Engine-CodesKIA – P1625 KIA

P1625 KIA Code - Engine Coolant Blower Motor Relay High Speed Circuit Malfunction

Quick Answer

The P1625 KIA code indicates that there is a malfunction in the high-speed circuit of the engine coolant blower motor relay. Common causes include Faulty engine coolant blower motor relay, Wiring issues or damaged connections, Blown fuse related to the blower motor circuit. 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
P1625 KIA indicates Engine Coolant Blower Motor Relay High Speed Circuit Malfunction.
Common causes
Common causes include Faulty engine coolant blower motor relay, Wiring issues or damaged connections, Blown fuse related to the blower motor circuit.
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.
Table of contents Created and updated by William Orellana on Aug 30, 2024
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Code P1625 KIA Description

The P1625 KIA code indicates that there is a malfunction in the high-speed circuit of the engine coolant blower motor relay. The engine coolant blower motor is responsible for cooling the engine by circulating air through the radiator. When the relay that controls the high-speed operation of this motor fails or malfunctions, it can lead to inadequate cooling of the engine, potentially causing overheating and damage to the engine components. This issue can result in poor engine performance, reduced fuel efficiency, and increased emissions.

OBDII Code P1625 KIA - Engine Coolant Blower Motor Relay High Speed Circuit Malfunction
P1625 KIA Code - Engine Coolant Blower Motor Relay High Speed Circuit Malfunction

Common Causes of P1625 KIA

  1. Faulty engine coolant blower motor relay
  2. Wiring issues or damaged connections
  3. Blown fuse related to the blower motor circuit
  4. Defective engine coolant blower motor
  5. Issues with the Engine Control Module (ECM)

Symptoms of P1625 KIA

  1. Engine overheating
  2. Engine coolant temperature fluctuation
  3. Check Engine Light illuminated
  4. Reduced air conditioning performance
  5. Engine stalling or rough idling

How to Fix P1625 KIA

  1. Diagnose the issue by checking the engine coolant blower motor relay, wiring, and connections.
  2. Test the relay to determine if it is functioning correctly.
  3. Inspect the fuse related to the blower motor circuit and replace if necessary.
  4. Check the engine coolant blower motor for any defects and replace if needed.
  5. Clear the diagnostic trouble codes and test the vehicle to ensure the issue has been resolved.

Cost to Fix P1625 KIA

The typical repair costs for addressing the P1625 KIA code can vary depending on the specific cause of the issue. However, the estimate for parts and labor could range from $150 to $400. It's important to note that these are rough estimates, and actual costs may differ based on the location, vehicle make and model, and labor rates at the repair shop. It's recommended to consult with a qualified mechanic or repair shop for an accurate cost estimate.

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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 P1625 KIA Code

1. What does the OBDII code P1625 mean for a KIA vehicle?

P1625 indicates a malfunction in the high-speed circuit of the engine coolant blower motor relay, which is responsible for controlling the cooling fan at higher speeds.

2. What are the common symptoms of the P1625 code?

Symptoms may include engine overheating, cooling fans not operating at high speed, an illuminated check engine light, or unusual fan noises.

3. What causes the P1625 code to appear?

The code can be triggered by a faulty blower motor relay, damaged wiring or connectors in the fan circuit, a malfunctioning cooling fan motor, or a problem with the vehicle's ECU.

4. Can I continue driving with the P1625 code active?

Driving with the P1625 code is not recommended, as it may lead to engine overheating, potentially causing severe engine damage.

5. How is the P1625 code diagnosed?

A technician will typically check the relay, wiring, and cooling fan motor for damage or faults, perform a continuity test on the circuit, and inspect for any related codes.

6. What repairs are commonly needed to fix the P1625 code?

Repairs may involve replacing the blower motor relay, repairing or replacing damaged wiring, replacing the cooling fan motor, or reprogramming the ECU if necessary.

7. How much does it cost to repair the P1625 code?

The cost can vary depending on the underlying issue, but replacing a relay or repairing wiring typically costs between $100 and $300, excluding diagnostic fees.

8. Can a bad cooling fan cause the P1625 code?

Yes, a malfunctioning cooling fan motor can cause the high-speed circuit to fail, triggering the P1625 code.

9. How can I prevent the P1625 code from occurring?

Regular maintenance, including inspecting wiring and connectors for damage and ensuring the cooling fan system operates correctly, can help prevent this code.

10. Is the P1625 code specific to KIA vehicles?

While P1625 is a generic OBDII code, its exact meaning and application can vary by manufacturer. For KIA vehicles, it specifically refers to the engine coolant blower motor relay high-speed circuit malfunction.

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