← View Generic B0946 Guide Severity: Medium

🚗 Vehicle-Specific Guide

This guide is customized for your 2021 Honda PASSPORT

B0946: B0946: Door Locks Actuator 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

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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 B0946 Mean on 2021 Honda PASSPORT?

The Body Control Module (BCM) has detected a malfunction in the door lock actuator circuit, preventing proper door lock operation.

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Symptoms

• Door locks may not function
• or may function intermittently
• or may lock/unlock unexpectedly.

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Common Causes

• Faulty door lock actuator
• wiring issue
• or BCM malfunction.

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How to Fix B0946 on 2021 Honda PASSPORT

1. Check door lock actuator for signs of wear or damage. Replace if necessary. 2. Inspect wiring for damage or corrosion. Repair or replace as needed. 3. Update BCM software if necessary. 4. Test door lock actuator circuit.

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Parts for 2021 Honda PASSPORT

Door lock actuator Shop ↗ Wiring harness Shop ↗

Essential Tool

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Related Diagnostic Codes

Other codes that may appear with B0946

B0944 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