AutoCodes – GMC – B3883 2015 GMC Sierra

B3883 2015 GMC Sierra Code - License Plate Lamp Circuit

Quick Answer

When the headlamp switch is placed in the HEAD or PARK position, the ground is applied to the park lamp switch ON signal circuit to the Body Control Module (BCM). Common causes include Faulty License Plate Lamp, License Plate Lamp harness is open or shorted, License Plate Lamp circuit poor electrical connection. Severity is Low - monitor the vehicle and repair when practical. The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.

What it means: B3883 2015 GMC Sierra indicates License Plate Lamp Circuit.
Common causes: Common causes include Faulty License Plate Lamp, License Plate Lamp harness is open or shorted, License Plate Lamp circuit poor electrical connection.
Severity: Low - monitor the vehicle and repair when practical.
Can I drive?: The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.

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Code Popularity 456

How popular is this code, among other codes? Low

Repair Importance Level

Low (Monitor) (1 / 3)

Repair Difficulty Level

Basic DIY (1 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jun 14, 2023

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code B3883 2015 GMC Sierra Description

When the headlamp switch is placed in the HEAD or PARK position, the ground is applied to the park lamp switch ON signal circuit to the Body Control Module (BCM). The BCM responds by applying a voltage to the park lamps, tail lamps, and license lamps control circuits illuminating the park, tail, and license lamps. The Diagnostic Trouble Code (DTC) sets when the BCM detects a short to ground, short to voltage, or an open/high resistance in the license lamps control circuit.

OBDII Code B3883 2015 GMC Sierra - License Plate Lamp Circuit - AutoCodes.com — B3883 2015 GMC Sierra Code - License Plate Lamp Circuit

What does this mean?

What are the Possible Causes of the DTC B3883 2015 GMC Sierra?

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

How to Fix the DTC B3883 2015 GMC Sierra?

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 does this mean?

Code Tech Notes

B3883:01 License Plate Lamp Circuit Short to Battery
B3883:02 License Plate Lamp Circuit Short to Ground
B3883:04 License Plate Lamp Circuit Open

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B3883 2015 GMC Sierra 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 B3883 2015 GMC Sierra Code

1. What does the OBDII code B3883 mean on a 2015 GMC Sierra?

B3883 indicates an issue with the license plate lamp circuit, such as an open, short, or malfunction preventing proper operation.

2. What are common symptoms of the B3883 code in a 2015 GMC Sierra?

Common symptoms include the license plate lamps not illuminating, a dashboard warning light, or a failed vehicle inspection due to faulty lighting.

3. What causes the B3883 code to appear?

The code can be triggered by a blown fuse, damaged wiring, a faulty license plate lamp bulb, corroded connectors, or a malfunctioning Body Control Module (BCM).

4. How do I troubleshoot the B3883 code?

Start by inspecting the license plate lamp bulbs, fuses, and wiring for damage or corrosion. Use a multimeter to test circuit continuity and verify voltage at the lamp sockets.

5. Can I drive with the B3883 code active?

Yes, but it is not recommended, as the license plate lamps are required for visibility and legal compliance during nighttime driving.

6. How do I fix the B3883 code on my 2015 GMC Sierra?

Replace any burnt-out bulbs, repair damaged wiring, clean corroded connections, and check or replace the associated fuse. If the issue persists, the BCM may require further diagnosis.

7. Could a blown fuse cause the B3883 code?

Yes, a blown fuse can interrupt power to the license plate lamps, triggering the B3883 code.

8. What tools are needed to diagnose the B3883 code?

Youâ€™ll need a multimeter, a diagnostic scan tool, basic hand tools, and possibly electrical cleaner for corroded connections.

9. How much does it cost to fix the B3883 code?

Repair costs vary but generally range from $10 to $50 for simple fixes like bulb or fuse replacement. More complex issues involving wiring or the BCM may cost several hundred dollars.

10. Can the B3883 code reset itself after repairs?

If the issue is resolved, the code may clear automatically after a few drive cycles. Alternatively, you can use an OBDII scan tool to manually clear the code.