← View Generic B0093 Guide Severity: Medium

🚗 Vehicle-Specific Guide

This guide is customized for your 2021 Honda PASSPORT

B0093: B0093: Body Control Module (BCM) - Exterior Lighting Circuit 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 B0093 Mean on 2021 Honda PASSPORT?

The Body Control Module (BCM) has detected a malfunction in the exterior lighting circuit, which may include issues with the headlights, taillights, or turn signals.

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Symptoms

• Dim or inoperative exterior lights
• faulty turn signal indicators
• or intermittent lighting issues.

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Common Causes

• Faulty BCM
• wiring damage
• corroded connections
• or a malfunctioning exterior light module.

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How to Fix B0093 on 2021 Honda PASSPORT

1. Check and clean all exterior light connections and wiring. 2. Replace the BCM if faulty. 3. Inspect and replace the exterior light module if necessary. 4. Check and repair any wiring damage.

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Need Maintenance Info for Your PASSPORT?

Get oil capacity, filter specs, and torque settings for your specific 2021 Honda PASSPORT.

View 2021 Honda PASSPORT Specs

Parts for 2021 Honda PASSPORT

Body Control Module (BCM) Shop ↗ Exterior Light Module Shop ↗ Wiring Harness Shop ↗

Essential Tool

Must Have

OBD2 Scanner

Read & clear codes on your 2021 Honda PASSPORT

Shop Scanners ↗

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Related Diagnostic Codes

Other codes that may appear with B0093

B0091 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