AutoCodes – Buick – B3247 Buick

B3247 Buick Code - Short To Ground Rear Compartment Lid Release Circuit

Quick Answer

The Body Control Module (BCM) controls the rear compartment lid latch. Common causes include Faulty Rear Compartment Lid Latch, Faulty Body Control Module (BCM). 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: B3247 Buick indicates Short To Ground Rear Compartment Lid Release Circuit.
Common causes: Common causes include Faulty Rear Compartment Lid Latch, Faulty Body Control Module (BCM).
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 501

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 Mar 05, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B3247 Buick Description

The Body Control Module (BCM) controls the rear compartment lid latch. When the BCM receives a release input from the rear compartment lid release switch or the remote control door lock receiver the BCM pulses the rear compartment lid latch and the rear compartment lid opens. The Diagnostic Trouble Code (DTC) sets when the BCM detects a short to ground in the rear compartment lid release output circuit.

OBDII Code B3247 Buick - Short To Ground Rear Compartment Lid Release Circuit - AutoCodes.com — B3247 Buick Code - Short To Ground Rear Compartment Lid Release Circuit

What does this mean?

What are the Possible Causes of the DTC B3247 Buick?

Faulty Rear Compartment Lid Latch
Faulty Body Control Module (BCM)

How to Fix the DTC B3247 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 B3247 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 B3247 Buick Code

1. What are the common symptoms of OBDII code B3247 in a Buick related to the rear compartment lid release circuit?

- Common symptoms include the rear compartment lid failing to release, difficulty opening the trunk, or a non-functional trunk release button.

2. What can cause the OBDII code B3247 indicating a short to ground in the rear compartment lid release circuit of a Buick?

- The code can be triggered by a short circuit in the wiring, a faulty trunk release switch, or a malfunctioning trunk release actuator.

3. How can I diagnose the cause of OBDII code B3247 in my Buick's rear compartment lid release circuit?

- Diagnosis typically involves checking the wiring for any visible damage, testing the trunk release switch for continuity, and inspecting the trunk release actuator for proper operation.

4. Is it safe to continue driving my Buick with OBDII code B3247 related to the rear compartment lid release circuit?

- While it may be safe to drive, it is recommended to address the issue promptly to avoid inconvenience or potential safety hazards in case of an emergency.

5. Can I fix the short to ground issue in the rear compartment lid release circuit of my Buick myself?

- Depending on your level of automotive expertise, you may be able to fix the issue by repairing or replacing the damaged wiring, switch, or actuator. However, professional assistance is recommended for accurate diagnosis and repair.

6. Are there any temporary solutions to consider if I encounter OBDII code B3247 in my Buick's rear compartment lid release circuit?

- You can try manually releasing the trunk using the mechanical key or accessing the trunk from inside the vehicle, if possible, as a temporary workaround until the issue is resolved.

7. How much does it typically cost to repair OBDII code B3247 in a Buick's rear compartment lid release circuit?

- The cost of repair can vary depending on the exact cause of the issue, parts needed, and labor rates. It's advisable to obtain quotes from reputable automotive repair shops for an accurate estimate.

8. Will resetting the OBDII code B3247 in my Buick make the issue go away permanently?

- Resetting the code may temporarily clear the warning light, but if the underlying issue causing the short to ground in the rear compartment lid release circuit is not resolved, the code is likely to reappear.

9. Can extreme weather conditions affect the rear compartment lid release circuit and trigger OBDII code B3247 in a Buick?

- Yes, extreme temperatures or moisture can potentially worsen existing wiring faults or cause intermittent issues with the trunk release components, leading to the code being triggered.

10. How can I prevent OBDII code B3247 from recurring in the rear compartment lid release circuit of my Buick after repair?

- Regularly inspecting the trunk release system for any signs of wear or damage, keeping the components clean, and addressing any issues promptly can help prevent the code from reoccurring.