← View Generic B1428 Guide
Severity: Medium
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Vehicle-Specific Guide
This guide is customized for your 2021 Honda PASSPORT
B1428: B1428: 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 B1428 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 a position
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Common Causes
- • Faulty seat switch
- • wiring issue
- • or electrical connector problem
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How to Fix B1428 on 2021 Honda PASSPORT
1. Disconnect the battery to reset the system. 2. Check and clean the seat switch and electrical connector. 3. Replace the seat switch if faulty. 4. Check and repair any wiring issues.
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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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Related Diagnostic Codes
Other codes that may appear with B1428
B1426
Sequential Code
B1426: Door Locks Actuator Circuit Malfunction
Medium
B1427
Sequential Code
B1427: Power Window Circuit Malfunction
Medium
B1429
Sequential Code
B1429: Exterior Lighting Malfunction
Medium
B1430
Sequential Code
B1430: Body System Security 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