← View Generic B1149 Guide Severity: Medium
🚗 Vehicle-Specific Guide

This guide is customized for your 2021 Honda PASSPORT

B1149: B1149: Body Control Module (BCM) Malfunction - Lighting

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 B1149 Mean on 2021 Honda PASSPORT?

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

Symptoms

  • • Dim or inoperative headlights
  • • taillights
  • • or other exterior lights
  • • possible dashboard warning lights.
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Common Causes

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

How to Fix B1149 on 2021 Honda PASSPORT

Check the BCM for any faults or errors using a scan tool. Inspect the wiring harness for any signs of damage or wear. Replace the BCM if faulty or damaged. Check and replace any blown fuses.

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Need Maintenance Info for Your PASSPORT?

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Parts for 2021 Honda PASSPORT

Body Control Module (BCM) Shop ↗ Wiring harness Shop ↗

Essential Tool

Must Have

OBD2 Scanner

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Related Diagnostic Codes

Other codes that may appear with B1149

B1147 Sequential Code

B1147: Power Window Regulator Circuit Malfunction

Medium
B1148 Sequential Code

B1148: Seat Position Sensor Circuit Malfunction

Medium
B1150 Sequential Code

B1150: Body System Security Malfunction

Medium
B1151 Sequential Code

B1151: 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