← View Generic B1165 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2021 Honda PASSPORT

B1165: B1165: Body Control Module (BCM) 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
⚠️

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 B1165 Mean on 2021 Honda PASSPORT?

The Body Control Module (BCM) has detected a malfunction in the lighting circuit, which may cause issues with the vehicle's exterior lights, such as the headlights, taillights, or turn signals.
⚠️

Symptoms

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

  • • Faulty BCM
  • • wiring harness damage
  • • blown fuse
  • • or a malfunctioning lighting module.
🛠️

How to Fix B1165 on 2021 Honda PASSPORT

1. Check the BCM for any stored trouble codes and clear them. 2. Inspect the wiring harness for damage and repair or replace as needed. 3. Check the fuse box for blown fuses and replace them if necessary. 4. Test the lighting module and replace it if faulty.

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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

Body Control Module Shop ↗ Wiring Harness Shop ↗ Fuses Shop ↗ Lighting 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 B1165

B1163 Sequential Code

B1163: Power Window Relay Circuit Malfunction

Medium
B1164 Sequential Code

B1164: Seat Position Sensor Circuit Malfunction

Medium
B1166 Sequential Code

B1166: Body Control Module (BCM) Security System Malfunction

Medium
B1167 Sequential Code

B1167: Audio System 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