← View Generic B3790 Guide Severity: Medium

🚗 Vehicle-Specific Guide

This guide is customized for your 2021 Honda PASSPORT

B3790: B3790: Body System Security Malfunction

on 2021 Honda PASSPORT

Fix Cost

$100 - $500

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 B3790 Mean on 2021 Honda PASSPORT?

The B3790 code indicates a malfunction in the vehicle's security system, which may cause issues with door locks, alarm systems, or other security-related functions.

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Symptoms

• Difficulty locking/unlocking doors
• alarm system malfunction
• security light on dashboard

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Common Causes

• Faulty security module
• wiring issues
• faulty door lock actuators
• incorrect security system settings

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How to Fix B3790 on 2021 Honda PASSPORT

1. Check security system settings and reset if necessary. 2. Inspect wiring and connectors for damage or corrosion. 3. Replace faulty security module or door lock actuators. 4. Update vehicle's software if necessary.

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Need Maintenance Info for Your PASSPORT?

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Parts for 2021 Honda PASSPORT

security module Shop ↗ door lock actuators Shop ↗ wiring harness Shop ↗

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Related Diagnostic Codes

Other codes that may appear with B3790

B3788 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