← View Generic B1261 Guide Severity: Medium

🚗 Vehicle-Specific Guide

This guide is customized for your 2021 Honda PASSPORT

B1261: B1261: Body Control Module (BCM) Malfunction - Exterior 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

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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 B1261 Mean on 2021 Honda PASSPORT?

The Body Control Module (BCM) has detected a malfunction in the exterior lighting system, such as a faulty headlight or taillight.

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Symptoms

• Dim or inoperative exterior lights
• warning lights on the dashboard
• or erratic lighting behavior.

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Common Causes

• Faulty BCM
• wiring issues
• blown fuse
• or damaged exterior lighting components.

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How to Fix B1261 on 2021 Honda PASSPORT

1. Check the BCM for any error codes or faults. 2. Inspect and replace any blown fuses. 3. Check and repair any wiring issues. 4. Replace faulty exterior lighting components. 5. Update the BCM software if necessary.

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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

BCM Shop ↗ fuses Shop ↗ wiring harness Shop ↗ exterior lighting components 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 B1261

B1259 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