AutoCodes – KIA – C2374 KIA

C2374 KIA Code - ESC Valve 2 HSV2 Error

Quick Answer

The Hydraulic Electronic Control Unit (HECU) is composed of an ECU (Electronic Control Unit) and an HCU (Hydraulic Control Unit), so the HECU hardware includes all solenoid valves inside the unit as well as the ECU. Common causes include Faulty Hydraulic Electronic Control Unit (HECU), Hydraulic Electronic Control Unit (HECU) harness is open or shorted, Hydraulic Electronic Control Unit (HECU) circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: C2374 KIA indicates ESC Valve 2 HSV2 Error.
Common causes: Common causes include Faulty Hydraulic Electronic Control Unit (HECU), Hydraulic Electronic Control Unit (HECU) harness is open or shorted, Hydraulic Electronic Control Unit (HECU) circuit poor electrical connection.
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

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Code Popularity 1,208

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

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Table of contents Created and updated by William Orellana on Jun 14, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C2374 KIA Description

The Hydraulic Electronic Control Unit (HECU) is composed of an ECU (Electronic Control Unit) and an HCU (Hydraulic Control Unit), so the HECU hardware includes all solenoid valves inside the unit as well as the ECU. The solenoid valves are switched to ON, OFF by HECU when the Anti-Lock Brake System (ABS) is activated. The solenoid valves function is to increase, decrease or maintain the hydraulic pressure supplied to a wheel cylinder. The HECU sets the OBDII code when the solenoid valves are not to function to factory specifications.

OBDII Code C2374 KIA - ESC Valve 2 HSV2 Error - AutoCodes.com — C2374 KIA Code - ESC Valve 2 HSV2 Error

What does this mean?

What are the Possible Causes of the DTC C2374 KIA?

Faulty Hydraulic Electronic Control Unit (HECU)
Hydraulic Electronic Control Unit (HECU) harness is open or shorted
Hydraulic Electronic Control Unit (HECU) circuit poor electrical connection

How to Fix the DTC C2374 KIA?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the C2374 KIA code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the C2374 KIA code?

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Need Help with the Code?

Get the C2374 KIA code diagnosed by a professional: Find a repair shop in your area

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about C2374 KIA Code

1. What does OBDII code C2374 for KIA ESC Valve 2 HSV2 Error indicate?

- This code indicates a malfunction in the Electronic Stability Control (ESC) Valve 2, specifically related to the Heating, Ventilation, and Air Conditioning (HVAC) system.

2. What are the common symptoms of OBDII code C2374 in a KIA vehicle?

- Common symptoms include issues with the ESC system, such as loss of stability control, traction control problems, and possible dashboard warning lights related to ESC malfunctions.

3. What are possible causes of OBDII code C2374 in a KIA car?

- Causes may include a faulty ESC valve, wiring issues, a malfunctioning HSV2 sensor, or problems with the ESC control module.

4. How can I diagnose OBDII code C2374 related to the ESC Valve 2 HSV2 Error in my KIA vehicle?

- Diagnosis typically involves using an OBDII scanner to retrieve the specific code, followed by a thorough inspection of the ESC valve, wiring, and related components for any visible damage or issues.

5. Can I still drive my KIA with OBDII code C2374 present?

- It is not recommended to drive the vehicle with this code present, as it may affect the ESC system's performance and compromise overall safety on the road.

6. What are the repair options for OBDII code C2374 in a KIA car?

- Repairs may involve replacing the faulty ESC valve, repairing damaged wiring, replacing the HSV2 sensor, or reprogramming the ESC control module to resolve the issue.

7. Is it possible to clear OBDII code C2374 in a KIA vehicle without repairing the underlying issue?

- While clearing the code temporarily may be possible, it is crucial to address the root cause of the problem to prevent the code from reoccurring and ensure the ESC system functions properly.

8. Can a DIY enthusiast fix OBDII code C2374 in a KIA car, or is professional assistance necessary?

- Depending on the specific issue, DIY enthusiasts with knowledge of automotive systems may be able to address some aspects of the repair. However, complex ESC system repairs may require professional assistance.

9. How long does it typically take to repair OBDII code C2374 related to the ESC Valve 2 HSV2 Error in a KIA vehicle?

- Repair times can vary based on the specific issue and the expertise of the individual performing the repair. It is advisable to consult with a qualified mechanic for an accurate estimate.

10. Are there any preventive maintenance tips to avoid encountering OBDII code C2374 in a KIA vehicle?

- Regularly inspecting and maintaining the ESC system components, including the ESC valve, wiring, and sensors, can help prevent issues that may trigger OBDII code C2374.