← View Generic B3594 Guide
Severity: Medium
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Vehicle-Specific Guide
This guide is customized for your 2021 Honda PASSPORT
B3594: B3594: Door Locks Actuator 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 B3594 Mean on 2021 Honda PASSPORT?
The B3594 code indicates a malfunction in the door lock actuator, which may cause the doors to malfunction or not lock/unlock properly.
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Symptoms
- • Doors won't lock/unlock
- • door locks stuck
- • door ajar warning light on
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Common Causes
- • Faulty door lock actuator
- • wiring issue
- • door lock module failure
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How to Fix B3594 on 2021 Honda PASSPORT
1. Disconnect battery to reset system. 2. Check wiring and connectors for damage or corrosion. 3. Replace faulty door lock actuator or door lock module if necessary.
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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 B3594
B3592
Sequential Code
B3592: Airbag System Fault
High
B3593
Sequential Code
B3593: Climate Control Fan Motor Malfunction
Medium
B3595
Sequential Code
B3595: Power Window Relay Circuit Malfunction
Medium
B3596
Sequential Code
B3596: Seat Switch 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