← View Generic U0351 Guide
Severity: Medium
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Vehicle-Specific Guide
This guide is customized for your 2021 Honda PASSPORT
U0351: Network Communication Code U0351 - Module Communication
on 2021 Honda PASSPORT
Fix Cost
$50 - $300
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 U0351 Mean on 2021 Honda PASSPORT?
Network communication diagnostic trouble code related to module communication communication.
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Symptoms
- • Communication errors
- • module malfunctions
- • system integration failures
- • CAN bus issues.
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Common Causes
- • CAN bus faults
- • module communication errors
- • wiring problems
- • connector corrosion.
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How to Fix U0351 on 2021 Honda PASSPORT
Check CAN bus integrity, test module communication, repair wiring, clean connectors.
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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 U0351
U0349
Sequential Code
Network Communication Code U0349 - Bus Fault
Medium
U0350
Sequential Code
Network Communication Code U0350 - CAN Bus
Medium
U0352
Sequential Code
Network Communication Code U0352 - Gateway
Medium
U0353
Sequential Code
Network Communication Code U0353 - Network Hub
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