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Severity: Medium
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Vehicle-Specific Guide
This guide is customized for your 2021 Honda PASSPORT
B2101: B2101: Body System Code - 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
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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 B2101 Mean on 2021 Honda PASSPORT?
This code indicates a malfunction in the vehicle's lighting system, such as a faulty headlight, taillight, or brake light.
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Symptoms
- • Dim or inoperative headlights
- • taillights
- • or brake lights
- • or a combination of these symptoms.
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Common Causes
- • Faulty headlight or taillight bulb
- • wiring issue
- • or a problem with the lighting control module.
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How to Fix B2101 on 2021 Honda PASSPORT
1. Check and replace the faulty bulb(s). 2. Inspect and repair any damaged wiring. 3. Update the lighting control module 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.
View 2021 Honda PASSPORT SpecsParts for 2021 Honda PASSPORT
Essential Tool
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Related Diagnostic Codes
Other codes that may appear with B2101
B2099
Sequential Code
B2099: Power Window Circuit Malfunction
Medium
B2100
Sequential Code
B2100: Seat Position Sensor Circuit Malfunction
Medium
B2102
Sequential Code
B2102: Body Control Module (BCM) Security System Malfunction
High
B2103
Sequential Code
B2103: 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