← View Generic B1779 Guide
Severity: Medium
🚗
Vehicle-Specific Guide
This guide is customized for your 2021 Honda PASSPORT
B1779: B1779: Power Window Relay Circuit Malfunction
on 2021 Honda PASSPORT
Fix Cost
$100 - $300
Parts & Labor
Difficulty
3/5
1-2 hours
DIY Possible?
❌ No
Pro recommended
Your Vehicle
2021 Honda
PASSPORT
⚠️
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 B1779 Mean on 2021 Honda PASSPORT?
The power window relay circuit has malfunctioned, preventing the windows from functioning properly.
⚠️
Symptoms
- • Windows won't roll up or down
- • or do so intermittently
- • with no warning lights on the dashboard.
🔍
Common Causes
- • Faulty power window relay
- • wiring issues
- • or a malfunctioning window switch.
🛠️
How to Fix B1779 on 2021 Honda PASSPORT
1. Disconnect the battery to reset the system. 2. Check and clean the wiring and connectors. 3. Replace the power window relay if faulty. 4. Test the window switch and replace if necessary.
🔧
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
🔗
Related Diagnostic Codes
Other codes that may appear with B1779
B1777
Sequential Code
B1777: Climate Control Actuator Malfunction
Medium
B1778
Sequential Code
B1778: Door Locks Actuator Circuit Malfunction
Medium
B1780
Sequential Code
B1780: Seat Position Sensor Circuit Malfunction
Medium
B1781
Sequential Code
B1781: Turn Signal Lamp Circuit 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