← View Generic B3470 Guide
Severity: Medium
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Vehicle-Specific Guide
This guide is customized for your 2021 Honda PASSPORT
B3470: B3470: 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 B3470 Mean on 2021 Honda PASSPORT?
The B3470 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
- • or security light illuminated on dashboard
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Common Causes
- • Faulty security module
- • wiring issues
- • or incorrect security system configuration
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How to Fix B3470 on 2021 Honda PASSPORT
1. Check security module for faults and replace if necessary. 2. Inspect wiring for damage or corrosion and repair as needed. 3. Verify security system configuration and adjust if necessary.
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Need Maintenance Info for Your PASSPORT?
Get oil capacity, filter specs, and torque settings for your specific 2021 Honda PASSPORT.
View 2021 Honda PASSPORT SpecsParts for 2021 Honda PASSPORT
Essential Tool
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Related Diagnostic Codes
Other codes that may appear with B3470
B3468
Sequential Code
B3468: Seat Position Sensor Circuit Malfunction
Medium
B3469
Sequential Code
B3469: Exterior Lighting Malfunction
Medium
B3471
Sequential Code
B3471: Audio System Fault
Medium
B3472
Sequential Code
B3472: Airbag System Fault
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