← View Generic B1366 Guide
Severity: High
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Vehicle-Specific Guide
This guide is customized for your 2021 Honda PASSPORT
B1366: B1366: Immobilizer 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 B1366 Mean on 2021 Honda PASSPORT?
The immobilizer system has detected a malfunction, preventing the vehicle from starting. This code is typically set when the immobilizer system is not functioning correctly, preventing the vehicle from starting.
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Symptoms
- • Vehicle will not start
- • immobilizer light on dashboard
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Common Causes
- • Faulty immobilizer module
- • faulty key fob
- • low battery in key fob
- • incorrect key fob programming
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How to Fix B1366 on 2021 Honda PASSPORT
1. Check key fob battery level and replace if necessary. 2. Check key fob programming and reprogram if necessary. 3. Replace immobilizer module if faulty.
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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 B1366
B1364
Sequential Code
B1364: Seat Switch Circuit Malfunction
Medium
B1365
Sequential Code
B1365: Body System Code - Lighting Malfunction
Medium
B1367
Sequential Code
B1367: Audio System Malfunction
Medium
B1368
Sequential Code
B1368: Airbag System Circuit 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