OBD Guide
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C2023

Tire 3 Air Pressure Decrease

C2023 is an OBD-II diagnostic trouble code meaning: Tire 3 Air Pressure Decrease. Common causes: tire puncture or damage, pressure sensor malfunction. Estimated repair cost: $6–56.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$6–56 (est.)

Symptoms

  • Tire pressure indicator is on
  • Deterioration in handling
  • Increased noise when driving

Causes

  • Tire puncture or damage
  • Pressure sensor malfunction
  • Natural air leak
  • Sensor valve problems

How to Fix

  1. Check tire pressure
  2. Inspect the tire for damage
  3. Check the condition of the pressure sensor
  4. If necessary, replace the sensor or repair the tire

Related codes

C2021C2022C2024

FAQ

What does the C2023 code mean?

C2023 is an OBD-II diagnostic trouble code that indicates: Tire 3 Air Pressure Decrease

What causes a C2023 error code?

The most common causes of C2023 include: Tire puncture or damage; Pressure sensor malfunction; Natural air leak; Sensor valve problems.

How do I fix a C2023 diagnostic trouble code?

To fix C2023: Check tire pressure. Inspect the tire for damage. Check the condition of the pressure sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C2023?

Limited driving only, diagnose soon

How much does it cost to fix C2023?

The estimated repair cost for C2023 is $6–56. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat