AutoCodes – Chevrolet – P0545 2016 Chevrolet Silverado

P0545 2016 Chevrolet Silverado Code - Exhaust Gas Temperature Sensor 1 Circuit Low 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) 1, Exhaust Gas Temperature Sensor 1 harness is open or shorted, Exhaust Gas Temperature Sensor 1 circuit poor electrical connection. Severity is Moderate - service should be scheduled soon. The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.

What it means: P0545 2016 Chevrolet Silverado indicates Exhaust Gas Temperature Sensor 1 Circuit Low Voltage.
Common causes: Common causes include Faulty Exhaust Gas Temperature Sensor (EGTS) 1, Exhaust Gas Temperature Sensor 1 harness is open or shorted, Exhaust Gas Temperature Sensor 1 circuit poor electrical connection.
Severity: Moderate - service should be scheduled soon.
Can I drive?: The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.

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Code Popularity 237

How popular is this code, among other codes? Low

Repair Importance Level

Moderate (Service soon) (2 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jul 03, 2022

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code P0545 2016 Chevrolet Silverado Description

The Exhaust Gas Temperature sensors (EGTS) are variable resistors that measure the temperature of the exhaust gas. Exhaust temperature sensor 1 is the first exhaust temperature sensor in the exhaust system, the following exhaust temperature sensors are counted upward from the engine outlet to the exhaust system end. The Engine Control Module (ECM) supplies 5 V to the exhaust gas temperature signal circuit and supplies a ground to the low reference circuit. The exhaust gas temperature sensor temperature information is used by the ECM during the exhaust gas particulate filter cleaning process. The Diagnostic Trouble Code (DTC) will ve set when the ECM detects that the exhaust gas temperature sensor is less than 158 Ω for greater than 2 s.

OBDII Code P0545 2016 Chevrolet Silverado - Exhaust Gas Temperature Sensor 1 Circuit Low Voltage - AutoCodes.com — P0545 2016 Chevrolet Silverado Code - Exhaust Gas Temperature Sensor 1 Circuit Low Voltage

What does this mean?

What are the Possible Causes of the DTC P0545 2016 Chevrolet Silverado?

Faulty Exhaust Gas Temperature Sensor (EGTS) 1
Exhaust Gas Temperature Sensor 1 harness is open or shorted
Exhaust Gas Temperature Sensor 1 circuit poor electrical connection
Faulty Engine Control Module (ECM)

How to Fix the DTC P0545 2016 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.

What does this mean?

Code Tech Notes

After starting the engine, the exhaust gas temperature sensor temperature should rise steadily, then stabilize after the engine reaches operating temperature. Exhaust gas temperature sensors may fail intermittently while operating under extreme temperatures. Review the Freeze Frame/Failure Records to verify the failure criteria.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0545 2016 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 P0545 2016 Chevrolet Silverado code?

Need more information on how to fix the P0545 2016 Chevrolet Silverado code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0545 2016 Chevrolet Silverado 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 P0545 2016 Chevrolet Silverado Code

1. What are the common symptoms of OBDII code P0545 in a 2016 Chevrolet Silverado?

The common symptoms include reduced engine performance, decreased fuel efficiency, illuminated Check Engine Light, and potential issues with the exhaust system.

2. What does the OBDII code P0545 Exhaust Gas Temperature Sensor 1 Circuit Low Voltage mean in a 2016 Chevrolet Silverado?

This code indicates that there is a low voltage condition detected in the exhaust gas temperature sensor 1 circuit of the vehicle.

3. What are the possible causes of the P0545 code in a 2016 Chevrolet Silverado?

Possible causes include a faulty exhaust gas temperature sensor, damaged wiring or connectors in the sensor circuit, issues with the sensor's ground connection, or a problem with the engine control module.

4. How can I diagnose the P0545 code in my 2016 Chevrolet Silverado?

Diagnosis typically involves using an OBDII scanner to retrieve the code, inspecting the exhaust gas temperature sensor and its wiring for any visible damage, and testing the sensor's voltage and resistance.

5. Can I continue to drive my 2016 Chevrolet Silverado with the P0545 code present?

It is not recommended to drive the vehicle with the P0545 code present, as it can lead to further damage to the engine or the exhaust system.

6. What are the repair options for the P0545 code in a 2016 Chevrolet Silverado?

Repair options include replacing the faulty exhaust gas temperature sensor, repairing or replacing damaged wiring or connectors, ensuring a proper ground connection, or reprogramming the engine control module.

7. How much does it typically cost to repair the P0545 code in a 2016 Chevrolet Silverado?

The cost of repair can vary depending on the exact cause of the issue, but it may range from around $100 for a simple sensor replacement to a few hundred dollars for more extensive repairs.

8. Can I reset the Check Engine Light after repairing the P0545 code in my 2016 Chevrolet Silverado?

Yes, once the issue causing the code has been resolved, you can reset the Check Engine Light using an OBDII scanner or by disconnecting the vehicle's battery for a few minutes.

9. Are there any preventative maintenance tips to avoid the P0545 code in a 2016 Chevrolet Silverado?

Regularly inspecting the exhaust system components, ensuring proper maintenance of the engine, and addressing any engine performance issues promptly can help prevent the occurrence of the P0545 code.

10. How serious is the P0545 code in a 2016 Chevrolet Silverado?

While the P0545 code may not cause immediate vehicle breakdown, it should be addressed promptly to prevent potential damage to the engine or the exhaust system and to maintain optimal vehicle performance.