AutoCodes – Buick – B3248 Buick

B3248 Buick Code - Short To Battery Voltage Rear Compartment Lid Release Output Circuit

Quick Answer

The Body Control Module (BCM) controls the rear compartment lid latch. Common causes include Faulty Rear Compartment Lid Release 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
B3248 Buick indicates Short To Battery Voltage Rear Compartment Lid Release Output Circuit.
Common causes
Common causes include Faulty Rear Compartment Lid Release 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 431
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Mar 05, 2020
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Code B3248 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 battery in the rear compartment lid release output circuit.
OBDII Code B3248 Buick - Short To Battery Voltage Rear Compartment Lid Release Output Circuit - AutoCodes.com
B3248 Buick Code - Short To Battery Voltage Rear Compartment Lid Release Output Circuit

What are the Possible Causes of the DTC B3248 Buick?

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

How to Fix the DTC B3248 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 B3248 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 B3248 Buick Code

1. What does the OBDII code B3248 mean for a Buick?

Code B3248 indicates a short to battery voltage in the rear compartment lid release output circuit, which controls the trunk release functionality.

2. What are the common symptoms of code B3248?

Symptoms include the trunk not opening when using the release button, intermittent functionality of the trunk release, or electrical issues such as blown fuses.

3. What causes code B3248 in a Buick?

Common causes include damaged wiring, a short to battery voltage, a faulty trunk release actuator, or issues with the body control module (BCM).

4. How can I diagnose code B3248 in my Buick?

Inspect the wiring and connectors for damage or corrosion, test the trunk release actuator for proper function, and check for shorts or continuity in the circuit using a multimeter.

5. Can a blown fuse cause code B3248?

Yes, a blown fuse in the circuit can be a symptom or result of the short to battery voltage and should be checked during diagnosis.

6. Is it safe to drive with code B3248 active?

Yes, it is generally safe to drive, but the trunk release functionality may not work until the issue is resolved.

7. How do I fix code B3248 in my Buick?

Repairs may involve replacing damaged wiring, fixing shorts in the circuit, or replacing a faulty trunk release actuator.

8. Can a faulty BCM cause code B3248?

Yes, a malfunctioning body control module (BCM) can contribute to this code, although it's less common than wiring or actuator issues.

9. How much does it cost to fix code B3248 in a Buick?

Repair costs vary depending on whether wiring repairs, actuator replacement, or BCM programming is needed, typically ranging from $100 to $500.

10. Will clearing the code B3248 solve the problem?

Clearing the code may temporarily remove it, but the underlying issue must be addressed to prevent the code from returning.

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