P179B 2014 GMC Sierra 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 2014 GMC Sierra 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.
Code P179B 2014 GMC Sierra Description
What are the Possible Causes of the DTC P179B 2014 GMC Sierra?
- 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 2014 GMC Sierra?
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 2014 GMC Sierra 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 2014 GMC Sierra code?
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Frequently Asked Questions about P179B 2014 GMC Sierra Code
1. What are the common symptoms of OBDII code P179B in a 2014 GMC Sierra?
The common symptoms of OBDII code P179B in a 2014 GMC Sierra include transmission shifting issues, gear slippage, and the vehicle going into limp mode.
2. What does the OBDII code P179B "Transmission Range State Command Signal Message Counter Incorrect" indicate?
The code P179B indicates that the transmission control module has detected an issue with the signal message counter related to the transmission range state command.
3. What are the possible causes of OBDII code P179B in a 2014 GMC Sierra?
Possible causes of OBDII code P179B in a 2014 GMC Sierra include faulty transmission range sensor, damaged wiring or connectors, software issues, or a malfunctioning transmission control module.
4. How can I diagnose the OBDII code P179B in my 2014 GMC Sierra?
Diagnosing OBDII code P179B in a 2014 GMC Sierra involves using a diagnostic scanner to retrieve the code, examining the transmission range sensor, checking for wiring issues, and performing a thorough inspection of the transmission control module.
5. Can I continue driving my 2014 GMC Sierra with OBDII code P179B?
It is not recommended to continue driving your 2014 GMC Sierra with OBDII code P179B, as it can lead to further damage to the transmission system. It's best to address the issue promptly.
6. How can OBDII code P179B in a 2014 GMC Sierra be repaired?
Repairing OBDII code P179B in a 2014 GMC Sierra may involve replacing the transmission range sensor, repairing damaged wiring or connectors, updating software, or replacing the transmission control module if necessary.
7. Is it possible to reset OBDII code P179B in a 2014 GMC Sierra without repairs?
Resetting OBDII code P179B in a 2014 GMC Sierra without addressing the underlying issue may temporarily clear the code, but it is likely to reappear once the problem persists. It's essential to diagnose and repair the root cause.
8. Can a DIY enthusiast fix OBDII code P179B in a 2014 GMC Sierra?
While some aspects of diagnosing and repairing OBDII code P179B may be within reach of a skilled DIY enthusiast, it is recommended to consult a professional mechanic due to the complexity of transmission system issues.
9. How much does it cost to repair OBDII code P179B in a 2014 GMC Sierra?
The cost of repairing OBDII code P179B in a 2014 GMC Sierra can vary depending on the exact cause of the issue, parts needed for replacement, labor costs, and the mechanic's hourly rate. It's best to obtain quotes from different repair shops.
10. Will OBDII code P179B cause my 2014 GMC Sierra to fail an emissions test?
Yes, OBDII code P179B can cause your 2014 GMC Sierra to fail an emissions test, as it indicates a malfunction in the transmission system, which can affect the vehicle's overall performance and emissions output.
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