← Back to Search Severity: Medium

C1623

C1623: Wheel Speed Sensor Malfunction

Fix Cost
$150 - $300
Parts & Labor
Difficulty
3/5
Moderate
1-2 hours
DIY Possible?
❌ No
Pro recommended
Category
Chassis
System

📖 What Does C1623 Mean?

The wheel speed sensor malfunction code C1623 indicates a problem with the wheel speed sensor circuit, which monitors the speed of the vehicle's wheels and sends the data to the vehicle's computer.
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Symptoms

  • ABS light on
  • vehicle may vibrate or pull to one side
  • reduced traction control system performance
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Common Causes

  • Faulty wheel speed sensor
  • wiring damage
  • sensor connector corrosion
  • faulty ABS module
Fix Guide
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Possible Solutions

1. Disconnect the battery to prevent any accidental ABS activation. 2. Locate the faulty wheel speed sensor and replace it with a new one. 3. Inspect and clean the sensor connector and wiring. 4. Test the ABS system to ensure it's functioning properly.

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Common Questions About C1623

Q

Can I drive with code C1623?

A

You can drive for a short time, but should address code C1623 soon to avoid worsening the problem or failing an emissions test.

Q

How much does it cost to fix C1623?

A

The estimated repair cost for code C1623 is between $150 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 C1623 can be tricky. Don't risk it if you're unsure.

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Related Diagnostic Codes

Other codes that may appear with C1623

💡 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