← View Generic B1708 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2021 Honda PASSPORT

B1708: B1708: Seat Switch Circuit Malfunction

on 2021 Honda PASSPORT

Fix Cost
$50 - $200
Parts & Labor
Difficulty
3/5
1-2 hours
DIY Possible?
❌ No
Pro recommended
Your Vehicle
2021 Honda
PASSPORT
⚠️

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 B1708 Mean on 2021 Honda PASSPORT?

The B1708 code indicates a problem with the seat switch circuit, which controls the seat's position, recline, or lumbar support. This code is often triggered by a faulty seat switch, wiring issue, or a problem with the seat's electrical system.
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Symptoms

  • • Seat won't move
  • • recline
  • • or adjust properly
  • • or the seat warning light is illuminated on the dashboard.
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Common Causes

  • • Faulty seat switch
  • • wiring issue
  • • seat electrical system problem
  • • or a faulty seat control module.
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How to Fix B1708 on 2021 Honda PASSPORT

1. Check the seat switch for any signs of damage or wear. Replace it if necessary. 2. Inspect the wiring harness for any signs of damage or corrosion. Repair or replace it if necessary. 3. Check the seat control module for any faults. Replace it if necessary. 4. Check the seat's electrical system for any issues. Repair or replace it if necessary.

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Parts for 2021 Honda PASSPORT

Seat switch Shop ↗ Wiring harness Shop ↗ Seat control module Shop ↗

Essential Tool

Must Have

OBD2 Scanner

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Related Diagnostic Codes

Other codes that may appear with B1708

B1706 Sequential Code

B1706: Door Locks Actuator Circuit Malfunction

Medium
B1707 Sequential Code

B1707: Power Window Circuit Malfunction

Medium
B1709 Sequential Code

B1709: Exterior Lighting Malfunction

Medium
B1710 Sequential Code

B1710: Body Control Module (BCM) Security System 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