← View Generic B0370 Guide
Severity: Medium
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Vehicle-Specific Guide
This guide is customized for your 2021 Honda PASSPORT
B0370: B0370: Door Locks Malfunction
on 2021 Honda PASSPORT
Fix Cost
$100 - $300
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 B0370 Mean on 2021 Honda PASSPORT?
The B0370 code indicates a malfunction in the door lock system, causing issues with locking or unlocking the doors.
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Symptoms
- • Door locks do not function properly
- • may be stuck or jammed
- • or may not respond to key fob or door switch commands.
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Common Causes
- • Faulty door lock actuator
- • wiring issue
- • or door lock module failure.
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How to Fix B0370 on 2021 Honda PASSPORT
1. Check door lock actuator for proper operation and replace if faulty. 2. Inspect wiring and connectors for damage or corrosion and repair as needed. 3. Replace door lock 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
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Related Diagnostic Codes
Other codes that may appear with B0370
B0368
Sequential Code
B0368: Airbag System Fault
High
B0369
Sequential Code
B0369: Climate Control Blower Motor Resistor Fault
Medium
B0371
Sequential Code
B0371: Power Window Regulator Malfunction
Medium
B0372
Sequential Code
B0372: Seat Position Sensor 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