AutoCodesHyundai – P0624 Hyundai

P0624 Hyundai Code - Fuel Cap Lamp Control Circuit

Quick Answer

The Engine Control Module (ECM) turn the Fuel Cap Warning light ON and OFF and monitors when is turned ON. Common causes include Fuel cap circuit bulb faulty, Fuel cap circuit open or short circuit condition, Fuel cap 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
P0624 Hyundai indicates Fuel Cap Lamp Control Circuit.
Common causes
Common causes include Fuel cap circuit bulb faulty, Fuel cap circuit open or short circuit condition, Fuel cap 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 8,916
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on May 01, 2019
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Code P0624 Hyundai Description

The Engine Control Module (ECM) turn the Fuel Cap Warning light ON and OFF and monitors when is turned ON. The ECM sets the OBDII code when fails to light.
OBDII Code P0624 Hyundai - Fuel Cap Lamp Control Circuit - AutoCodes.com
P0624 Hyundai Code - Fuel Cap Lamp Control Circuit

What are the Possible Causes of the DTC P0624 Hyundai?

  • Fuel cap circuit bulb faulty
  • Fuel cap circuit open or short circuit condition
  • Fuel cap circuit poor electrical connection
  • Instrument cluster faulty

How to Fix the DTC P0624 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 P0624 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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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 P0624 Hyundai Code

1. What does the OBDII code P0624 mean for a Hyundai?

P0624 indicates an issue in the Fuel Cap Lamp Control Circuit, which monitors and controls the warning lamp for the fuel cap.

2. What are the common symptoms of the P0624 code in a Hyundai?

Symptoms include the fuel cap warning lamp staying on or not illuminating, and occasionally a check engine light may appear.

3. What causes the P0624 code in Hyundai vehicles?

Common causes include a faulty fuel cap lamp, wiring issues, a malfunctioning body control module (BCM), or corrosion in the circuit connections.

4. Can a loose or damaged fuel cap trigger the P0624 code?

No, a loose or damaged fuel cap typically triggers codes related to the EVAP system, not the Fuel Cap Lamp Control Circuit.

5. How do you diagnose the P0624 code in a Hyundai?

Diagnosis involves inspecting the wiring and connectors for damage or corrosion, testing the fuel cap lamp, and checking the BCM for faults.

6. Can a P0624 code affect vehicle performance?

No, this code does not directly affect vehicle performance, as it relates to the fuel cap warning lamp circuit.

7. What repairs can resolve the P0624 code in a Hyundai?

Repairs may include replacing the fuel cap lamp, repairing damaged wiring, cleaning corroded connectors, or replacing the BCM if necessary.

8. Is it safe to drive a Hyundai with the P0624 code?

Yes, it is generally safe to drive, but you should address the issue promptly to ensure proper circuit functionality.

9. How much does it cost to fix the P0624 code in a Hyundai?

Costs vary depending on the repair, ranging from $50–$200 for minor fixes like wiring repairs to $300–$800 for BCM replacement.

10. Can you clear the P0624 code without fixing the problem?

Clearing the code without addressing the root cause may temporarily remove the warning but will not resolve the underlying issue.

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