← View Generic B2770 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2021 Honda PASSPORT

B2770: B2770: Door Locks Malfunction

on 2021 Honda PASSPORT

Fix Cost
$100 - $300
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 B2770 Mean on 2021 Honda PASSPORT?

The B2770 code indicates a malfunction in the door lock system, which can cause issues with locking and unlocking doors, as well as potentially preventing the vehicle from being driven.
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Symptoms

  • • Doors won't lock or unlock
  • • door locks are slow or unresponsive
  • • door locks may be stuck or jammed
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Common Causes

  • • Faulty door lock actuator
  • • faulty door lock switch
  • • wiring issue
  • • door lock module failure
🛠️

How to Fix B2770 on 2021 Honda PASSPORT

1. Check door lock actuator for proper operation and replace if faulty. 2. Check door lock switch for proper operation and replace if faulty. 3. Check wiring for damage or corrosion and repair if necessary. 4. Check door lock module for proper operation and replace if faulty.

🔧

Need Maintenance Info for Your PASSPORT?

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Parts for 2021 Honda PASSPORT

Door lock actuator Shop ↗ Door lock switch Shop ↗ Wiring harness Shop ↗

Essential Tool

Must Have

OBD2 Scanner

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Related Diagnostic Codes

Other codes that may appear with B2770

B2768 Sequential Code

B2768: Airbag System Malfunction

High
B2769 Sequential Code

B2769: Climate Control Temperature Sensor Malfunction

Medium
B2771 Sequential Code

B2771: Power Window Regulator Circuit Malfunction

Medium
B2772 Sequential Code

B2772: Seat Position Sensor Circuit 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