← View Generic B2051 Guide
Severity: Medium
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Vehicle-Specific Guide
This guide is customized for your 2021 Honda PASSPORT
B2051: B2051: Power Window Circuit Malfunction
on 2021 Honda PASSPORT
Fix Cost
$100 - $500
Parts & Labor
Difficulty
3/5
1-2 hours
DIY Possible?
✅ Yes
Save money
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 B2051 Mean on 2021 Honda PASSPORT?
The B2051 code indicates a problem with the power window circuit, which may cause one or more windows to malfunction or not function at all.
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Symptoms
- • Window(s) not moving
- • stuck
- • or not responding to switch
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Common Causes
- • Faulty window regulator
- • faulty window switch
- • wiring issue
- • blown fuse
- • or faulty door module
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How to Fix B2051 on 2021 Honda PASSPORT
1. Check and replace blown fuse. 2. Inspect and clean window switch and wiring. 3. Test window regulator and replace if faulty. 4. Check door module and replace 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.
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Essential Tool
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Related Diagnostic Codes
Other codes that may appear with B2051
B2049
Sequential Code
B2049: Climate Control Malfunction
Medium
B2050
Sequential Code
B2050: Door Locks Malfunction
Medium
B2052
Sequential Code
B2052: Seat Switch Circuit Malfunction
Medium
B2053
Sequential Code
B2053: 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