← View Generic B1773 Guide
Severity: Medium
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Vehicle-Specific Guide
This guide is customized for your 2021 Honda PASSPORT
B1773: B1773: 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
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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 B1773 Mean on 2021 Honda PASSPORT?
This code indicates a problem with the exterior lighting system, such as a faulty headlight, taillight, or turn signal.
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Symptoms
- • Dim or inoperative exterior lights
- • warning lights on dashboard
- • difficulty seeing at night
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Common Causes
- • Faulty headlight or taillight bulb
- • wiring issue
- • faulty headlight or taillight assembly
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How to Fix B1773 on 2021 Honda PASSPORT
Replace faulty bulb, inspect and repair wiring, replace faulty headlight or taillight assembly
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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 B1773
B1771
Sequential Code
B1771: Power Window Relay Circuit Malfunction
Medium
B1772
Sequential Code
B1772: Seat Position Sensor Circuit Malfunction
Medium
B1774
Sequential Code
B1774: Body Control Module (BCM) Security System Malfunction
Medium
B1775
Sequential Code
B1775: 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