← View Generic B3510 Guide
Severity: Medium
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Vehicle-Specific Guide
This guide is customized for your 2021 Honda PASSPORT
B3510: B3510: 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 B3510 Mean on 2021 Honda PASSPORT?
The B3510 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 B3510 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 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 B3510
B3508
Sequential Code
B3508: Seat Position Sensor Circuit Malfunction
Medium
B3509
Sequential Code
B3509: Exterior Lighting Malfunction
Medium
B3511
Sequential Code
B3511: Audio System Malfunction
Medium
B3512
Sequential Code
B3512: 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