← View Generic B3476 Guide
Severity: Medium
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Vehicle-Specific Guide
This guide is customized for your 2021 Honda PASSPORT
B3476: B3476: Seat Switch Circuit Malfunction
on 2021 Honda PASSPORT
Fix Cost
$50 - $200
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 B3476 Mean on 2021 Honda PASSPORT?
The seat switch circuit has malfunctioned, preventing the seat from functioning properly. This code is typically set when the seat switch circuit is open or shorted.
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Symptoms
- • Seat will not move
- • or moves erratically
- • or is stuck in position
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Common Causes
- • Faulty seat switch
- • wiring issue
- • or electrical component failure
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How to Fix B3476 on 2021 Honda PASSPORT
1. Disconnect battery to reset code. 2. Inspect and clean seat switch contacts. 3. Replace faulty seat switch if necessary. 4. Check and repair wiring if damaged.
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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 B3476
B3474
Sequential Code
B3474: Door Locks Actuator Malfunction
Medium
B3475
Sequential Code
B3475: Power Window Regulator Malfunction
Medium
B3477
Sequential Code
B3477: Exterior Lighting Malfunction
Medium
B3478
Sequential Code
B3478: Immobilizer System Malfunction
High
💡 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