🚗 Vehicle-Specific Guide

This guide is customized for your 2021 Honda PASSPORT

B0274: B0274: Door Locks Actuator 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
⚠️

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 B0274 Mean on 2021 Honda PASSPORT?

The B0274 code indicates a malfunction in the door lock actuator circuit, which prevents the door locks from functioning properly.
⚠️

Symptoms

  • Door locks won't engage or disengage
  • may be stuck in a particular position
  • or may not respond to the unlock or lock button.
🔍

Common Causes

  • Faulty door lock actuator
  • wiring issue
  • blown fuse
  • or a problem with the body control module.
🛠️

How to Fix B0274 on 2021 Honda PASSPORT

1. Check the fuse box for a blown fuse and replace it if necessary. 2. Inspect the wiring harness for any signs of damage or corrosion and repair or replace it if needed. 3. Test the door lock actuator to ensure it's functioning properly. 4. If the issue persists, replace the body control module.

🔧

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Related Diagnostic Codes

Other codes that may appear with B0274

💡 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