← View Generic B1146 Guide Severity: Medium

🚗 Vehicle-Specific Guide

This guide is customized for your 2021 Honda PASSPORT

B1146: B1146: Door Locks Malfunction

on 2021 Honda PASSPORT

Fix Cost

$100 - $300

Parts & Labor

Difficulty

3/5

1-2 hours

DIY Possible?

❌ No

Pro recommended

Your Vehicle

2021 Honda

PASSPORT

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Important for 2021 Honda PASSPORT Owners

Before starting repairs, verify which engine your 2021 Honda PASSPORT has. Check your VIN or engine code to ensure you order the correct parts.

📖 What Does B1146 Mean on 2021 Honda PASSPORT?

This code indicates a problem with the door lock system, such as faulty actuators, wiring, or a malfunctioning body control module.

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Symptoms

• Door locks not functioning
• intermittent locking/unlocking
• or unusual noises when locking/unlocking

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Common Causes

• Faulty door lock actuator
• wiring issues
• body control module malfunction
• or a faulty door lock switch

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How to Fix B1146 on 2021 Honda PASSPORT

1. Check door lock actuator for proper function and replace if faulty. 2. Inspect wiring for damage or corrosion and repair as needed. 3. Update body control module software if necessary. 4. Test door lock switch for proper function and replace if faulty.

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Need Maintenance Info for Your PASSPORT?

Get oil capacity, filter specs, and torque settings for your specific 2021 Honda PASSPORT.

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Parts for 2021 Honda PASSPORT

Door lock actuator Shop ↗ Wiring harness Shop ↗ Body control module Shop ↗ Door lock switch Shop ↗

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Related Diagnostic Codes

Other codes that may appear with B1146

B1144 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