P1631 2014 Chevrolet Silverado Code - Theft Deterrent Start Enable Signal Not Correct
Quick Answer
The P1631 diagnostic trouble code (DTC) for a 2014 Chevrolet Silverado indicates that the theft deterrent start enable signal is not correct. Common causes include Faulty ignition switch, Malfunctioning key fob or transponder key, Wiring issues in the theft deterrent system. 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
- P1631 2014 Chevrolet Silverado indicates Theft Deterrent Start Enable Signal Not Correct.
- Common causes
- Common causes include Faulty ignition switch, Malfunctioning key fob or transponder key, Wiring issues in the theft deterrent system.
- 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 P1631 2014 Chevrolet Silverado Description
The P1631 diagnostic trouble code (DTC) for a 2014 Chevrolet Silverado indicates that the theft deterrent start enable signal is not correct. This code is related to the vehicle's anti-theft system, which is designed to prevent unauthorized access and starting of the vehicle. When this code is triggered, it means that the signal from the theft deterrent system is not being recognized or is not functioning properly, leading to a potential inability to start the vehicle.
Common Causes of P1631 2014 Chevrolet Silverado
- Faulty ignition switch
- Malfunctioning key fob or transponder key
- Wiring issues in the theft deterrent system
- Defective electronic control module (ECM)
- Battery or power supply issues affecting the theft deterrent system
Symptoms of P1631 2014 Chevrolet Silverado
- Engine cranks but does not start
- Security light on the dashboard remains illuminated
- Inability to start the vehicle using the key or key fob
- Vehicle goes into anti-theft mode and does not respond to attempts to start
How to Fix P1631 2014 Chevrolet Silverado
- Perform a thorough diagnostic scan to confirm the P1631 code and identify the specific cause of the issue.
- Inspect the ignition switch, key fob, and transponder key for any signs of damage or malfunction.
- Check the wiring and connections in the theft deterrent system for any loose connections or shorts.
- Test the electronic control module (ECM) to ensure it is functioning properly and communicating with the theft deterrent system.
- Replace any faulty components identified during the diagnostic process and reprogram the theft deterrent system as needed.
Cost to Fix P1631 2014 Chevrolet Silverado
The cost of repairing a P1631 code on a 2014 Chevrolet Silverado can vary depending on the specific cause of the issue and the labor rates in your area. In general, you can expect to pay anywhere from $200 to $500 for parts and labor to address this problem. Keep in mind that diagnostic time and labor rates can vary, so it's a good idea to get a few quotes from reputable auto repair shops in your area to ensure you're getting a fair price.
Tech Notes for P1631 2014 Chevrolet Silverado
-Insert the key, attempt to start the vehicle, and leave the key in the ON position.
In some vehicles, the Battery and Security light will blink for several seconds, and then shut off. Then the Security light will then remain ON. Leave the ignition ON until the Security light goes OFF. This will take more than 5 mins.
-When the Security light goes OFF, turn the ignition to the OFF position.
-Leave ignition OFF for 20 Seconds.
-Attempt to start the vehicle again and leave the key in the ON position.
-In some vehicles, the Battery and Security light will blink for several seconds, and then shut off. Then the Security light will then remain ON. Leave the ignition ON until the Security light goes OFF. This will take more than 5 mins.
-Turn the ignition to the OFF position for 20 Seconds.
-Attempt to start the vehicle again and leave the key in the ON position.
-In some vehicles, the Battery and Security light will blink for several seconds, and then shut off. Then the Security light will then remain ON. Leave the ignition ON until the Security light goes OFF. This will take more than 5 mins.
-Once this entire procedure has been completed (three times) your vehicle will start on the fourth attempt.
Note: Some vehicles perform the relearn in a different sequence. You may notice your security light, battery light, and abs light will alternate. Once the security light is left out of the sequence that is considered one step. Repeat the procedure two more times and on the fourth time, your vehicle will start.
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Frequently Asked Questions about P1631 2014 Chevrolet Silverado Code
1. What are the common symptoms of OBDII code P1631 on a 2014 Chevrolet Silverado?
- Common symptoms include the engine cranking but not starting, the security light staying on, and the vehicle going into theft-deterrent mode.
2. What does the OBDII code P1631 on a 2014 Chevrolet Silverado mean?
- OBDII code P1631 indicates that the theft deterrent start enable signal received by the Body Control Module (BCM) is not correct.
3. What are the possible causes of OBDII code P1631 on a 2014 Chevrolet Silverado?
- Possible causes include a faulty ignition key, an issue with the Passlock sensor, problems with the BCM, wiring issues, or a malfunction in the theft deterrent system.
4. How can I diagnose the OBDII code P1631 on my 2014 Chevrolet Silverado?
- Diagnosing the code may involve checking the ignition key, Passlock sensor, BCM connections, and wiring for any faults. Using a scan tool to retrieve additional codes can also help pinpoint the issue.
5. Can I still drive my 2014 Chevrolet Silverado with OBDII code P1631?
- It is not recommended to drive the vehicle with OBDII code P1631, as it can lead to starting issues or the vehicle going into theft-deterrent mode unexpectedly.
6. Is it possible to reset OBDII code P1631 on a 2014 Chevrolet Silverado?
- Simply resetting the code may not solve the underlying issue causing P1631. It's crucial to diagnose and address the root cause of the problem for a proper fix.
7. How much does it typically cost to repair OBDII code P1631 on a 2014 Chevrolet Silverado?
- The cost of repair can vary depending on the exact cause of the code. It may range from replacing a faulty key or sensor to addressing more complex BCM or wiring issues.
8. Can a DIY enthusiast fix OBDII code P1631 on a 2014 Chevrolet Silverado?
- While simple fixes like checking connections and replacing the ignition key can be done by a DIY enthusiast, diagnosing and repairing more complex issues may require professional help.
9. Will disconnecting the battery reset OBDII code P1631 on a 2014 Chevrolet Silverado?
- Disconnecting the battery may reset the code temporarily, but if the underlying issue is not addressed, the code is likely to reappear once the problem resurfaces.
10. How urgent is it to address OBDII code P1631 on a 2014 Chevrolet Silverado?
- It is essential to address OBDII code P1631 promptly to prevent starting issues and ensure the proper functioning of the theft deterrent system in your vehicle.
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