← View Generic B1157 Guide
Severity: Medium
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Vehicle-Specific Guide
This guide is customized for your 2021 Honda PASSPORT
B1157: B1157: 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 B1157 Mean on 2021 Honda PASSPORT?
The B1157 code indicates a malfunction in the exterior lighting system, such as the headlights, taillights, or turn signals.
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Symptoms
- • Dim or inoperative exterior lights
- • warning lights on the dashboard
- • or intermittent lighting issues.
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Common Causes
- • Faulty light bulbs
- • wiring issues
- • or problems with the lighting control module.
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How to Fix B1157 on 2021 Honda PASSPORT
1. Check and replace faulty light bulbs. 2. Inspect and repair or replace wiring as needed. 3. Update the lighting control module 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.
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Essential Tool
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Related Diagnostic Codes
Other codes that may appear with B1157
B1155
Sequential Code
B1155: Power Window Switch Circuit Malfunction
Medium
B1156
Sequential Code
B1156: Seat Switch Circuit Malfunction
Medium
B1158
Sequential Code
B1158: Body System Security Malfunction
Medium
B1159
Sequential Code
B1159: 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