🚗 Vehicle-Specific Guide

This guide is customized for your 2021 Honda PASSPORT

B0074: B0074: Door Locks Actuator 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 B0074 Mean on 2021 Honda PASSPORT?

The B0074 code indicates a malfunction in the door locks actuator circuit, which controls the operation of the door locks and windows.
⚠️

Symptoms

  • Door locks may not function
  • or may function intermittently
  • and/or windows may not roll up or down.
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Common Causes

  • Faulty door locks actuator
  • wiring issues
  • or a faulty body control module.
🛠️

How to Fix B0074 on 2021 Honda PASSPORT

1. Check the door locks actuator for any signs of physical damage or corrosion. Replace if necessary. 2. Inspect the wiring harness for any signs of damage or corrosion. Repair or replace as needed. 3. Check the body control module for any signs of malfunction. Clear any trouble codes and test the system.

🔧

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Related Diagnostic Codes

Other codes that may appear with B0074

💡 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