AutoCodes – Chevrolet – P007B 2018 Chevrolet Silverado

P007B 2018 Chevrolet Silverado Code - Charge Air Cooler Temperature Sensor 1 Performance

Quick Answer

The Charge Air Cooler (CAC) Temperature Sensor 1 is a variable resistor. Common causes include Faulty Charge Air Cooler Temperature Sensor, Charge Air Cooler Temperature Sensor harness is open or shorted, Charge Air Cooler 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: P007B 2018 Chevrolet Silverado indicates Charge Air Cooler Temperature Sensor 1 Performance.
Common causes: Common causes include Faulty Charge Air Cooler Temperature Sensor, Charge Air Cooler Temperature Sensor harness is open or shorted, Charge Air Cooler 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.

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Code Popularity 377

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on May 16, 2022

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P007B 2018 Chevrolet Silverado Description

The Charge Air Cooler (CAC) Temperature Sensor 1 is a variable resistor. The sensor is located at the turbocharger outlet. Its signal is used by the Engine Control Module (ECM) to measure the temperature of the intake air entering the CAC. The ECM supplies 5 V to the signal circuit and a ground for the low reference circuit. The ECM continuously monitors the sensor signal for an excessively high or low voltage, or for a start-up signal that is not in correlation with the Intake Air Temperature (IAT) Sensor start-up signal and Fuel Temperature Sensor. The Diagnostic Trouble Code (DTC) will be set when the ECM detects a difference of greater than 20°C (68°F) between CAC temperature sensor 1 and the combined average temperature of IAT 3 and the fuel temperature sensor.

OBDII Code P007B 2018 Chevrolet Silverado - Charge Air Cooler Temperature Sensor 1 Performance - AutoCodes.com — P007B 2018 Chevrolet Silverado Code - Charge Air Cooler Temperature Sensor 1 Performance

What does this mean?

What are the Possible Causes of the DTC P007B 2018 Chevrolet Silverado?

Faulty Charge Air Cooler Temperature Sensor
Charge Air Cooler Temperature Sensor harness is open or shorted
Charge Air Cooler Temperature Sensor circuit poor electrical connection
Faulty Engine Control Module (ECM)

How to Fix the DTC P007B 2018 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 is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P007B 2018 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 P007B 2018 Chevrolet Silverado code?

Need more information on how to fix the P007B 2018 Chevrolet Silverado code? Get Access to Factory Service Manuals

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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 P007B 2018 Chevrolet Silverado Code

1. What are the common symptoms of OBDII code P007B in a 2018 Chevrolet Silverado related to the Charge Air Cooler Temperature Sensor 1?

Symptoms may include poor engine performance, decreased fuel efficiency, and potential issues with the turbocharger system.

2. What are the possible causes of OBDII code P007B in a 2018 Chevrolet Silverado?

Potential causes include a faulty charge air cooler temperature sensor, wiring or connector issues, or problems with the engine control module.

3. How can I diagnose the issue causing OBDII code P007B in my 2018 Chevrolet Silverado?

Diagnosis typically involves using a scan tool to read the code, testing the charge air cooler temperature sensor, and inspecting related wiring and connections for any damage or loose connections.

4. Can I continue driving my 2018 Chevrolet Silverado with OBDII code P007B present?

It is not recommended to continue driving with this code as it can lead to further damage to the engine or emission control system. It's best to address the issue promptly.

5. How can I repair OBDII code P007B in my 2018 Chevrolet Silverado?

Repair usually involves replacing the faulty charge air cooler temperature sensor, repairing any damaged wiring or connectors, and clearing the code with a scan tool.

6. Are there any tips for preventing OBDII code P007B from recurring in my 2018 Chevrolet Silverado?

Regular maintenance checks, ensuring proper sensor connections, and addressing any issues promptly can help prevent the code from recurring.

7. Is it possible to reset OBDII code P007B in a 2018 Chevrolet Silverado without fixing the underlying issue?

While you can clear the code temporarily with a scan tool, it is essential to address the root cause to prevent the code from reappearing.

8. How long does it typically take to repair OBDII code P007B in a 2018 Chevrolet Silverado?

The repair time can vary based on the exact cause of the issue, but it may take anywhere from 1-2 hours for a professional mechanic to diagnose and fix the problem.

9. Can a DIY enthusiast with some automotive knowledge repair OBDII code P007B in a 2018 Chevrolet Silverado?

While some DIY enthusiasts may be able to replace the charge air cooler temperature sensor themselves, it's advisable to consult a professional mechanic for a proper diagnosis and repair.

10. Will OBDII code P007B cause my 2018 Chevrolet Silverado to fail emissions testing?

Yes, this code can trigger the check engine light and cause your vehicle to fail emissions testing. It's important to address the issue before undergoing an emissions test.