← View Generic B3875 Guide
Severity: Medium
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Vehicle-Specific Guide
This guide is customized for your 2021 Honda PASSPORT
B3875: B3875: Power Window Regulator Malfunction
on 2021 Honda PASSPORT
Fix Cost
$150 - $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 B3875 Mean on 2021 Honda PASSPORT?
The power window regulator is malfunctioning, preventing the window from moving properly. This code is usually accompanied by a warning light on the dashboard.
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Symptoms
- • Window won't move
- • stuck in open or closed position
- • or moves erratically
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Common Causes
- • Faulty power window regulator
- • faulty window motor
- • wiring issue
- • or faulty window switch
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How to Fix B3875 on 2021 Honda PASSPORT
1. Disconnect battery to reset system. 2. Check and clean window switch. 3. Check and replace faulty window motor or regulator. 4. Check and repair wiring issue.
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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 B3875
B3873
Sequential Code
B3873: Climate Control Fan Motor Fault
Medium
B3874
Sequential Code
B3874: Door Locks Actuator Malfunction
Medium
B3876
Sequential Code
B3876: Seat Position Sensor Circuit Malfunction
Medium
B3877
Sequential Code
B3877: Exterior Lighting 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