P113D 2015 GMC Sierra Code - Exhaust Gas Temperature Sensor 3 Not Plausible
Quick Answer
The exhaust gas temperature sensors are variable resistors that measure the temperature of the exhaust gas at the inlet and outlet of the diesel oxidation catalyst as well as the inlet and outlet of the Diesel Particulate Filter (DPF). Common causes include Faulty Exhaust Gas Temperature Sensor, Exhaust Gas Temperature Sensor harness is open or shorted, Exhaust Gas Temperature Sensor 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
- P113D 2015 GMC Sierra indicates Exhaust Gas Temperature Sensor 3 Not Plausible.
- Common causes
- Common causes include Faulty Exhaust Gas Temperature Sensor, Exhaust Gas Temperature Sensor harness is open or shorted, Exhaust Gas Temperature Sensor 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 P113D 2015 GMC Sierra Description
What are the Possible Causes of the DTC P113D 2015 GMC Sierra?
- Faulty Exhaust Gas Temperature Sensor
- Exhaust Gas Temperature Sensor harness is open or shorted
- Exhaust Gas Temperature Sensor circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P113D 2015 GMC Sierra?
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.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P113D 2015 GMC Sierra 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 P113D 2015 GMC Sierra Code
1. What does the OBDII code P113D mean on a 2015 GMC Sierra?
The code P113D indicates that the Exhaust Gas Temperature (EGT) Sensor 3 is reporting a value that is not plausible based on the engine's operating conditions.
2. What are the common symptoms of the P113D code?
Symptoms can include a check engine light, poor fuel efficiency, reduced engine performance, or issues with the diesel particulate filter (DPF) regeneration process.
3. What causes the P113D code to appear?
Common causes include a faulty EGT sensor, damaged wiring or connectors, soot buildup on the sensor, or issues with the engine control module (ECM) software.
4. Can I drive with the P113D code on my 2015 GMC Sierra?
Driving with this code is not recommended as it can affect engine performance and may prevent the DPF from regenerating, potentially leading to further damage.
5. How do I fix the P113D code?
Repairs may involve cleaning or replacing the EGT sensor, repairing damaged wiring, or updating the ECM software if necessary.
6. Where is Exhaust Gas Temperature Sensor 3 located on a 2015 GMC Sierra?
EGT Sensor 3 is typically located in the exhaust system downstream of the turbocharger, often near the diesel particulate filter.
7. How can I test the EGT Sensor 3 to confirm it’s faulty?
Use a multimeter to check the sensor’s resistance and compare it to the manufacturer’s specifications. Additionally, inspect the sensor for physical damage or soot buildup.
8. Can a bad EGT sensor cause damage to my engine?
Yes, a malfunctioning EGT sensor can lead to incorrect exhaust temperature readings, which may prevent proper DPF regeneration and cause engine or exhaust system damage over time.
9. Does the P113D code always mean the EGT sensor is bad?
No, the issue could also be caused by wiring problems, connector issues, or ECM software errors, so a thorough diagnosis is necessary.
10. How much does it cost to fix the P113D code on a 2015 GMC Sierra?
Repair costs can vary but typically range from $100 to $300 for sensor replacement, depending on labor rates and parts pricing. Wiring repairs or ECM updates may add to the cost.
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