← View Generic B0726 Guide
Severity: Medium
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Vehicle-Specific Guide
This guide is customized for your 2021 Honda PASSPORT
B0726: B0726: Body Control Module (BCM) Security Malfunction
on 2021 Honda PASSPORT
Fix Cost
$200 - $1000
Parts & Labor
Difficulty
4/5
2-4 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 B0726 Mean on 2021 Honda PASSPORT?
The Body Control Module (BCM) has detected a security malfunction, which can cause issues with door locks, alarm systems, and other body control functions.
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Symptoms
- • Door locks may not function
- • alarm system may not arm/disarm
- • dashboard warning lights may be illuminated.
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Common Causes
- • Faulty BCM
- • faulty wiring harness
- • faulty door lock actuators
- • faulty alarm system components.
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How to Fix B0726 on 2021 Honda PASSPORT
1. Check and clear any trouble codes. 2. Inspect and repair any damaged wiring harnesses. 3. Replace faulty BCM or alarm system components. 4. Test and adjust door lock actuators.
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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 B0726
B0724
Sequential Code
B0724: Seat Position Sensor Malfunction
Medium
B0725
Sequential Code
B0725: Body System Code - Exterior Lighting Malfunction
Medium
B0727
Sequential Code
B0727: Audio System Fault
Medium
B0728
Sequential Code
B0728: Airbag System 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