← View Generic B1251 Guide
Severity: Medium
🚗
Vehicle-Specific Guide
This guide is customized for your 2021 Honda PASSPORT
B1251: B1251: Power Window Circuit 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
⚠️
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 B1251 Mean on 2021 Honda PASSPORT?
The B1251 code indicates a malfunction in the power window circuit, which can cause windows to malfunction or not function at all.
⚠️
Symptoms
- • Windows not moving
- • stuck
- • or not responding to switch
🔍
Common Causes
- • Faulty window regulator
- • faulty window switch
- • wiring issue
- • or blown fuse
🛠️
How to Fix B1251 on 2021 Honda PASSPORT
1. Check and replace blown fuse. 2. Inspect and clean window switch. 3. Check and replace faulty window regulator. 4. Check and repair wiring issue.
🔧
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 B1251
B1249
Sequential Code
B1249: Climate Control Actuator Malfunction
Medium
B1250
Sequential Code
B1250: Door Locks Malfunction
Medium
B1252
Sequential Code
B1252: Seat Switch Circuit Malfunction
Medium
B1253
Sequential Code
B1253: Turn Signal Lamp 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