AutoCodes – Chevrolet – P176B 2018 Chevrolet Silverado

P176B 2018 Chevrolet Silverado Code - Intermediate Speed Sensor Circuit Performance

Quick Answer

The sensor contains a hall-effect sensor and additional electronics that process the signal. Common causes include Faulty Transmission Intermediate Shaft Speed Sensor, Transmission Intermediate Shaft Speed Sensor harness is open or shorted, Transmission Intermediate Shaft Speed 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
P176B 2018 Chevrolet Silverado indicates Intermediate Speed Sensor Circuit Performance.
Common causes
Common causes include Faulty Transmission Intermediate Shaft Speed Sensor, Transmission Intermediate Shaft Speed Sensor harness is open or shorted, Transmission Intermediate Shaft Speed 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 501
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Aug 29, 2022
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Code P176B 2018 Chevrolet Silverado Description

The sensor contains a hall-effect sensor and additional electronics that process the signal. It detects the change of the strength of the magnetic field caused by the reluctor ring. When the strength changes, the sensor changes the amount of current it consumes. This results in a square wave signal of the current, while the voltage stays constant. The control module detects the frequency in which the current changes, which is proportional to the rotational speed.
The sensor is an input to the control module. The input signal is used to determine the rotational speed of the component, the Diagnostic Trouble Code (DTC) will be set when the reaction Carrier Assembly Transmission Intermediate Speed Sensor is greater than 60 RPM on gears 1, 2.
OBDII Code P176B 2018 Chevrolet Silverado - Intermediate Speed Sensor Circuit Performance - AutoCodes.com
P176B 2018 Chevrolet Silverado Code - Intermediate Speed Sensor Circuit Performance

What are the Possible Causes of the DTC P176B 2018 Chevrolet Silverado?

  • Faulty Transmission Intermediate Shaft Speed Sensor
  • Transmission Intermediate Shaft Speed Sensor harness is open or shorted
  • Transmission Intermediate Shaft Speed Sensor circuit poor electrical connection
  • Faulty Transmission Control Module

How to Fix the DTC P176B 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 P176B 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 P176B 2018 Chevrolet Silverado code?

Need more information on how to fix the P176B 2018 Chevrolet Silverado code? Get Access to Factory Service Manuals

Need Help with the Code?

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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 P176B 2018 Chevrolet Silverado Code

1. What are the common symptoms of OBDII code P176B in a 2018 Chevrolet Silverado?

- Common symptoms include transmission shifting issues, harsh shifting, delayed gear engagement, and illumination of the check engine light.

2. What could be the potential causes of OBDII code P176B in a 2018 Chevrolet Silverado?

- The code P176B typically indicates an issue with the intermediate speed sensor circuit, which could be caused by a faulty sensor, damaged wiring, or a poor electrical connection.

3. How serious is OBDII code P176B in a 2018 Chevrolet Silverado?

- While the vehicle may still be operable with this code, it is important to address it promptly to prevent further damage to the transmission and ensure safe driving conditions.

4. Can I continue driving my 2018 Chevrolet Silverado with OBDII code P176B?

- It is not recommended to continue driving the vehicle with this code present, as it can lead to more severe transmission problems if left unresolved.

5. How can I diagnose OBDII code P176B in my 2018 Chevrolet Silverado?

- Proper diagnosis typically involves using a scan tool to retrieve the trouble code, inspecting the intermediate speed sensor and related wiring, and testing the sensor's functionality.

6. Is it possible to repair OBDII code P176B in a 2018 Chevrolet Silverado without professional help?

- While some DIY enthusiasts may attempt to address this code themselves, it is generally recommended to seek the assistance of a qualified mechanic due to the complexity of transmission-related issues.

7. How much does it cost to repair OBDII code P176B in a 2018 Chevrolet Silverado?

- The cost of repair can vary depending on the exact cause of the code, but it typically ranges from a few hundred to over a thousand dollars, including parts and labor.

8. Are there any preventive maintenance tips to avoid OBDII code P176B in a 2018 Chevrolet Silverado?

- Regularly servicing the transmission, checking for any signs of leaks, and promptly addressing any shifting abnormalities can help prevent issues that may trigger this trouble code.

9. Can a bad intermediate speed sensor cause other transmission problems besides triggering OBDII code P176B in a 2018 Chevrolet Silverado?

- Yes, a faulty intermediate speed sensor can lead to various transmission issues, including erratic shifting, loss of power, and even complete transmission failure if not addressed promptly.

10. How long does it typically take to repair OBDII code P176B in a 2018 Chevrolet Silverado?

- The repair time can vary based on the exact cause of the code and the availability of parts, but it usually takes a few hours to a day for a qualified mechanic to diagnose and fix the issue.

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