AutoCodes – Buick – B0976 Buick

B0976 Buick Code - Off Indicator Control Circuit

Quick Answer

The Ignition Mode Switch has 3 LEDs that indicate the vehicle power mode. Common causes include Faulty Ignition Mode Switch, Ignition Mode Switch harness is open or shorted, Ignition Mode 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: B0976 Buick indicates Off Indicator Control Circuit.
Common causes: Common causes include Faulty Ignition Mode Switch, Ignition Mode Switch harness is open or shorted, Ignition Mode 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 727

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 Nov 18, 2024

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B0976 Buick Description

The Ignition Mode Switch has 3 LEDs that indicate the vehicle power mode. When the vehicle is in the Off mode, the Off LED may illuminate. Pressing the lower button of the ignition mode switch, the vehicle enters the accessory mode and ACC LED will illuminate. Keeping the lower button pressed for about 5-6 seconds, the vehicle enters run mode with the engine off and the START LED will illuminate. All these LEDs have the voltage supplied from the Body Control Module (BCM) through the ignition mode switch supply voltage circuit. The ground path for each LED is controlled by the BCM.

OBDII Code B0976 Buick - Off Indicator Control Circuit - AutoCodes.com — B0976 Buick Code - Off Indicator Control Circuit

What does this mean?

What are the Possible Causes of the DTC B0976 Buick?

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

How to Fix the DTC B0976 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 B0976 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 B0976 Buick code?

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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 B0976 Buick Code

1. What are the common symptoms of OBDII code B0976 in a Buick related to the Off Indicator Control Circuit?

- The common symptoms include the off indicator light not functioning properly or staying illuminated when it should not be.

2. What can cause the OBDII code B0976 in a Buick to trigger related to the Off Indicator Control Circuit?

- The code B0976 can be triggered due to a faulty off indicator control circuit, a damaged indicator light, or a problem with the wiring or connectors.

3. How can I diagnose the OBDII code B0976 in my Buick related to the Off Indicator Control Circuit?

- Diagnose the code by inspecting the off indicator light, checking the wiring and connectors for any visible damage, and using a multimeter to test the circuit for continuity.

4. What are some repair tips for fixing the OBDII code B0976 in a Buick related to the Off Indicator Control Circuit?

- Repair tips include replacing a faulty off indicator light, repairing damaged wiring or connectors, and ensuring all connections are secure and free of corrosion.

5. Can I reset the OBDII code B0976 in my Buick related to the Off Indicator Control Circuit without fixing the issue?

- While you can clear the code with an OBDII scanner, it is recommended to diagnose and fix the underlying issue to prevent further problems with the off indicator control circuit.

6. Is it safe to continue driving my Buick with the OBDII code B0976 related to the Off Indicator Control Circuit illuminated?

- It is generally safe to drive the vehicle with this code, but it is important to address the issue promptly to ensure all indicator lights are functioning correctly.

7. Can extreme weather conditions or environmental factors trigger the OBDII code B0976 in a Buick related to the Off Indicator Control Circuit?

- Yes, extreme temperature changes, moisture, or other environmental factors can sometimes contribute to issues with the off indicator control circuit and trigger the code.

8. Are there any recalls or technical service bulletins (TSBs) related to the OBDII code B0976 in Buick vehicles?

- Check with your local Buick dealership or online resources for any recalls or TSBs specifically addressing the OBDII code B0976 related to the Off Indicator Control Circuit in your vehicle.

9. How long does it typically take to repair the OBDII code B0976 in a Buick related to the Off Indicator Control Circuit?

- The repair time can vary depending on the exact cause of the issue, but it may take anywhere from 30 minutes to a few hours to diagnose and fix the problem.

10. Can a DIY enthusiast with basic automotive knowledge fix the OBDII code B0976 in a Buick related to the Off Indicator Control Circuit?

- Yes, a DIY enthusiast with basic automotive knowledge and the right tools can often diagnose and repair the issue causing the code B0976, such as replacing a faulty indicator light or repairing damaged wiring.