Fix Cost
$100 - $500
Parts & Labor
Difficulty
3/5
Moderate
1-2 hours
DIY Possible?
❌ No
Pro recommended
Category
Body
System
📖 What Does B0171 Mean?
The Body Control Module (BCM) has detected a malfunction in the power window circuit, preventing one or more windows from operating properly.
⚠️
Symptoms
- • Window(s) not moving
- • intermittent window operation
- • or unusual noises when trying to operate the window.
🔍
Common Causes
- • Faulty window regulator
- • faulty window switch
- • damaged or corroded wiring
- • or a malfunctioning BCM.
Fix Guide
🛠️
Possible Solutions
1. Disconnect the battery to reset the BCM. 2. Check and clean the window switch and wiring. 3. Inspect and replace the window regulator if damaged. 4. Test the window switch and replace if faulty. 5. Check the BCM for any errors or malfunctions.
Required Parts
Tools
Multimeter
Torx screwdriver
Pliers
👨🔧
Need a Pro?
Complex codes like B0171 can be tricky. Don't risk it if you're unsure.
Quick Stats
Severity
Medium
DIY Friendly
No
Est. Time
1-2 hours
🔗
Related Diagnostic Codes
Other codes that may appear with B0171
B0100
Same System
B0100: Seat Position Sensor Malfunction
Medium
B0101
Same System
B0101: Body System Code B0101 - Lighting
Medium
B0102
Same System
B0102: Immobilizer System Malfunction
Medium
B0103
Same System
B0103: Audio System Malfunction
Medium
B0104
Same System
B0104: Airbag System Malfunction
High
B0105
Same System
B0105: Climate Control Blower Motor Fault
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