← View Generic B1408 Guide
Severity: High
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Vehicle-Specific Guide
This guide is customized for your 2021 Honda PASSPORT
B1408: B1408: Airbag System Fault
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 B1408 Mean on 2021 Honda PASSPORT?
The airbag system has detected a fault, which may be due to a malfunctioning sensor, wiring issue, or faulty airbag module.
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Symptoms
- • Airbag warning light on
- • airbag system not deploying
- • or unusual noises from the airbag module.
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Common Causes
- • Faulty airbag sensor
- • wiring issue
- • faulty airbag module
- • or incorrect calibration.
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How to Fix B1408 on 2021 Honda PASSPORT
1. Check airbag sensor connections and wiring for damage or corrosion. 2. Replace faulty airbag sensor or module. 3. Check and reset airbag system calibration.
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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 B1408
B1406
Sequential Code
B1406: Immobilizer System Malfunction
Medium
B1407
Sequential Code
B1407: Audio System Malfunction
Medium
B1409
Sequential Code
B1409: Climate Control Fan Motor Malfunction
Medium
B1410
Sequential Code
B1410: 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