AutoCodes – Buick – B2711 Buick

B2711 Buick 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 Buick 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 586

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 Buick 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 Buick - Short Key Pellet - AutoCodes.com — B2711 Buick Code - Short Key Pellet

What does this mean?

What are the Possible Causes of the DTC B2711 Buick?

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

How to Fix the DTC B2711 Buick?

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 Buick 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.

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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 Buick Code

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

Code B2711 indicates an issue with the vehicle's Passkey II system, specifically related to a shorted or malfunctioning key pellet in the ignition key.

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

Symptoms may include the engine not starting, the security light staying illuminated, or intermittent starting issues.

3. What causes code B2711 in a Buick?

The code is typically caused by a damaged or worn key pellet, a short in the wiring to the key reader, or a malfunction in the ignition cylinder or Passkey II module.

4. How can I diagnose code B2711 on my Buick?

Start by inspecting the key pellet for damage or wear, check for continuity in the key reader wiring, and use a diagnostic scanner to confirm the fault and rule out other security system issues.

5. Can a worn ignition key trigger code B2711 on a Buick?

Yes, a worn or damaged key pellet can prevent the Passkey II system from recognizing the key, triggering code B2711.

6. How do I fix code B2711 in a Buick?

Common fixes include replacing the ignition key with a new one programmed to the vehicle, repairing or replacing the ignition cylinder, or addressing shorted wiring in the key reader circuit.

7. Can I bypass the Passkey II system to resolve code B2711?

Bypassing the Passkey II system is not recommended, as it compromises the vehicle's security. Instead, repair or replace the faulty components.

8. How much does it cost to fix code B2711 on a Buick?

Costs can vary but typically range from $100 to $300, depending on whether the key, ignition cylinder, or wiring needs replacement.

9. Will clearing the code B2711 fix the problem?

Clearing the code without addressing the underlying issue will not resolve the problem, and the code is likely to return.

10. Can I still drive my Buick with code B2711 present?

If the engine starts, you may be able to drive temporarily, but the issue should be addressed promptly to avoid being stranded due to a no-start condition.