AutoCodes – Chevrolet – B1271 2017 Chevrolet Silverado

B1271 2017 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 2017 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.

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Code Popularity 252

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Apr 14, 2023

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B1271 2017 Chevrolet Silverado Description

When the radio is initially installed in the vehicle, the radio receives Vehicle Identification Number (VIN) information via serial data. The radio stores a portion of the VIN and compares this sequence to the VIN information received each time the radio powers on. The VIN in the radio is a single one-time learn.
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.

OBDII Code B1271 2017 Chevrolet Silverado - Theft Protection Active - AutoCodes.com — B1271 2017 Chevrolet Silverado Code - Theft Protection Active

What does this mean?

What are the Possible Causes of the DTC B1271 2017 Chevrolet Silverado?

Reprogram Radio
Faulty Radio

How to Fix the DTC B1271 2017 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 2017 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 2017 Chevrolet Silverado code?

Need more information on how to fix the B1271 2017 Chevrolet Silverado code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1271 2017 Chevrolet Silverado code diagnosed by a professional: Find a repair shop in your area

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about B1271 2017 Chevrolet Silverado Code

1. What does OBDII code B1271 on a 2017 Chevrolet Silverado mean?

- OBDII code B1271 indicates that the theft protection system is active on the vehicle.

2. What are the common symptoms of OBDII code B1271 on a 2017 Chevrolet Silverado?

- Common symptoms include the vehicle not starting, the security light flashing on the dashboard, and the engine cranking but not turning over.

3. What can cause OBDII code B1271 on a 2017 Chevrolet Silverado?

- This code can be triggered by issues with the key fob, a faulty ignition switch, a problem with the immobilizer system, or a communication error between components.

4. How can I reset OBDII code B1271 on a 2017 Chevrolet Silverado?

- To reset the code, try disconnecting the vehicle's battery for a few minutes, then reconnect it. If the issue persists, further diagnosis may be required.

5. Can OBDII code B1271 on a 2017 Chevrolet Silverado be fixed at home?

- Some simple fixes such as checking the key fob battery or ensuring the key is properly programmed may be done at home. However, more complex issues may require professional diagnosis and repair.

6. Is it safe to continue driving with OBDII code B1271 on a 2017 Chevrolet Silverado?

- It is not recommended to drive the vehicle with this code active, as it may prevent the vehicle from starting or cause other security-related issues.

7. How much does it typically cost to repair OBDII code B1271 on a 2017 Chevrolet Silverado?

- Repair costs can vary depending on the underlying cause of the code. Simple fixes like replacing a key fob battery may be inexpensive, while more complex issues could be costly.

8. What steps should I take if OBDII code B1271 keeps coming back on a 2017 Chevrolet Silverado?

- If the code keeps returning after attempts to reset it, it is advisable to have the vehicle professionally diagnosed to determine the root cause of the issue.

9. Can a DIY enthusiast troubleshoot OBDII code B1271 on a 2017 Chevrolet Silverado?

- DIY enthusiasts may be able to troubleshoot basic causes of the code, such as checking for loose connections or inspecting the key fob. However, more advanced diagnostics may require professional tools and expertise.

10. How can I prevent OBDII code B1271 from appearing on my 2017 Chevrolet Silverado in the future?

- Regular maintenance of the vehicle's security system, ensuring proper key programming, and promptly addressing any security-related issues can help prevent the recurrence of OBDII code B1271.