← View Generic B0038 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2021 Honda PASSPORT

B0038: B0038: 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
⚠️

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 B0038 Mean on 2021 Honda PASSPORT?

The B0038 code indicates a malfunction in the vehicle's security system, which can prevent the engine from starting or cause other issues.
⚠️

Symptoms

  • • Engine won't start
  • • security light on dashboard
  • • alarm system malfunction
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Common Causes

  • • Faulty security system module
  • • damaged or corroded wiring
  • • faulty door or trunk sensors
🛠️

How to Fix B0038 on 2021 Honda PASSPORT

1. Check the security system module for any signs of physical damage or corrosion. Replace if necessary. 2. Inspect and clean the wiring and connectors for any signs of corrosion or damage. 3. Check the door and trunk sensors for proper function and replace if necessary. 4. Update the vehicle's software if necessary.

🔧

Need Maintenance Info for Your PASSPORT?

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

View 2021 Honda PASSPORT Specs

Parts for 2021 Honda PASSPORT

Security system module Shop ↗ Wiring harness Shop ↗ Door sensor Shop ↗ Trunk sensor Shop ↗

Essential Tool

Must Have

OBD2 Scanner

Read & clear codes on your 2021 Honda PASSPORT

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🔗

Related Diagnostic Codes

Other codes that may appear with B0038

B0036 Sequential Code

B0036: Seat Position Sensor Malfunction

Medium
B0037 Sequential Code

B0037: Exterior Lighting Malfunction

Medium
B0039 Sequential Code

B0039: Audio System Malfunction

Medium
B0040 Sequential Code

B0040: Airbag System Circuit Malfunction

High

💡 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