← View Generic B1971 Guide
Severity: Medium
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Vehicle-Specific Guide
This guide is customized for your 2021 Honda PASSPORT
B1971: B1971: Power Window Circuit Malfunction
on 2021 Honda PASSPORT
Fix Cost
$100 - $500
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 B1971 Mean on 2021 Honda PASSPORT?
The B1971 code indicates a malfunction in the power window circuit, which can cause windows to malfunction or not function at all.
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Symptoms
- • Windows not moving
- • stuck
- • or not responding to switch
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Common Causes
- • Faulty window regulator
- • faulty window switch
- • wiring issue
- • or blown fuse
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How to Fix B1971 on 2021 Honda PASSPORT
1. Check and replace blown fuse. 2. Inspect and clean window switch. 3. Check and repair wiring issue. 4. Replace faulty window regulator or switch.
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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 B1971
B1969
Sequential Code
B1969: Climate Control Temperature Sensor Malfunction
Medium
B1970
Sequential Code
B1970: Door Locks Actuator Circuit Malfunction
Medium
B1972
Sequential Code
B1972: Seat Position Sensor Circuit Malfunction
Medium
B1973
Sequential Code
B1973: Body Control Module (BCM) Malfunction - Exterior Lighting
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