AutoCodes – Buick – P113C Buick

P113C Buick 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 Buick 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 418
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Mar 29, 2024
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Code P113C Buick Description

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). The Engine Control Module (ECM) supplies a bias 5-volt signal to the exhaust gas temperature sensor signal circuit and supplies a ground to the low reference circuit. The exhaust gas temperature information is used by the ECM during the particulate filter cleaning process. The following table illustrates the relationship between the temperature of the exhaust gas and the resistance and voltage of the exhaust gas temperature sensor. The Diagnostic Trouble Code (DTC) will be set if the ECM detects an exhaust gas temperature value that is not plausible when the ignition is switched on.
OBDII Code P113C Buick - Exhaust Gas Temperature Sensor 2 Not Plausible - AutoCodes.com
P113C Buick Code - Exhaust Gas Temperature Sensor 2 Not Plausible

What are the Possible Causes of the DTC P113C Buick?

  • 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 Buick?

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 Buick 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 Buick code?

Need more information on how to fix the P113C Buick code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P113C Buick code diagnosed by a professional: Find a repair shop in your area

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P113C Buick Code

1. What are the common symptoms of OBDII code P113C in a Buick related to the Exhaust Gas Temperature Sensor 2 Not Plausible?

- Common symptoms include decreased fuel efficiency, engine misfires, rough idling, and potentially a Check Engine light.

2. What are some possible causes of the P113C code in a Buick, indicating an issue with Exhaust Gas Temperature Sensor 2?

- Causes can include a faulty exhaust gas temperature sensor, wiring issues, a damaged sensor harness, or issues with the sensor's connection.

3. How critical is it to address the P113C code related to Exhaust Gas Temperature Sensor 2 in a Buick?

- It is important to address this code promptly as it can lead to decreased engine performance and potentially cause damage to the catalytic converter.

4. Can a DIY enthusiast repair the P113C code issue in a Buick or is professional assistance recommended?

- Depending on the cause, some DIY repairs may be possible, such as checking and replacing the sensor. However, professional assistance may be needed for more complex issues.

5. Are there any troubleshooting tips to consider when dealing with the P113C code in a Buick?

- It is recommended to first check the sensor's wiring and connection for any visible damage or loose connections before replacing the sensor itself.

6. What steps are typically involved in repairing the P113C code related to Exhaust Gas Temperature Sensor 2 in a Buick?

- The typical repair process involves locating the sensor, testing its functionality, replacing it if necessary, and clearing the error code from the vehicle's computer.

7. How can regular maintenance help prevent the recurrence of the P113C code in a Buick?

- Regular maintenance, such as checking sensor connections during tune-ups and ensuring the exhaust system is in good condition, can help prevent issues leading to this code.

8. Is it safe to continue driving a Buick with the P113C code related to Exhaust Gas Temperature Sensor 2 Not Plausible?

- While the vehicle may still be operable with this code present, it is advisable to address the issue promptly to prevent potential engine damage or further complications.

9. What are the potential long-term effects of ignoring the P113C code in a Buick?

- Ignoring this code can lead to reduced fuel efficiency, increased emissions, and possible damage to other components in the exhaust system over time.

10. Can resetting the error code using an OBDII scanner resolve the P113C code issue in a Buick temporarily?

- Resetting the code may temporarily clear the Check Engine light, but the underlying issue causing the code will persist and should still be addressed to prevent further problems.

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