← View Generic B0805 Guide
Severity: Medium
🚗
Vehicle-Specific Guide
This guide is customized for your 2021 Honda PASSPORT
B0805: B0805: Malfunction in Exterior Lighting Circuit
on 2021 Honda PASSPORT
Fix Cost
$50 - $200
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 B0805 Mean on 2021 Honda PASSPORT?
The B0805 code indicates a problem with the exterior lighting circuit, which can cause issues with the headlight, taillight, or brake light functions.
⚠️
Symptoms
- • Dim or non-functional exterior lights
- • warning lights on the dashboard
- • difficulty seeing at night
🔍
Common Causes
- • Faulty headlight or taillight bulbs
- • wiring issues
- • blown fuses
- • or a malfunctioning exterior lighting control module
🛠️
How to Fix B0805 on 2021 Honda PASSPORT
1. Check and replace faulty bulbs; 2. Inspect and repair wiring issues; 3. Check and replace blown fuses; 4. Test and replace the exterior lighting control module if necessary
🔧
Need Maintenance Info for Your PASSPORT?
Get oil capacity, filter specs, and torque settings for your specific 2021 Honda PASSPORT.
View 2021 Honda PASSPORT SpecsParts for 2021 Honda PASSPORT
Essential Tool
🔗
Related Diagnostic Codes
Other codes that may appear with B0805
B0803
Sequential Code
B0803: Power Window Regulator Malfunction
Medium
B0804
Sequential Code
B0804: Seat Switch Circuit Malfunction
Medium
B0806
Sequential Code
B0806: Body System Security Malfunction
Medium
B0807
Sequential Code
B0807: 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