← View Generic B1718 Guide
Severity: Medium
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Vehicle-Specific Guide
This guide is customized for your 2021 Honda PASSPORT
B1718: B1718: 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 B1718 Mean on 2021 Honda PASSPORT?
The B1718 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
- • Door locks not functioning
- • alarm system not triggering
- • or security lights flashing
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Common Causes
- • Faulty security module
- • wiring issue
- • or malfunctioning door lock actuator
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How to Fix B1718 on 2021 Honda PASSPORT
1. Disconnect the battery to reset the security system. 2. Check and repair any wiring issues. 3. Replace the faulty security module or door lock actuator.
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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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Essential Tool
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Related Diagnostic Codes
Other codes that may appear with B1718
B1716
Sequential Code
B1716: Seat Switch Circuit Malfunction
Medium
B1717
Sequential Code
B1717: Malfunction Indicator Lamp (MIL) Circuit Malfunction
Medium
B1719
Sequential Code
B1719: Audio System Malfunction
Medium
B1720
Sequential Code
B1720: 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