Hyundai DTC P1404 – Fuel tank leakage diagnostic module – heater malfunction
DTC P1404 meaning on Hyundai
The DTC P1404 for Hyundai refers to the Fuel Tank Leakage Diagnostic Module – Heater Malfunction. This diagnostic trouble code indicates an issue with the heater function of the fuel tank leakage diagnostic module.
Hyundai DTC P1404 symptoms
Common symptoms associated with Hyundai DTC P1404 may include:
- Check Engine Light illuminated on the dashboard
- Decreased fuel efficiency
- Difficulty starting the vehicle
Hyundai DTC P1404 causes
The potential causes of Hyundai DTC P1404 include:
- Faulty fuel tank leakage diagnostic module heater
- Wiring issues or electrical connections related to the heater circuit
- Defective temperature sensor
Hyundai DTC P1404 seriousness
While Hyundai DTC P1404 may not cause immediate drivability issues, it is important to address this problem promptly to prevent potential fuel system malfunctions and ensure proper emissions control.
How to diagnose DTC P1404 on Hyundai
To diagnose DTC P1404 on a Hyundai, a mechanic may perform the following steps:
- Use a diagnostic scanner to retrieve the trouble codes
- Inspect the fuel tank leakage diagnostic module and its heater circuit for any visible damage
- Check the wiring and connections for continuity and proper voltage
- Test the temperature sensor for proper operation
How to fix DTC P1404 on Hyundai
To fix Hyundai DTC P1404, the following steps may be taken:
- Replace the faulty fuel tank leakage diagnostic module heater
- Repair any damaged wiring or connections in the heater circuit
- Replace the temperature sensor if found to be defective
How to erase DTC P1404 on Hyundai
To erase DTC P1404 on a Hyundai, the code can be cleared using a diagnostic scanner. After addressing the underlying issue causing the code, the scanner can be used to clear the code from the vehicle’s computer system.
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