AutoCodes – Chevrolet – B2711 Chevrolet

B2711 Chevrolet Code - Short Key Pellet

Quick Answer

When the ignition key is inserted in the ignition, the resistance of the key pellet is measured. Common causes include Faulty Ignition Key, Faulty Steering Column Lock Cylinder, Faulty Instrument Panel Cluster (IPC). 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: B2711 Chevrolet indicates Short Key Pellet.
Common causes: Common causes include Faulty Ignition Key, Faulty Steering Column Lock Cylinder, Faulty Instrument Panel Cluster (IPC).
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 863

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

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Table of contents Created and updated by William Orellana on Jan 26, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B2711 Chevrolet Description

When the ignition key is inserted in the ignition, the resistance of the key pellet is measured. Resistance is compared with resistance value stored in IPC memory. DTC B2710 will set when an open or zero resistance value is measured from key pellet prior to obtaining a valid resistance reading. DTC B2711 will set when an open or zero resistance value is measured from key pellet following a valid resistance reading. When DTC B2710 is set as current, IPC will display STARTING DISABLED, REMOVE IGNITION KEY message on drivers message center and prevent the vehicle from starting. When DTC B2711 is set as current, IPC will display THEFT SYSTEM PROBLEM, CAR MAY NOT RESTART message on drivers message center and allow the vehicle to continue to run.

OBDII Code B2711 Chevrolet - Short Key Pellet - AutoCodes.com — B2711 Chevrolet Code - Short Key Pellet

What does this mean?

What are the Possible Causes of the DTC B2711 Chevrolet?

Faulty Ignition Key
Faulty Steering Column Lock Cylinder
Faulty Instrument Panel Cluster (IPC)

How to Fix the DTC B2711 Chevrolet?

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 B2711 Chevrolet 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 B2711 Chevrolet code?

Need more information on how to fix the B2711 Chevrolet code? Get Access to Factory Service Manuals

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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 B2711 Chevrolet Code

1. What does OBDII code B2711 mean on a Chevrolet?

B2711 indicates an issue with the short key pellet circuit, often related to the vehicle's Passlock or Passkey anti-theft system.

2. What are the common symptoms of code B2711 in a Chevrolet?

Symptoms include the engine not starting, the security light staying on or flashing, and possible intermittent starting issues.

3. What causes code B2711 to appear in a Chevrolet?

Common causes include a faulty ignition key, damaged key pellet resistor, worn ignition cylinder, or wiring issues in the Passlock system.

4. How can I fix the B2711 code on my Chevrolet?

Repairs may involve replacing the ignition key, repairing or replacing the ignition cylinder, or addressing damaged wiring in the key pellet circuit.

5. Can a faulty ignition key trigger code B2711 in a Chevrolet?

Yes, if the key's resistor pellet is damaged or worn, it can cause a failure in the Passlock communication, triggering this code.

6. How do I diagnose the cause of code B2711 in my Chevrolet?

Start by inspecting the ignition key for damage, then check the ignition cylinder and wiring for continuity and resistance matching the expected value.

7. Does code B2711 mean my Chevrolet's anti-theft system is malfunctioning?

Yes, this code indicates a problem in the anti-theft system, specifically in the short key pellet circuit.

8. Can I bypass the Passlock system to fix code B2711 on a Chevrolet?

While bypassing the Passlock system is possible, it is not recommended as it compromises the vehicle's anti-theft protection. Proper repairs should be made instead.

9. How much does it cost to fix code B2711 in a Chevrolet?

Repair costs can range from $50 to $300, depending on whether you need a new key, ignition cylinder, or wiring repairs.

10. Is it safe to drive with code B2711 active on my Chevrolet?

Driving with this code may not be possible if the vehicle won't start. Even if it starts, the anti-theft system might not function properly, increasing the risk of theft.