← View Generic B0286 Guide
Severity: High
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Vehicle-Specific Guide
This guide is customized for your 2021 Honda PASSPORT
B0286: B0286: Immobilizer System Malfunction
on 2021 Honda PASSPORT
Fix Cost
$200 - $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 B0286 Mean on 2021 Honda PASSPORT?
The immobilizer system has malfunctioned, preventing the engine from starting. This code is usually caused by a faulty immobilizer module, key fob, or battery.
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Symptoms
- • Engine won't start
- • dashboard warning lights may be illuminated
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Common Causes
- • Faulty immobilizer module
- • key fob
- • or battery
- • incorrect key fob programming
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How to Fix B0286 on 2021 Honda PASSPORT
1. Check the key fob battery level and replace if necessary. 2. Try to start the engine with the spare key fob if available. 3. If the issue persists, replace the immobilizer module.
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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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Related Diagnostic Codes
Other codes that may appear with B0286
B0284
Sequential Code
B0284: Seat Adjuster System Fault
Medium
B0285
Sequential Code
B0285: Turn Signal Lamp Malfunction
Medium
B0287
Sequential Code
B0287: Audio System Fault
Medium
B0288
Sequential Code
B0288: 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