← View Generic B1622 Guide
Severity: Medium
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Vehicle-Specific Guide
This guide is customized for your 2021 Honda PASSPORT
B1622: B1622: Immobilizer System Malfunction
on 2021 Honda PASSPORT
Fix Cost
$50 - $200
Parts & Labor
Difficulty
3/5
1-2 hours
DIY Possible?
✅ Yes
Save money
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 B1622 Mean on 2021 Honda PASSPORT?
The immobilizer system has detected a malfunction, preventing the engine from starting. This code is often caused by a faulty immobilizer key fob, antenna, or receiver.
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Symptoms
- • Engine won't start
- • immobilizer light on dashboard
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Common Causes
- • Faulty immobilizer key fob
- • antenna
- • or receiver
- • low battery in key fob
- • incorrect key fob programming
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How to Fix B1622 on 2021 Honda PASSPORT
1. Check key fob battery level and replace if necessary. 2. Try reprogramming the key fob. 3. Replace the immobilizer antenna or receiver 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 B1622
B1620
Sequential Code
B1620: Seat Position Sensor Circuit Malfunction
Medium
B1621
Sequential Code
B1621: Body Control Module (BCM) - Low Beam Headlight Relay Circuit Malfunction
Medium
B1623
Sequential Code
B1623: Audio System Fault
Medium
B1624
Sequential Code
B1624: 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