← View Generic B1624 Guide
Severity: High
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Vehicle-Specific Guide
This guide is customized for your 2021 Honda PASSPORT
B1624: B1624: Airbag System Circuit Malfunction
on 2021 Honda PASSPORT
Fix Cost
$200 - $800
Parts & Labor
Difficulty
4/5
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 B1624 Mean on 2021 Honda PASSPORT?
The airbag system circuit has malfunctioned, preventing the airbags from deploying properly in the event of a crash.
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Symptoms
- • Airbag warning light on dashboard
- • airbag system not functioning
- • crash sensor not triggering
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Common Causes
- • Faulty crash sensor
- • wiring issue
- • airbag module failure
- • faulty seatbelt sensor
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How to Fix B1624 on 2021 Honda PASSPORT
1. Disconnect battery to reset system, 2. Check wiring and connectors for damage, 3. Replace faulty crash sensor or airbag module, 4. Clear code and test 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.
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Essential Tool
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Related Diagnostic Codes
Other codes that may appear with B1624
B1622
Sequential Code
B1622: Immobilizer System Malfunction
Medium
B1623
Sequential Code
B1623: Audio System Fault
Medium
B1625
Sequential Code
B1625: Climate Control Temperature Sensor Malfunction
Medium
B1626
Sequential Code
B1626: Door Locks Actuator Circuit Malfunction
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