P1404 Audi Code - EGR Flow Basic Setting Not Carried Out
Quick Answer
P1404 Audi indicates EGR Flow Basic Setting Not Carried Out. Common causes include Faulty EGR Valve, Blocked EGR passages, EGR Valve hose connections. Severity is Moderate - service should be scheduled soon. The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.
- What it means
- P1404 Audi indicates EGR Flow Basic Setting Not Carried Out.
- Common causes
- Common causes include Faulty EGR Valve, Blocked EGR passages, EGR Valve hose connections.
- Severity
- Moderate - service should be scheduled soon.
- Can I drive?
- The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.
Code P1404 Audi Description
What are the Possible Causes of the DTC P1404 Audi?
- Faulty EGR Valve
- Blocked EGR passages
- EGR Valve hose connections
- EGR Valve harness is ope or shorted
- EGR Valve circuit poor electrical connection
How to Fix the DTC P1404 Audi?
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 P1404 Audi 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 P1404 Audi Code
What does the OBDII code P1404 mean for an Audi?
P1404 indicates that the Exhaust Gas Recirculation (EGR) system’s basic settings have not been carried out properly, often due to a malfunction or incorrect calibration.
What are the common symptoms of the P1404 code?
Symptoms may include a check engine light, rough idling, decreased fuel efficiency, engine hesitation, or excessive emissions.
What causes the P1404 code to appear on an Audi?
Common causes include a faulty EGR valve, carbon buildup in the EGR system, wiring or connector issues, or a failed attempt to perform basic settings during diagnostics.
Can driving with the P1404 code damage my Audi?
Driving with this code for an extended period can lead to increased engine wear, reduced fuel economy, and possible emission system damage.
How can I fix the P1404 code on my Audi?
Start by cleaning or replacing the EGR valve, checking connections and wiring, and ensuring proper basic settings are performed using a diagnostic tool.
Do I need special tools to clear the P1404 code?
Yes, a compatible OBDII scan tool is needed to perform the EGR basic settings and clear the code after repairs.
Can the P1404 code be caused by software issues?
Yes, outdated or corrupted ECM software can sometimes cause improper EGR calibration, leading to the P1404 code.
How much does it cost to repair the P1404 code on an Audi?
Costs vary, but cleaning the EGR valve may cost around $100, while replacing it could range from $200 to $500 depending on labor and parts.
Should I clean or replace the EGR valve for the P1404 code?
Start with cleaning the valve if it’s not severely damaged; replace it if cleaning doesn’t resolve the issue or the valve is faulty.
How can I prevent the P1404 code from recurring?
Regular maintenance, including cleaning the EGR system and ensuring diagnostic procedures are properly completed, can help prevent this code from recurring.
Discuss the causes and fixes for P1404 Audi OBDII Code
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