P113C 2018 GMC Sierra Code - Exhaust Gas Temperature Sensor 2 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
- P113C 2018 GMC Sierra indicates Exhaust Gas Temperature Sensor 2 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 P113C 2018 GMC Sierra Description
What are the Possible Causes of the DTC P113C 2018 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 P113C 2018 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 P113C 2018 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.
Need more information about the P113C 2018 GMC Sierra code?
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Frequently Asked Questions about P113C 2018 GMC Sierra Code
1. What does the OBDII code P113C mean on a 2018 GMC Sierra?
P113C indicates that the vehicle's ECM has detected an issue with the Exhaust Gas Temperature (EGT) Sensor 2, where its readings are not plausible or consistent with expected values.
2. What are the symptoms of P113C on a 2018 GMC Sierra?
Common symptoms include a Check Engine Light, reduced engine performance, poor fuel efficiency, and, in some cases, the vehicle entering limp mode.
3. What causes the P113C code to appear?
The most common causes are a faulty EGT sensor, damaged wiring or connectors, excessive soot buildup around the sensor, or issues with the ECM misinterpreting sensor data.
4. Can driving with the P113C code cause further damage?
Yes, driving with this code can lead to increased emissions, potential damage to the exhaust system, and reduced performance if left unresolved.
5. How do I fix the P113C code on my GMC Sierra?
Repairs may include inspecting and replacing the EGT sensor, repairing any damaged wiring or connectors, cleaning soot buildup, or updating the ECM software if necessary.
6. Where is Exhaust Gas Temperature Sensor 2 located on a 2018 GMC Sierra?
This sensor is typically located downstream in the exhaust system, often near the diesel particulate filter (DPF) or catalytic converter.
7. How can I test the EGT sensor for P113C?
You can test the sensor with a multimeter to check for proper resistance or use a scan tool to monitor real-time temperature readings for inconsistencies.
8. Is the P113C code specific to diesel engines on the 2018 GMC Sierra?
Yes, this code is more commonly associated with diesel engines due to their use of multiple EGT sensors for emissions control.
9. Can a clogged DPF cause the P113C code?
Yes, a clogged DPF can cause abnormal exhaust temperatures, leading to implausible readings from the EGT sensor and triggering this code.
10. How much does it cost to repair the P113C code on a GMC Sierra?
Repair costs can vary but typically range from $100 to $400, depending on whether the sensor needs replacement or if wiring repairs are required.
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