← View Generic B0842 Guide Severity: Medium

🚗 Vehicle-Specific Guide

This guide is customized for your 2021 Honda PASSPORT

B0842: B0842: Door Locks 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

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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 B0842 Mean on 2021 Honda PASSPORT?

The B0842 code indicates a malfunction in the door lock system, which may cause the doors to lock or unlock unexpectedly, or not function at all.

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Symptoms

• Doors lock or unlock unexpectedly
• doors won't lock or unlock
• door lock warning light on dashboard

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Common Causes

• Faulty door lock actuator
• wiring issue
• faulty door lock module
• faulty body control module

🛠️

How to Fix B0842 on 2021 Honda PASSPORT

1. Disconnect the battery to reset the system. 2. Check and repair any damaged wiring. 3. Replace the faulty door lock actuator or module. 4. Update the body control module software if necessary.

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Need Maintenance Info for Your PASSPORT?

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Parts for 2021 Honda PASSPORT

Door lock actuator Shop ↗ Door lock module Shop ↗ Wiring harness Shop ↗

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Related Diagnostic Codes

Other codes that may appear with B0842

B0840 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