← View Generic B1720 Guide
Severity: High
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Vehicle-Specific Guide
This guide is customized for your 2021 Honda PASSPORT
B1720: B1720: Airbag System Fault
on 2021 Honda PASSPORT
Fix Cost
$200 - $800
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 B1720 Mean on 2021 Honda PASSPORT?
The airbag system has detected a fault, which may be related to a malfunctioning sensor, wiring issue, or faulty airbag module.
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Symptoms
- • Airbag warning light on dashboard
- • airbag system malfunction
- • possible airbag deployment
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Common Causes
- • Faulty airbag sensor
- • wiring issue
- • faulty airbag module
- • software glitch
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How to Fix B1720 on 2021 Honda PASSPORT
1. Check airbag sensor connections and wiring for damage or corrosion. 2. Update airbag system software. 3. Replace faulty airbag sensor or 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.
View 2021 Honda PASSPORT SpecsParts for 2021 Honda PASSPORT
Essential Tool
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Related Diagnostic Codes
Other codes that may appear with B1720
B1718
Sequential Code
B1718: Body System Security Malfunction
Medium
B1719
Sequential Code
B1719: Audio System Malfunction
Medium
B1721
Sequential Code
B1721: Climate Control Actuator Malfunction
Medium
B1722
Sequential Code
B1722: 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