P179B 2018 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 2018 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.
Code P179B 2018 Chevrolet Silverado Description
What are the Possible Causes of the DTC P179B 2018 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 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 P179B 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 P179B 2018 Chevrolet Silverado code?
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Frequently Asked Questions about P179B 2018 Chevrolet Silverado Code
1. What are the common symptoms of OBDII code P179B in a 2018 Chevrolet Silverado?
The common symptoms include issues with shifting gears, erratic transmission behavior, warning lights on the dashboard, and potential stalling of the vehicle.
2. What causes the OBDII code P179B to appear in a 2018 Chevrolet Silverado?
The code P179B usually indicates a problem with the Transmission Range State Command Signal Message Counter being incorrect, which can be caused by wiring issues, faulty sensors, or a malfunction in the transmission control module.
3. How serious is the OBDII code P179B in a 2018 Chevrolet Silverado?
This code is considered serious as it directly affects the transmission's ability to function properly. Ignoring it can lead to further damage to the transmission and potentially unsafe driving conditions.
4. Can I continue driving my 2018 Chevrolet Silverado with the OBDII code P179B present?
It is not recommended to continue driving the vehicle with this code present, as it can lead to further damage to the transmission. It is advisable to have the issue diagnosed and repaired as soon as possible.
5. How can I diagnose the OBDII code P179B in my 2018 Chevrolet Silverado?
Diagnosing this code typically involves using a diagnostic scanner to retrieve the specific details of the code, inspecting the transmission components, and testing the sensors and wiring associated with the Transmission Range State Command Signal.
6. What are some repair tips for fixing the OBDII code P179B in a 2018 Chevrolet Silverado?
Repair tips may include checking and repairing any damaged wiring, replacing faulty sensors, ensuring proper connections, updating the transmission control module software, and performing a relearn procedure for the transmission.
7. Can I reset the OBDII code P179B in my 2018 Chevrolet Silverado without fixing the underlying issue?
While you can clear the code with a diagnostic scanner, it is not recommended to do so without addressing the root cause. The code is likely to reappear if the underlying issue is not resolved.
8. How much does it typically cost to repair the OBDII code P179B in a 2018 Chevrolet Silverado?
The cost of repairing this code can vary depending on the specific cause of the issue, the extent of the damage, and the labor rates in your area. It is advisable to consult a professional mechanic for an accurate estimate.
9. Are there any recalls or technical service bulletins related to the OBDII code P179B in a 2018 Chevrolet Silverado?
It is recommended to check with Chevrolet or authorized service centers for any related recalls or technical service bulletins that may pertain to the OBDII code P179B in your specific vehicle.
10. How can I prevent the OBDII code P179B from recurring in my 2018 Chevrolet Silverado?
Regular maintenance, such as checking and replacing transmission fluids as recommended, inspecting wiring and sensors periodically, and addressing any transmission-related issues promptly, can help prevent the recurrence of the P179B code.
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