← View Generic B0138 Guide Severity: Medium

🚗 Vehicle-Specific Guide

This guide is customized for your 2021 Honda PASSPORT

B0138: B0138: 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

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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 B0138 Mean on 2021 Honda PASSPORT?

The B0138 code indicates a malfunction in the door lock system, which can cause issues with locking and unlocking the doors.

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Symptoms

• Doors may not lock or unlock properly
• or may do so intermittently
• and may also trigger a warning light on the dashboard.

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Common Causes

• Faulty door lock actuator
• wiring issue
• or a problem with the door lock module.

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How to Fix B0138 on 2021 Honda PASSPORT

1. Check the door lock actuator for any signs of damage or wear. If damaged, replace it. 2. Inspect the wiring and connectors for any signs of damage or corrosion. Clean or replace as needed. 3. Check the door lock module for any signs of malfunction. If faulty, replace it.

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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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Parts for 2021 Honda PASSPORT

Door Lock Actuator Shop ↗ Wiring Harness Shop ↗ Door Lock Module Shop ↗

Essential Tool

Must Have

OBD2 Scanner

Read & clear codes on your 2021 Honda PASSPORT

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Related Diagnostic Codes

Other codes that may appear with B0138

B0136 Sequential Code

💡 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