P113B 2016 GMC Sierra Code - Exhaust Gas Temperature Sensor 1 Not Plausible
Quick Answer
The P113B diagnostic trouble code (DTC) for a 2016 GMC Sierra indicates that there is an issue with the Exhaust Gas Temperature (EGT) Sensor 1 not providing plausible data to the engine control module (ECM). Common causes include Faulty EGT Sensor: The EGT sensor itself may be defective and not providing accurate temperature readings to the ECM, Wiring or Connector Issues: Poor electrical connections or damaged wiring leading to the EGT sensor can disrupt the signal transmission, Exhaust System Leaks: Leaks in the exhaust system before the EGT sensor can affect the temperature readings. 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
- P113B 2016 GMC Sierra indicates Exhaust Gas Temperature Sensor 1 Not Plausible.
- Common causes
- Common causes include Faulty EGT Sensor: The EGT sensor itself may be defective and not providing accurate temperature readings to the ECM, Wiring or Connector Issues: Poor electrical connections or damaged wiring leading to the EGT sensor can disrupt the signal transmission, Exhaust System Leaks: Leaks in the exhaust system before the EGT sensor can affect the temperature readings.
- 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.
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Code P113B 2016 GMC Sierra Description
The P113B diagnostic trouble code (DTC) for a 2016 GMC Sierra indicates that there is an issue with the Exhaust Gas Temperature (EGT) Sensor 1 not providing plausible data to the engine control module (ECM). This sensor is responsible for measuring the temperature of the exhaust gas before it enters the particulate filter in the exhaust system. The ECM uses this data to adjust fuel injection timing and optimize engine performance. When the EGT Sensor 1 is not providing accurate readings, it can lead to incorrect fuel mixtures, reduced engine efficiency, and increased emissions.
Common Causes of P113B 2016 GMC Sierra
- Faulty EGT Sensor: The EGT sensor itself may be defective and not providing accurate temperature readings to the ECM.
- Wiring or Connector Issues: Poor electrical connections or damaged wiring leading to the EGT sensor can disrupt the signal transmission.
- Exhaust System Leaks: Leaks in the exhaust system before the EGT sensor can affect the temperature readings.
- ECM Software Problems: Software issues within the engine control module can cause communication errors with the EGT sensor.
Symptoms of P113B 2016 GMC Sierra
- Check Engine Light: The most common symptom associated with this code is the illumination of the check engine light on the vehicle's dashboard.
- Reduced Engine Performance: The engine may experience reduced power output, hesitation, or rough idling due to incorrect fuel mixtures.
- Poor Fuel Efficiency: A malfunctioning EGT sensor can lead to decreased fuel efficiency as the ECM struggles to optimize combustion.
- Increased Emissions: The vehicle may produce higher emissions than normal due to inaccurate temperature readings affecting fuel injection timing.
How to Fix P113B 2016 GMC Sierra
- Diagnostic Scan: Use a diagnostic scan tool to retrieve the specific error codes and pinpoint the issue with the EGT sensor.
- Inspect EGT Sensor: Check the EGT sensor for any visible damage, corrosion, or signs of malfunction. Replace if necessary.
- Check Wiring and Connectors: Inspect the wiring harness and connectors leading to the EGT sensor for any damage or loose connections. Repair or replace as needed.
- Clear Error Codes: After addressing the root cause, clear the error codes and reset the ECM to see if the issue has been resolved.
- Test Drive: Take the vehicle for a test drive to ensure that the EGT sensor is providing accurate readings and that the engine performance has returned to normal.
Cost to Fix P113B 2016 GMC Sierra
The typical repair costs for addressing the P113B code on a 2016 GMC Sierra can range from $150 to $500, depending on the extent of the issue, the cost of parts, and labor rates. This estimate includes the cost of a new EGT sensor, potential wiring repairs, and diagnostic labor. It is important to note that the specific diagnosis time and labor rates at auto repair shops can vary based on location, vehicle make and model, and engine type. It is advisable to consult with a professional mechanic for a more accurate estimate based on your specific circumstances.
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Frequently Asked Questions about P113B 2016 GMC Sierra Code
1. What does the OBDII code P113B mean on a 2016 GMC Sierra?
P113B indicates that the Exhaust Gas Temperature Sensor 1 is reporting values that are not plausible or outside the expected range.
2. What are the common symptoms of the P113B code in a 2016 GMC Sierra?
Symptoms may include a check engine light, reduced fuel efficiency, decreased engine performance, or the engine entering limp mode.
3. What causes the P113B code in a 2016 GMC Sierra?
Common causes include a faulty exhaust gas temperature sensor, damaged wiring or connectors, a software issue, or exhaust system blockages.
4. Can I drive my 2016 GMC Sierra with the P113B code?
While it might be possible to drive the vehicle, it is not recommended as it can lead to further engine or exhaust system damage and poor performance.
5. How do I diagnose the P113B code on a 2016 GMC Sierra?
Diagnosis typically involves using an OBDII scanner to confirm the code, inspecting the sensor and its wiring, and testing the sensor's resistance and output.
6. How do I fix the P113B code on a 2016 GMC Sierra?
Repairs may include replacing the faulty exhaust gas temperature sensor, repairing damaged wiring or connectors, or updating the vehicle's software.
7. How much does it cost to fix the P113B code on a 2016 GMC Sierra?
The cost can range from $150 to $350, depending on whether the sensor needs replacement or additional repairs are required.
8. Where is Exhaust Gas Temperature Sensor 1 located on a 2016 GMC Sierra?
This sensor is typically located in the exhaust system, upstream of the diesel particulate filter (DPF) or catalytic converter.
9. Can a clogged DPF cause the P113B code on a 2016 GMC Sierra?
Yes, a clogged DPF can cause abnormal exhaust gas temperatures, leading to readings that trigger the P113B code.
10. Will clearing the P113B code fix the issue permanently?
Clearing the code will reset the check engine light, but the underlying issue must be addressed to prevent the code from returning.
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