P179B 2016 Chevrolet Silverado Code - Transmission Range State Command Signal Message Counter Incorrect
Quick Answer
The P179B code for a 2016 Chevrolet Silverado indicates a Transmission Range State Command Signal Message Counter Incorrect. Common causes include Faulty transmission range sensor, Wiring issues or poor connections in the transmission range sensor circuit, Software glitch in the TCM. 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 range sensor, Wiring issues or poor connections in the transmission range sensor circuit, Software glitch in the TCM.
- 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 P179B 2016 Chevrolet Silverado Description
The P179B code for a 2016 Chevrolet Silverado indicates a Transmission Range State Command Signal Message Counter Incorrect. This code typically means that the transmission control module (TCM) has detected a discrepancy in the signal counter related to the transmission range state command. The transmission range state command signal is crucial for the TCM to accurately determine the gear position of the vehicle. When this signal counter is incorrect, it can lead to improper gear shifting, hesitation, or even transmission failure.
Common Causes of P179B 2016 Chevrolet Silverado
- Faulty transmission range sensor
- Wiring issues or poor connections in the transmission range sensor circuit
- Software glitch in the TCM
- Mechanical issues in the transmission system
- Corrosion or damage to the TCM connectors
Symptoms of P179B 2016 Chevrolet Silverado
- Rough or delayed shifting
- Erratic gear selection
- Limp mode activation
- Transmission failure to engage
How to Fix P179B 2016 Chevrolet Silverado
- Diagnose the issue by checking the transmission range sensor for proper operation and inspecting the wiring and connectors for any damage or corrosion.
- Clear the code from the TCM and perform a relearn procedure to reset the transmission range state command signal counter.
- Repair or replace any faulty components such as the transmission range sensor or damaged wiring.
- Test drive the vehicle to ensure proper operation and verify that the code does not return.
- If the issue persists, reevaluate the TCM and transmission system for any underlying issues that may require further repair or replacement.
Cost to Fix P179B 2016 Chevrolet Silverado
The cost of repairing a P179B code on a 2016 Chevrolet Silverado can vary depending on the specific cause of the issue and the labor rates at the auto repair shop. In general, the repair costs for this type of transmission-related problem can range from $200 to $800, including parts and labor. However, it is essential to note that diagnostic time and labor rates can fluctuate based on the location, vehicle make and model, and the expertise of the technician. It is recommended to obtain a detailed estimate from a reputable auto repair shop to determine the exact cost of addressing this issue.
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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.
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