← View Generic B1110 Guide
Severity: Medium
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Vehicle-Specific Guide
This guide is customized for your 2021 Honda PASSPORT
B1110: B1110: Body Control Module (BCM) Security System 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 B1110 Mean on 2021 Honda PASSPORT?
The Body Control Module (BCM) has detected a security system malfunction, likely due to a faulty sensor or wiring issue.
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Symptoms
- • Immobilizer light on dashboard
- • vehicle will not start
- • or start but stall immediately
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Common Causes
- • Faulty security sensor
- • wiring issue
- • or BCM malfunction
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How to Fix B1110 on 2021 Honda PASSPORT
1. Check and clear any trouble codes. 2. Inspect and repair or replace faulty sensors or wiring. 3. Update BCM software if necessary. 4. Test and reset the security system.
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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 B1110
B1108
Sequential Code
B1108: Seat Position Sensor Circuit Malfunction
Medium
B1109
Sequential Code
B1109: Malfunction of Exterior Lighting
Medium
B1111
Sequential Code
B1111: Audio System Malfunction
Medium
B1112
Sequential Code
B1112: Airbag System Fault
Medium
💡 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