AutoCodes – Generic – B3619

B3619 Code - Head-Up Display Change Page Switch Circuit

Quick Answer

The Head-Up Display (HUD) monitors the page switch signal circuit in order to perform the switch functions. Common causes include Faulty Head-Up Display Switch, Head-Up Display Switch harness is open or shorted, Head-Up Display Switch 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: B3619 indicates Head-Up Display Change Page Switch Circuit.
Common causes: Common causes include Faulty Head-Up Display Switch, Head-Up Display Switch harness is open or shorted, Head-Up Display Switch 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 406

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 10, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B3619 Description

The Head-Up Display (HUD) monitors the page switch signal circuit in order to perform the switch functions. When the HUD page switch is depressed and the ignition is in the RUN position, the switch signal to the HUD is low. When the HUD detects that the HUD page switch is low for greater than 60 seconds, Diagnostic Trouble Code (DTC) B3619 sets.

OBDII Code B3619 - Head-Up Display Change Page Switch Circuit - AutoCodes.com — B3619 Code - Head-Up Display Change Page Switch Circuit

What does this mean?

What are the Possible Causes of the DTC B3619?

Faulty Head-Up Display Switch
Head-Up Display Switch harness is open or shorted
Head-Up Display Switch circuit poor electrical connection

How to Fix the DTC B3619?

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 B3619 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 B3619 code?

Need more information on how to fix the B3619 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B3619 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

B3619 Buick — Head-Up Display Change Page Switch Circuit
B3619 Cadillac — Head-Up Display Change Page Switch Circuit
B3619 Chevrolet — Head-Up Display Change Page Switch Circuit
B3619 GMC — Head-Up Display Change Page Switch 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 B3619 Code

What does the OBDII code B3619 mean?

The B3619 code indicates a malfunction in the head-up display (HUD) change page switch circuit, which affects the operation of the HUD in the vehicle.

What are the common symptoms of the B3619 code?

Common symptoms include the head-up display not changing pages, improper display functionality, or the HUD not turning on at all.

What could cause the B3619 code to trigger?

Causes may include a faulty change page switch, wiring issues, a malfunctioning head-up display module, or poor electrical connections.

How can I diagnose the B3619 code?

To diagnose the B3619 code, start by checking the change page switch for functionality, inspect the wiring for damage or corrosion, and test the head-up display module for errors.

Can I drive my vehicle with the B3619 code?

While the vehicle may be drivable, the head-up display feature will not function properly, which could affect visibility of important information.

What are some potential repairs for the B3619 code?

Repairs may involve replacing the change page switch, repairing or replacing damaged wiring, or replacing the head-up display module if it is found to be faulty.

Is the B3619 code specific to certain vehicle makes or models?

The B3619 code can appear in various makes and models, but it is particularly common in vehicles equipped with a head-up display feature.

Will clearing the B3619 code reset the system?

Clearing the code may reset the system temporarily, but if the underlying issue is not fixed, the code is likely to return.

How can I prevent the B3619 code from reoccurring?

To prevent recurrence, ensure proper maintenance of the electrical components related to the head-up display and address any signs of wear or damage promptly.