B1271 2018 Chevrolet Silverado Code - Theft Protection Active
Quick Answer
When the radio is initially installed in the vehicle, the radio receives Vehicle Identification Number (VIN) information via serial data. Common causes include Reprogram Radio, Faulty Radio. 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
- B1271 2018 Chevrolet Silverado indicates Theft Protection Active.
- Common causes
- Common causes include Reprogram Radio, Faulty Radio.
- 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 B1271 2018 Chevrolet Silverado Description
The radio theft deterrent system is intended to disable or limit radio functionality if incorrect vehicle information is received by radio. The radio disables functionality if the VIN information received by the radio does not match the VIN information that has been learned by the radio. This Diagnostic Trouble Code (DTC) is generated by the module when the Theft Protection is activated.
The DTC will be set when the radio receives the correct VIN information via serial data.
What are the Possible Causes of the DTC B1271 2018 Chevrolet Silverado?
- Reprogram Radio
- Faulty Radio
How to Fix the DTC B1271 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 B1271 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 B1271 2018 Chevrolet Silverado code?
Need more information on how to fix the B1271 2018 Chevrolet Silverado code? Get Access to Factory Service Manuals
Need Help with the Code?
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Frequently Asked Questions about B1271 2018 Chevrolet Silverado Code
1. What does OBDII code B1271 on a 2018 Chevrolet Silverado mean?
The code B1271 indicates that the Theft Protection system is active on your 2018 Chevrolet Silverado.
2. What are the common symptoms of OBDII code B1271 on a 2018 Chevrolet Silverado?
Common symptoms of code B1271 include the vehicle not starting, the security light flashing, or the engine shutting off shortly after starting.
3. What are the possible causes of OBDII code B1271 on a 2018 Chevrolet Silverado?
Possible causes of code B1271 can include a faulty key fob, a problem with the ignition switch, issues with the immobilizer system, or a malfunction in the vehicle's security system.
4. How can I diagnose OBDII code B1271 on my 2018 Chevrolet Silverado?
Diagnosing code B1271 may require using a professional OBDII scanner to retrieve the specific details of the fault. Checking the key fob, ignition system, and security system components is also recommended.
5. Can OBDII code B1271 on a 2018 Chevrolet Silverado be reset?
Resetting code B1271 may be possible by addressing the underlying issue that triggered the Theft Protection system activation. However, simply clearing the code without fixing the problem may cause it to reappear.
6. How can I repair OBDII code B1271 on my 2018 Chevrolet Silverado?
Repairing code B1271 typically involves addressing the root cause of the security system activation. This may include repairing or replacing faulty key fobs, ignition components, or security system modules.
7. Is it safe to drive my 2018 Chevrolet Silverado with OBDII code B1271 active?
It is not recommended to drive your vehicle with code B1271 active, as the Theft Protection system may prevent the vehicle from starting or could cause the engine to shut off unexpectedly while driving.
8. Will disconnecting the battery reset OBDII code B1271 on a 2018 Chevrolet Silverado?
Disconnecting the battery may temporarily clear the code, but if the underlying issue is not addressed, the code is likely to reappear once the system detects the problem again.
9. How much does it cost to fix OBDII code B1271 on a 2018 Chevrolet Silverado?
The cost of fixing code B1271 can vary depending on the cause of the issue. Simple fixes like replacing a key fob battery may be inexpensive, while more complex repairs involving the security system components could be costly.
10. Can a DIY enthusiast repair OBDII code B1271 on a 2018 Chevrolet Silverado?
DIY enthusiasts with knowledge of automotive systems may be able to diagnose and repair code B1271 on their 2018 Chevrolet Silverado. However, some repairs may require professional expertise and specialized tools.
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