← View Generic B2142 Guide
Severity: Medium
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Vehicle-Specific Guide
This guide is customized for your 2021 Honda PASSPORT
B2142: B2142: 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 B2142 Mean on 2021 Honda PASSPORT?
The body control module (BCM) has detected a security malfunction, possibly due to a faulty sensor, wiring issue, or software problem.
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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 BCM sensor
- • wiring issue
- • software glitch
- • or faulty immobilizer module
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How to Fix B2142 on 2021 Honda PASSPORT
1. Check BCM sensor connections and wiring for damage or corrosion. 2. Update BCM software if necessary. 3. Replace faulty BCM sensor or immobilizer module 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 B2142
B2140
Sequential Code
B2140: Seat Position Sensor Circuit Malfunction
Medium
B2141
Sequential Code
B2141: Turn Signal Lamp Malfunction
Medium
B2143
Sequential Code
B2143: Audio System Malfunction
Medium
B2144
Sequential Code
B2144: 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