AutoCodes – Buick – B3467 Buick

B3467 Buick Code - Left Front Window Express Up or Down Circuit Low

Quick Answer

The window switch or window switch circuits that generate this Diagnostic Trouble Code (DTC) are built-in parts of the Driver Door Switch Assembly (DDSA). Common causes include Faulty Driver Door Switch Assembly (DDSA), Driver Door Switch Assembly (DDSA) harness is open or shorted, Driver Door Switch Assembly (DDSA) 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: B3467 Buick indicates Left Front Window Express Up or Down Circuit Low.
Common causes: Common causes include Faulty Driver Door Switch Assembly (DDSA), Driver Door Switch Assembly (DDSA) harness is open or shorted, Driver Door Switch Assembly (DDSA) 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 468

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 06, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B3467 Buick Description

The window switch or window switch circuits that generate this Diagnostic Trouble Code (DTC) are built-in parts of the Driver Door Switch Assembly (DDSA). There are no external circuits. The DDSA internally supplies power and ground to the contacts of each of the integral window switches. When one of the switches is operated, the switch contacts close, providing the DDSA with a specific window switch signal. The DDSA processes this signal, assigns a digital message to it, and sends the message to the appropriate Driver Door Module (DDM), Passenger Front Door Module (PDM), Left Rear Door Module (LRDM), or Right Rear Door Module (RRDM), via the class 2 serial data circuit. The door module, upon receiving the message, examines other relevant information available on the class 2 serial data line in order to determine if conditions are correct for window operation to occur. If conditions are correct, the door module applies power and ground to the associated window motor and circuits in order to move the window. If the DDSA determines that one of its built in window switches is closed for more than 15 continuous seconds, it sets the DTC.

OBDII Code B3467 Buick - Left Front Window Express Up or Down Circuit Low - AutoCodes.com — B3467 Buick Code - Left Front Window Express Up or Down Circuit Low

What does this mean?

What are the Possible Causes of the DTC B3467 Buick?

Faulty Driver Door Switch Assembly (DDSA)
Driver Door Switch Assembly (DDSA) harness is open or shorted
Driver Door Switch Assembly (DDSA) circuit poor electrical connection
Faulty Driver Door Module (DDM)

How to Fix the DTC B3467 Buick?

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 B3467 Buick 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 B3467 Buick Code

1. What does OBDII code B3467 mean on a Buick?

Code B3467 indicates a problem with the "Left Front Window Express Up or Down Circuit Low," meaning the circuit voltage is lower than required for proper operation.

2. What are the common symptoms of code B3467?

Symptoms include the left front window not responding to express up or down commands, slow window operation, or the window being stuck in one position.

3. What causes the B3467 code to appear?

The code can be triggered by a faulty window motor, damaged wiring or connectors, a malfunctioning window switch, or a failing control module.

4. Can a blown fuse cause code B3467?

Yes, a blown fuse in the power window circuit can cause low voltage and trigger this code.

5. How do I diagnose the B3467 code?

Start by inspecting the wiring and connectors for damage, test the window switch for proper operation, and check the voltage at the window motor.

6. Can I still operate the window if code B3467 is present?

In most cases, the window may not function properly or at all until the issue is resolved.

7. How can I fix the B3467 code on my Buick?

Repairs may include replacing the window motor, repairing damaged wiring, replacing a faulty switch, or reprogramming the control module if necessary.

8. Is the B3467 code a serious issue?

While it may not affect vehicle drivability, it can be inconvenient and should be addressed to restore proper window function.

9. Can extreme weather cause the B3467 code?

Yes, extreme cold or moisture entering the window mechanism can temporarily cause electrical issues leading to this code.

10. Do I need a professional to fix the B3467 code?

While some repairs, like replacing a switch or fuse, can be done by a DIYer, complex electrical diagnostics may require a professional technician.

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