AutoCodes – Chevrolet – B3883 2018 Chevrolet Silverado

B3883 2018 Chevrolet Silverado 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 2018 Chevrolet Silverado 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 704
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jun 14, 2023
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Code B3883 2018 Chevrolet Silverado 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 2018 Chevrolet Silverado - License Plate Lamp Circuit - AutoCodes.com
B3883 2018 Chevrolet Silverado Code - License Plate Lamp Circuit

What are the Possible Causes of the DTC B3883 2018 Chevrolet Silverado?

  • 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 2018 Chevrolet Silverado?

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.

Code Tech Notes

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B3883 2018 Chevrolet Silverado 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 2018 Chevrolet Silverado code?

Need more information on how to fix the B3883 2018 Chevrolet Silverado code? Get Access to Factory Service Manuals

Need Help with the Code?

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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 2018 Chevrolet Silverado Code

1. What does the OBDII code B3883 mean on a 2018 Chevrolet Silverado?

B3883 indicates a problem in the license plate lamp circuit, such as an open or short circuit, which prevents proper operation of the license plate lights.

2. What are common symptoms of the B3883 code on a 2018 Chevrolet Silverado?

Symptoms include non-functional license plate lights, a warning light on the dashboard, or a stored trouble code in the vehicle's system.

3. What causes the B3883 code to appear on a 2018 Chevrolet Silverado?

Common causes include a blown fuse, faulty license plate light bulbs, damaged wiring or connectors, or a malfunctioning body control module (BCM).

4. Can I drive my 2018 Chevrolet Silverado with the B3883 code?

Yes, but it's not recommended for long-term use, as non-functional license plate lights may result in reduced visibility and potential legal issues.

5. How do I diagnose the B3883 code on a 2018 Chevrolet Silverado?

Start by inspecting the license plate light bulbs, checking for blown fuses, and examining the wiring and connectors for damage or corrosion.

6. How do I fix the B3883 code on my 2018 Chevrolet Silverado?

Repairs may include replacing burnt-out bulbs, repairing or replacing damaged wiring, ensuring proper connections, or replacing a faulty fuse or BCM.

7. How much does it cost to repair the B3883 code on a 2018 Chevrolet Silverado?

Costs vary depending on the issue but typically range from $10 for a bulb replacement to $200 or more for BCM-related repairs.

8. Can a blown fuse cause the B3883 code on a 2018 Chevrolet Silverado?

Yes, a blown fuse in the license plate lamp circuit can trigger the B3883 code and cause the lights to stop working.

9. Will resetting the code fix the B3883 issue on a 2018 Chevrolet Silverado?

Resetting the code will clear it temporarily, but the issue will return unless the underlying problem is fixed.

10. Do I need special tools to fix the B3883 code on a 2018 Chevrolet Silverado?

Basic tools like a multimeter and a scan tool can help diagnose the issue. Repairs like replacing bulbs or fuses usually require minimal tools.

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