AutoCodes – Buick – B2964 Buick

B2964 Buick Code - Key In Ignition Circuit High

Quick Answer

The Body Control Module (BCM) uses a key in ignition input in order to control certain features in the vehicle. Common causes include Faulty Ignition Switch, Ignition Switch harness is open or shorted, Ignition Switch circuit poor electrical connection. 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: B2964 Buick indicates Key In Ignition Circuit High.
Common causes: Common causes include Faulty Ignition Switch, Ignition Switch harness is open or shorted, Ignition Switch circuit poor electrical connection.
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 657

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 Feb 20, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B2964 Buick Description

The Body Control Module (BCM) uses a key in ignition input in order to control certain features in the vehicle. These features are in the following systems: Content Theft Deterrent (if equipped), Audible Warnings, and Automatic Door Locks.
The key in the ignition input circuit is grounded when you fully insert the ignition key into the ignition switch. This, in turn, pulls the BCM key in ignition input low.

OBDII Code B2964 Buick - Key In Ignition Circuit High - AutoCodes.com — B2964 Buick Code - Key In Ignition Circuit High

What does this mean?

What are the Possible Causes of the DTC B2964 Buick?

Faulty Ignition Switch
Ignition Switch harness is open or shorted
Ignition Switch circuit poor electrical connection
Faulty Body Control Module (BCM)

How to Fix the DTC B2964 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 B2964 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.

Need more information about the B2964 Buick code?

Need more information on how to fix the B2964 Buick code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B2964 Buick 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 B2964 Buick Code

1. What are the common symptoms of OBDII code B2964 Buick (Key In Ignition Circuit High)?

- The common symptoms include difficulty starting the vehicle, the engine not turning over, and the ignition key being stuck in the ignition.

2. What are the possible causes of OBDII code B2964 Buick?

- The possible causes include a faulty ignition switch, a wiring issue in the key-in-ignition circuit, or a problem with the Body Control Module (BCM).

3. How can I diagnose the issue related to OBDII code B2964 Buick?

- Diagnosing the issue involves checking the wiring in the key-in-ignition circuit, testing the ignition switch, and scanning the BCM for any related fault codes.

4. Can I still drive my vehicle with OBDII code B2964 Buick present?

- It is not recommended to drive the vehicle with this code present, as it may lead to potential starting or electrical issues while driving.

5. How can I repair OBDII code B2964 Buick (Key In Ignition Circuit High)?

- The repair typically involves replacing the faulty ignition switch, repairing any damaged wiring in the circuit, or reprogramming the BCM if needed.

6. Will resetting the OBDII code B2964 Buick make it go away permanently?

- Resetting the code may temporarily clear it, but if the underlying issue is not fixed, the code is likely to return.

7. Is OBDII code B2964 Buick a serious problem that needs immediate attention?

- Yes, this code should be addressed promptly to avoid potential starting or electrical issues with the vehicle.

8. Can a DIY enthusiast fix OBDII code B2964 Buick, or is it best left to professionals?

- Depending on the individual's skill level and knowledge of automotive electrical systems, some DIY enthusiasts may be able to address this code. However, professional help is recommended for complex issues.

9. Are there any preventive measures to avoid OBDII code B2964 Buick in the future?

- Regularly inspecting the ignition system, maintaining the key-in-ignition circuit, and addressing any electrical issues promptly can help prevent this code from occurring.

10. How long does it typically take to repair OBDII code B2964 Buick?

- The repair time can vary depending on the exact cause of the issue, but it may take anywhere from an hour to a few hours to diagnose and fix the problem.