← Back to Search Severity: Medium

C0123

C0123: Electronic Stability Control (ESC) Malfunction

Fix Cost
$200 - $800
Parts & Labor
Difficulty
3/5
Moderate
1-2 hours
DIY Possible?
❌ No
Pro recommended
Category
Chassis
System

📖 What Does C0123 Mean?

The Electronic Stability Control (ESC) system has detected a malfunction, which may cause the vehicle to lose traction or stability.
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Symptoms

  • Vibration
  • loss of traction
  • or difficulty steering
  • especially during sudden maneuvers or on slippery surfaces.
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Common Causes

  • Faulty ESC module
  • faulty wheel speed sensors
  • faulty yaw rate sensor
  • or a malfunctioning brake pedal position sensor.
Fix Guide
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Possible Solutions

1. Check and clear any trouble codes. 2. Inspect and clean wheel speed sensors and yaw rate sensor. 3. Replace faulty sensors or ESC module if necessary. 4. Check and adjust brake pedal position sensor.

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Common Questions About C0123

Q

Can I drive with code C0123?

A

You can drive for a short time, but should address code C0123 soon to avoid worsening the problem or failing an emissions test.

Q

How much does it cost to fix C0123?

A

The estimated repair cost for code C0123 is between $200 and $800. 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 C0123 can be tricky. Don't risk it if you're unsure.

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Related Diagnostic Codes

Other codes that may appear with C0123

💡 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