🚗 Vehicle-Specific Guide

This guide is customized for your 2021 Honda PASSPORT

B0117: B0117: Low Beam Headlight Relay Circuit Malfunction

on 2021 Honda PASSPORT

Fix Cost
$50 - $150
Parts & Labor
Difficulty
3/5
1-2 hours
DIY Possible?
✅ Yes
Save money
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 B0117 Mean on 2021 Honda PASSPORT?

The B0117 code indicates a malfunction in the low beam headlight relay circuit, which can cause the low beam headlights to malfunction or not function at all.
⚠️

Symptoms

  • Dim or inoperative low beam headlights
  • blinking or flickering headlights
  • or no headlights at all
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Common Causes

  • Faulty headlight relay
  • corroded or loose connections
  • blown fuse
  • or wiring damage
🛠️

How to Fix B0117 on 2021 Honda PASSPORT

1. Check and replace the headlight relay if faulty. 2. Inspect and clean or replace corroded or loose connections. 3. Check and replace the blown fuse. 4. Inspect and repair wiring damage.

🔧

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Related Diagnostic Codes

Other codes that may appear with B0117

💡 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