P1623 Hyundai Code - Radiator Cooling Fan Malfunction
Quick Answer
P1623 - Malfunction Indicator Lamp (MIL) Open/Short P1623 - Engine Check Lamp - Malfunction P1623 - Radiator Cooling Fan - Malfunction Common causes include Faulty Radiator Cooling Fan, Radiator Cooling Fan harness is open or shorted, Radiator Cooling Fan 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
- P1623 Hyundai indicates Radiator Cooling Fan Malfunction.
- Common causes
- Common causes include Faulty Radiator Cooling Fan, Radiator Cooling Fan harness is open or shorted, Radiator Cooling Fan 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.
Code P1623 Hyundai Description
P1623 - Engine Check Lamp - Malfunction
P1623 - Radiator Cooling Fan - Malfunction
What are the Possible Causes of the DTC P1623 Hyundai?
- Faulty Radiator Cooling Fan
- Radiator Cooling Fan harness is open or shorted
- Radiator Cooling Fan circuit poor electrical connection
How to Fix the DTC P1623 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.
Code Tech Notes
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P1623 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.
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Frequently Asked Questions about P1623 Hyundai Code
1. What does OBDII code P1623 in a Hyundai mean?
Code P1623 indicates a malfunction in the radiator cooling fan system, which may prevent the fan from operating properly to cool the engine.
2. What are the symptoms of code P1623 in a Hyundai?
Symptoms include engine overheating, the radiator cooling fan not running, reduced engine performance, and potentially the activation of a check engine light.
3. What causes the P1623 code in a Hyundai?
Common causes include a faulty radiator cooling fan motor, damaged wiring or connectors, a malfunctioning fan relay, or issues with the engine control module (ECM).
4. Can I drive my Hyundai with code P1623?
Driving with this code can lead to engine overheating, which may cause severe engine damage. It’s best to address the issue promptly.
5. How do I diagnose code P1623 in a Hyundai?
Start by inspecting the cooling fan, wiring, and connectors for damage. Then test the fan relay and check for any ECM-related issues using an automotive scanner.
6. How do I fix code P1623 in a Hyundai?
Repairs may include replacing the radiator cooling fan motor, repairing damaged wiring, replacing the fan relay, or reprogramming or replacing the ECM.
7. How much does it cost to fix code P1623 in a Hyundai?
Costs depend on the specific repair needed, ranging from $50-$150 for a fan relay replacement to $300-$800 for a cooling fan assembly or ECM repair.
8. Can a dirty cooling fan cause code P1623 in a Hyundai?
While dirt alone is unlikely to cause the code, excessive debris or damage to the fan can lead to malfunction and trigger the code.
9. Will resetting the check engine light fix code P1623?
Resetting the light may clear the code temporarily, but the underlying issue must be repaired to prevent the code from returning.
10. Is the radiator cooling fan controlled by the ECM in a Hyundai?
Yes, the ECM often controls the radiator cooling fan’s operation based on engine temperature and other sensor inputs.
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