← View Generic B3426 Guide Severity: Medium

🚗 Vehicle-Specific Guide

This guide is customized for your 2019 Ford F150 PICKUP

B3426: B3426: Door Locks Actuator Malfunction

on 2019 Ford F150 PICKUP

Fix Cost

$100 - $300

Parts & Labor

Difficulty

3/5

1-2 hours

DIY Possible?

✅ Yes

Save money

Your Vehicle

2019 Ford

F150 PICKUP

⚠️

Important for 2019 Ford F150 PICKUP Owners

Before starting repairs, verify which engine your 2019 Ford F150 PICKUP has. Check your VIN or engine code to ensure you order the correct parts.

📖 What Does B3426 Mean on 2019 Ford F150 PICKUP?

The B3426 code indicates a malfunction in the door lock actuator, which prevents the doors from locking or unlocking properly.

⚠️

Symptoms

• Doors won't lock or unlock
• may be stuck in a locked or unlocked position
• or may not respond to the door lock switch.

🔍

Common Causes

• Faulty door lock actuator
• wiring issue
• or a problem with the door lock switch.

🛠️

How to Fix B3426 on 2019 Ford F150 PICKUP

1. Disconnect the battery to reset the system. 2. Check and clean the door lock actuator and wiring. 3. Replace the door lock actuator if faulty. 4. Check and replace the door lock switch if necessary.

🔧

Need Maintenance Info for Your F150 PICKUP?

Get oil capacity, filter specs, and torque settings for your specific 2019 Ford F150 PICKUP.

View 2019 Ford F150 PICKUP Specs

Parts for 2019 Ford F150 PICKUP

Door lock actuator Shop ↗ Wiring harness Shop ↗

Essential Tool

Must Have

OBD2 Scanner

Read & clear codes on your 2019 Ford F150 PICKUP

Shop Scanners ↗

🔗

Related Diagnostic Codes

Other codes that may appear with B3426

B3424 Sequential Code

💡 Why These Codes Are Related:

• Similar Issues: Same root cause or component failure
• Related Problems: Often occur together due to system interactions
• Sequential Codes: Progressive failure stages or multiple sensors
• Same System: Components within the same automotive system