← View Generic B0135 Guide
Severity: Medium
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Vehicle-Specific Guide
This guide is customized for your 2021 Honda PASSPORT
B0135: B0135: Audio System Malfunction
on 2021 Honda PASSPORT
Fix Cost
$100 - $500
Parts & Labor
Difficulty
3/5
1-2 hours
DIY Possible?
❌ No
Pro recommended
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 B0135 Mean on 2021 Honda PASSPORT?
The B0135 code indicates a malfunction in the audio system, which may cause issues with sound quality, volume, or functionality.
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Symptoms
- • No sound
- • distorted sound
- • or intermittent sound loss
- • volume control not working
- • or radio not turning on.
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Common Causes
- • Faulty audio amplifier
- • blown speaker
- • damaged wiring
- • or malfunctioning audio control module.
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How to Fix B0135 on 2021 Honda PASSPORT
1. Check and repair or replace damaged wiring. 2. Inspect and replace blown speakers. 3. Test and replace faulty audio amplifier. 4. Update or replace audio control module software.
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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 B0135
B0133
Sequential Code
B0133: Body System Code B0133 - Lighting
Medium
B0134
Sequential Code
B0134: Immobilizer System Malfunction
Medium
B0136
Sequential Code
B0136: Airbag System Fault
Medium
B0137
Sequential Code
B0137: Climate Control 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