← Back to Search Severity: Medium

B0771

B0771: Power Window Relay Circuit Malfunction

Fix Cost
$50 - $150
Parts & Labor
Difficulty
3/5
Moderate
1-2 hours
DIY Possible?
❌ No
Pro recommended
Category
Body
System

📖 What Does B0771 Mean?

The power window relay circuit has malfunctioned, preventing the windows from functioning properly. This code is often accompanied by a warning light on the dashboard.
⚠️

Symptoms

  • Windows won't roll up or down
  • or do so intermittently
  • with no warning light on the dashboard.
🔍

Common Causes

  • Faulty power window relay
  • wiring issue
  • or a problem with the window switch.
Fix Guide
🛠️

Possible Solutions

1. Check the power window relay for any signs of damage or corrosion. Replace it if necessary. 2. Inspect the wiring harness for any signs of damage or wear. Repair or replace as needed. 3. Test the window switch to ensure it's functioning properly. Replace if necessary.

🚗

Fixing this on your car?

Get the exact oil type, fluid capacities, and torque specs for your specific vehicle before you start the repair.

Find My Car's Specs

Common Questions About B0771

Q

Can I drive with code B0771?

A

You can drive for a short time, but should address code B0771 soon to avoid worsening the problem or failing an emissions test.

Q

How much does it cost to fix B0771?

A

The estimated repair cost for code B0771 is between $50 and $150. This includes parts and labor for most makes and models.

Q

Is this code easy to fix myself?

A

This repair is considered moderate. It may require specialized tools or significant disassembly. Professional help is recommended if you aren't an experienced DIYer.

👨‍🔧

Need a Pro?

Complex codes like B0771 can be tricky. Don't risk it if you're unsure.

📋

Recommended Tool

Essential for DIY

Professional OBD2 Scanner

Read & clear codes, view live data, and reset service lights yourself.

View Best Sellers ↗
🔗

Related Diagnostic Codes

Other codes that may appear with B0771

💡 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