AutoCodes – GMC – B3824 GMC

B3824 GMC Code - Right Rear Window Relay Power Circuit

Quick Answer

Battery positive voltage is supplied to the right rear power window switch and the up and down relays through the window lockout signal circuit. Common causes include Faulty Body Control Module (BCM), Body Control Module (BCM) harness is open or shorted, Body Control Module (BCM) 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: B3824 GMC indicates Right Rear Window Relay Power Circuit.
Common causes: Common causes include Faulty Body Control Module (BCM), Body Control Module (BCM) harness is open or shorted, Body Control Module (BCM) 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 422

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 17, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B3824 GMC Description

Battery positive voltage is supplied to the right rear power window switch and the up and down relays through the window lockout signal circuit. If the window lockout function is disabled, the Body Control Module (BCM) supplies battery positive voltage to the switch and relays and the right window operates normally. If the window lockout function is enabled, the BCM will not supply battery positive voltage to the switch and relays and the right rear window will be inoperative unless it is operated from the driver power window switch.

OBDII Code B3824 GMC - Right Rear Window Relay Power Circuit - AutoCodes.com — B3824 GMC Code - Right Rear Window Relay Power Circuit

What does this mean?

What are the Possible Causes of the DTC B3824 GMC?

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

How to Fix the DTC B3824 GMC?

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 B3824 GMC 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 B3824 GMC Code

1. What are the common symptoms of OBDII code B3824 GMC (Right Rear Window Relay Power Circuit)?

The common symptoms include the right rear window not functioning, being stuck in one position, or operating intermittently.

2. What are the possible causes of OBDII code B3824 GMC?

Possible causes of this code include a faulty right rear window relay, damaged wiring or connectors in the power circuit, or a malfunctioning power window switch.

3. How can I diagnose the issue related to OBDII code B3824 GMC?

You can diagnose the issue by checking the right rear window relay, testing the power circuit for continuity, inspecting the wiring and connectors for damage, and ensuring the power window switch is working correctly.

4. Can I repair OBDII code B3824 GMC on my own?

Depending on your automotive repair skills, you may be able to repair this code on your own by replacing the faulty right rear window relay, repairing damaged wiring or connectors, or troubleshooting the power window switch.

5. Is it safe to continue driving with OBDII code B3824 GMC present?

It is not recommended to continue driving with this code present, as it may lead to further issues with the right rear window operation and compromise the vehicle's safety and security.

6. How much does it typically cost to repair OBDII code B3824 GMC?

The cost of repairing this code can vary depending on the specific cause of the issue, but it may range from a few dollars for a simple fix like replacing a relay to a few hundred dollars for more complex repairs involving wiring or switch replacement.

7. Can OBDII code B3824 GMC affect other electrical components in the vehicle?

While this code specifically relates to the right rear window relay power circuit, electrical issues in one part of the vehicle can sometimes impact other components, so it's important to address the problem promptly to prevent potential complications.

8. Are there any preventive measures to avoid OBDII code B3824 GMC in the future?

To prevent this code from recurring, you can perform regular maintenance checks on your vehicle's electrical system, avoid overloading the power windows, and address any issues with window operation promptly.

9. Will resetting the OBDII system clear the B3824 GMC code?

Resetting the OBDII system may temporarily clear the code, but if the underlying issue causing the B3824 code remains unresolved, it is likely to reappear once the system detects the problem again.

10. How urgent is it to address OBDII code B3824 GMC once it appears?

It is recommended to address OBDII code B3824 GMC promptly to ensure the proper function of the right rear window and prevent any potential safety hazards or further damage to the vehicle's electrical system.