← Back to Search Severity: Medium

C1590

C1590: Brake System Pressure Sensor Circuit Malfunction

Fix Cost
$100 - $300
Parts & Labor
Difficulty
3/5
Moderate
1-2 hours
DIY Possible?
❌ No
Pro recommended
Category
Chassis
System

📖 What Does C1590 Mean?

The brake system pressure sensor circuit has malfunctioned, indicating a problem with the brake system's ability to regulate pressure.
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Symptoms

  • Spongy brake pedal
  • low brake fluid level
  • unusual brake noise
  • or brake light illuminated on the dashboard
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Common Causes

  • Faulty brake pressure sensor
  • clogged brake fluid lines
  • air in the brake system
  • or worn-out brake pads
Fix Guide
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Possible Solutions

1. Check brake fluid level and top off if necessary. 2. Bleed the brake system to remove air. 3. Replace faulty brake pressure sensor. 4. Inspect and replace worn-out brake pads.

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Common Questions About C1590

Q

Can I drive with code C1590?

A

You can drive for a short time, but should address code C1590 soon to avoid worsening the problem or failing an emissions test.

Q

How much does it cost to fix C1590?

A

The estimated repair cost for code C1590 is between $100 and $300. 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.

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Need a Pro?

Complex codes like C1590 can be tricky. Don't risk it if you're unsure.

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Related Diagnostic Codes

Other codes that may appear with C1590

💡 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