AutoCodes – Chevrolet – P179B 2016 Chevrolet Silverado

P179B 2016 Chevrolet Silverado Code - Transmission Range State Command Signal Message Counter Incorrect

Quick Answer

Control modules connected to the serial data circuits monitor the communication during normal vehicle operation. Common causes include Faulty Transmission Control Module (TCM), Transmission Control Module harness is open or shorted, Transmission Control Module 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: P179B 2016 Chevrolet Silverado indicates Transmission Range State Command Signal Message Counter Incorrect.
Common causes: Common causes include Faulty Transmission Control Module (TCM), Transmission Control Module harness is open or shorted, Transmission Control Module 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.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 583

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 Sep 29, 2022

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code P179B 2016 Chevrolet Silverado Description

Control modules connected to the serial data circuits monitor the communication during normal vehicle operation. Operating information and commands are exchanged among the control modules. Each module on the serial data circuit maintains a transmit error counter and a receive error counter. The counter values increase with detected errors and decrease with error-free messages. The Diagnostic Trouble Code (DTC) will be set when the Transmission Range State Command Signal Message Counter is Incorrect.

OBDII Code P179B 2016 Chevrolet Silverado - Transmission Range State Command Signal Message Counter Incorrect - AutoCodes.com — P179B 2016 Chevrolet Silverado Code - Transmission Range State Command Signal Message Counter Incorrect

What does this mean?

What are the Possible Causes of the DTC P179B 2016 Chevrolet Silverado?

Faulty Transmission Control Module (TCM)
Transmission Control Module harness is open or shorted
Transmission Control Module circuit poor electrical connection

How to Fix the DTC P179B 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 is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P179B 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 P179B 2016 Chevrolet Silverado code?

Need more information on how to fix the P179B 2016 Chevrolet Silverado code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P179B 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 P179B 2016 Chevrolet Silverado Code

1. What are the common symptoms of OBDII code P179B in a 2016 Chevrolet Silverado?

- Common symptoms include issues shifting gears, the transmission not engaging properly, and the Check Engine light being illuminated.

2. What does the OBDII code P179B indicate in a 2016 Chevrolet Silverado?

- The code indicates that the Transmission Range State Command Signal Message Counter is incorrect, suggesting a communication error within the transmission system.

3. What are some possible causes of OBDII code P179B in a 2016 Chevrolet Silverado?

- Possible causes include faulty wiring or connections in the transmission system, a malfunctioning transmission control module, or a software issue.

4. How can I diagnose OBDII code P179B in my 2016 Chevrolet Silverado?

- Diagnosing the code typically involves using a diagnostic scanner to read the code and investigate the transmission system for any visible issues or faults.

5. Can I continue driving my 2016 Chevrolet Silverado with OBDII code P179B?

- It is not recommended to continue driving the vehicle with this code present, as it can lead to further transmission problems and potential safety hazards.

6. How can I repair OBDII code P179B in my 2016 Chevrolet Silverado?

- Repair options may include checking and repairing any damaged wiring, ensuring proper connections, resetting the transmission control module, or updating software.

7. Is it necessary to visit a mechanic for OBDII code P179B in a 2016 Chevrolet Silverado?

- While some DIY troubleshooting may be possible, it is advisable to consult a qualified mechanic for a thorough diagnosis and proper repair of the issue.

8. How much does it typically cost to fix OBDII code P179B in a 2016 Chevrolet Silverado?

- The cost of repairs can vary depending on the exact cause of the code, but it may involve expenses for parts, labor, and any necessary software updates.

9. Can OBDII code P179B in a 2016 Chevrolet Silverado cause long-term damage if left untreated?

- Ignoring the code can potentially lead to more severe transmission issues or damage over time, so it is best to address the problem promptly.

10. How can I prevent OBDII code P179B from recurring in my 2016 Chevrolet Silverado?

- Regular maintenance checks, prompt addressing of any related issues, and ensuring the transmission system is in good condition can help prevent the code from reoccurring.