← View Generic B1326 Guide
Severity: Medium
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Vehicle-Specific Guide
This guide is customized for your 2021 Honda PASSPORT
B1326: B1326: 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 B1326 Mean on 2021 Honda PASSPORT?
The body control module (BCM) has detected a security malfunction, likely due to a faulty or malfunctioning security system component.
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Symptoms
- • Alarm system malfunction
- • doors or trunk won't unlock
- • or immobilizer system failure
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Common Causes
- • Faulty or malfunctioning security system component
- • wiring issue
- • or BCM failure
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How to Fix B1326 on 2021 Honda PASSPORT
1. Check and clear any trouble codes. 2. Inspect and repair or replace faulty security system components. 3. Check and repair any wiring issues. 4. Update or replace the BCM 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 B1326
B1324
Sequential Code
B1324: Seat Switch Circuit Malfunction
Medium
B1325
Sequential Code
B1325: Exterior Lighting Malfunction
Medium
B1327
Sequential Code
B1327: Audio System Fault
Medium
B1328
Sequential Code
B1328: 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