🚗 Vehicle-Specific Guide

This guide is customized for your 2021 Honda PASSPORT

B1301: B1301: 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 B1301 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 erratic lighting behavior
🔍

Common Causes

  • Faulty BCM
  • wiring issues
  • blown fuses
  • or damaged lighting components
🛠️

How to Fix B1301 on 2021 Honda PASSPORT

1. Check and replace blown fuses. 2. Inspect and repair wiring damage. 3. Update BCM software if necessary. 4. Replace faulty lighting components.

🔧

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

Essential Tool

Must Have

OBD2 Scanner

Read & clear codes on your 2021 Honda PASSPORT

Shop Scanners ↗
🔗

Related Diagnostic Codes

Other codes that may appear with B1301

💡 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