← View Generic B3389 Guide
Severity: Medium
🚗
Vehicle-Specific Guide
This guide is customized for your 2021 Honda PASSPORT
B3389: B3389: Exterior Lighting Malfunction
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 B3389 Mean on 2021 Honda PASSPORT?
This code indicates a problem with the exterior lighting system, such as a faulty headlight, taillight, or turn signal.
⚠️
Symptoms
- • Dim or non-functioning exterior lights
- • warning lights on dashboard
🔍
Common Causes
- • Faulty headlight or taillight bulb
- • wiring issue
- • or body control module malfunction
🛠️
How to Fix B3389 on 2021 Honda PASSPORT
1. Check and replace faulty bulb(s). 2. Inspect and repair wiring damage. 3. Update body control module software 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 B3389
B3387
Sequential Code
B3387: Power Window Regulator Circuit Malfunction
Medium
B3388
Sequential Code
B3388: Seat Switch Circuit Malfunction
Medium
B3390
Sequential Code
B3390: Immobilizer System Malfunction
High
B3391
Sequential Code
B3391: Audio System Fault
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