AutoCodes – GMC – B3883 GMC

B3883 GMC 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 GMC 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 4,114

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

What does this mean?

What are the Possible Causes of the DTC B3883 GMC?

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 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 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 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.

Need more information about the B3883 GMC code?

Need more information on how to fix the B3883 GMC code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B3883 GMC code diagnosed by a professional: Find a repair shop in your area

Information for Specific GMC Models

B3883 2014 GMC Sierra — License Plate Lamp Circuit
B3883 2015 GMC Sierra — License Plate Lamp Circuit
B3883 2016 GMC Sierra — License Plate Lamp Circuit
B3883 2017 GMC Sierra — License Plate Lamp Circuit
B3883 2018 GMC Sierra — License Plate Lamp Circuit

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 GMC Code

1. What are the common symptoms of OBDII code B3883 GMC (License Plate Lamp Circuit)?

- The common symptoms of this code include the license plate lamp not lighting up, dim or flickering license plate lamp, or a warning light on the dashboard.

2. What are the possible causes of OBDII code B3883 GMC related to the License Plate Lamp Circuit?

- Possible causes include a faulty license plate lamp bulb, damaged wiring or connectors in the lamp circuit, a blown fuse, or a malfunctioning lamp control module.

3. How can I diagnose the issue causing OBDII code B3883 GMC for the License Plate Lamp Circuit?

- You can start by visually inspecting the license plate lamp for any visible damage or defects. Check the wiring and connectors for any signs of wear or corrosion. Use a multimeter to test the continuity of the circuit and check the fuse related to the license plate lamp.

4. Can I repair OBDII code B3883 GMC (License Plate Lamp Circuit) on my own?

- Depending on your skills and experience with automotive electrical systems, you may be able to repair this issue on your own by replacing the faulty lamp bulb, repairing damaged wiring or connectors, or replacing a blown fuse. If you are not confident in your abilities, it's best to consult a professional mechanic.

5. Is it safe to continue driving with OBDII code B3883 GMC triggered for the License Plate Lamp Circuit?

- While the issue may not affect the overall drivability of the vehicle, it is important to address the problem promptly as having a non-functional license plate lamp can lead to potential safety concerns and legal issues. It is recommended to resolve the issue as soon as possible.

6. How much does it typically cost to repair OBDII code B3883 GMC related to the License Plate Lamp Circuit?

- The cost of repairing this code can vary depending on the underlying cause of the issue. Replacing a license plate lamp bulb can cost around $10-$20, while repairing wiring or connectors may range from $50-$200. It's best to get a diagnostic from a mechanic to get an accurate estimate.

7. Will resetting the OBDII code B3883 GMC clear the issue with the License Plate Lamp Circuit?

- Resetting the code may temporarily turn off the warning light, but it will not fix the root cause of the problem. It's important to diagnose and repair the issue causing the code to prevent it from reoccurring.

8. Can extreme weather conditions impact the License Plate Lamp Circuit and trigger OBDII code B3883 GMC?

- Yes, extreme weather conditions such as heavy rain, snow, or extreme temperatures can potentially damage the license plate lamp circuit components, leading to the triggering of this OBDII code. It's important to regularly inspect and maintain these components to prevent weather-related issues.

9. What are some preventive maintenance tips to avoid encountering OBDII code B3883 GMC for the License Plate Lamp Circuit?

- Regularly inspect and clean the license plate lamp, check for any signs of wear or damage in the wiring and connectors, and replace the lamp bulbs at recommended intervals. Keeping up with these maintenance tasks can help prevent issues with the License Plate Lamp Circuit.

10. Can OBDII code B3883 GMC affect other electrical components in the vehicle?

- While this code specifically relates to the License Plate Lamp Circuit, electrical issues within the vehicle can sometimes be interconnected. It's possible that a fault in the license plate lamp circuit could affect other electrical systems, so it's important to address the issue promptly.