AutoCodes – Hyundai – P1624 Hyundai

P1624 Hyundai Code - Engine Coolant Blower Motor Relay Low Speed Circuit Malfunction

Quick Answer

P1624 Hyundai indicates Engine Coolant Blower Motor Relay Low Speed Circuit Malfunction. Common causes include Faulty Engine Coolant Blower Motor Relay, Engine Coolant Blower Motor Relay harness is open or shorted, Engine Coolant Blower Motor Relay 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: P1624 Hyundai indicates Engine Coolant Blower Motor Relay Low Speed Circuit Malfunction.
Common causes: Common causes include Faulty Engine Coolant Blower Motor Relay, Engine Coolant Blower Motor Relay harness is open or shorted, Engine Coolant Blower Motor Relay 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 25,087

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 Sep 01, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1624 Hyundai Description

OBDII Code P1624 Hyundai - Engine Coolant Blower Motor Relay Low Speed Circuit Malfunction - AutoCodes.com — P1624 Hyundai Code - Engine Coolant Blower Motor Relay Low Speed Circuit Malfunction

What does this mean?

What are the Possible Causes of the DTC P1624 Hyundai?

Faulty Engine Coolant Blower Motor Relay
Engine Coolant Blower Motor Relay harness is open or shorted
Engine Coolant Blower Motor Relay circuit poor electrical connection

How to Fix the DTC P1624 Hyundai?

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 P1624 Hyundai 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 P1624 Hyundai code?

Need more information on how to fix the P1624 Hyundai code? Get Access to Factory Service Manuals

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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 P1624 Hyundai Code

1. What does the OBDII code P1624 mean for a Hyundai vehicle?

P1624 on a Hyundai typically indicates an "Engine Coolant Blower Motor Relay Low Speed Circuit Malfunction," which relates to an issue with the cooling fan's low-speed relay or its associated circuitry.

2. What are the common symptoms of a P1624 code in a Hyundai?

Common symptoms include the engine overheating, the cooling fan not operating at low speed, and possibly an illuminated check engine light.

3. What causes the P1624 code to appear in a Hyundai?

Possible causes include a faulty cooling fan relay, damaged wiring or connectors in the fan circuit, a malfunctioning engine control module (ECM), or a low-speed fan motor failure.

4. Can I drive my Hyundai with a P1624 code?

Driving with a P1624 code is not recommended, as it can lead to engine overheating and potentially severe damage if the cooling fan isn’t functioning properly.

5. How do I diagnose the P1624 code in my Hyundai?

Diagnose the code by checking the cooling fan relay, inspecting the wiring and connectors for damage, and testing the low-speed fan circuit for proper operation using a multimeter.

6. What are common fixes for the P1624 code in a Hyundai?

Common fixes include replacing a faulty cooling fan relay, repairing or replacing damaged wiring, or replacing the cooling fan motor if it has failed.

7. How much does it typically cost to repair a P1624 code in a Hyundai?

Repair costs vary but typically range from $100 to $300, depending on whether the issue is a simple relay replacement or involves more extensive wiring repairs.

8. Can a bad engine control module (ECM) cause the P1624 code?

Yes, although less common, a malfunctioning ECM can cause the P1624 code if it fails to properly control the cooling fan relay.

9. How can I prevent a P1624 code from occurring in my Hyundai?

Regular maintenance, including inspecting the cooling fan system, wiring, and relays, can help prevent the P1624 code from occurring.

10. Does the P1624 code always require professional repair?

Not always; if the issue is a simple relay replacement or loose connector, you may be able to fix it yourself. However, diagnosing wiring or ECM issues often requires professional expertise.