Circuit High 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
- P242D 2018 Chevrolet Silverado indicates Exhaust Gas Temperature Sensor 3 Circuit High 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 P242D 2018 Chevrolet Silverado Description
What are the Possible Causes of the DTC P242D 2018 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 P242D 2018 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 P242D 2018 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.
Need more information about the P242D 2018 Chevrolet Silverado code?
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Frequently Asked Questions about P242D 2018 Chevrolet Silverado Code
1. What are the common symptoms of OBDII code P242D on a 2018 Chevrolet Silverado?
The common symptoms of code P242D include the Check Engine Light (CEL) illuminating on the dashboard, reduced engine performance, and potential increased fuel consumption.
2. What does the OBDII code P242D indicate on a 2018 Chevrolet Silverado?
Code P242D indicates a high voltage condition in the Exhaust Gas Temperature Sensor 3 circuit of a 2018 Chevrolet Silverado.
3. What are the possible causes of OBDII code P242D on a 2018 Chevrolet Silverado?
Possible causes of code P242D include a faulty Exhaust Gas Temperature Sensor 3, damaged wiring or connectors in the sensor circuit, or a problem with the engine control module.
4. How can I diagnose OBDII code P242D on my 2018 Chevrolet Silverado?
Diagnosing code P242D involves using an OBDII scanner to retrieve the code, inspecting the Exhaust Gas Temperature Sensor 3 and its wiring for damage, and testing the sensor's voltage output.
5. Can I continue driving my 2018 Chevrolet Silverado with OBDII code P242D?
It is not recommended to drive your vehicle with code P242D present, as it can lead to further engine damage or performance issues. It is advised to address the issue promptly.
6. How can I repair OBDII code P242D on my 2018 Chevrolet Silverado?
To repair code P242D, you may need to replace the Exhaust Gas Temperature Sensor 3, repair any damaged wiring or connectors, and clear the code using an OBDII scanner.
7. Are there any DIY tips for fixing OBDII code P242D on a 2018 Chevrolet Silverado?
While some basic troubleshooting like checking for loose connections can be done DIY, it is recommended to consult a professional mechanic for a proper diagnosis and repair of code P242D.
8. How much does it typically cost to fix OBDII code P242D on a 2018 Chevrolet Silverado?
The cost of fixing code P242D can vary depending on the exact cause of the issue, but it may involve parts and labor expenses ranging from $100 to $300 or more.
9. Will resetting the Check Engine Light resolve OBDII code P242D on a 2018 Chevrolet Silverado?
Simply resetting the Check Engine Light may temporarily clear the code, but it will not fix the underlying issue causing code P242D. It's crucial to diagnose and address the root cause.
10. Can extreme weather conditions affect the triggering of OBDII code P242D on a 2018 Chevrolet Silverado?
Extreme weather conditions, especially excessive heat or cold, can potentially impact the performance of sensors like the Exhaust Gas Temperature Sensor 3 and contribute to triggering code P242D.
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