P1404 GMC Code - Exhaust Gas Recirculation Closed Position Performance
Quick Answer
The P1404 GMC OBD-II trouble code relates to the Exhaust Gas Recirculation (EGR) system of a vehicle. Common causes include Faulty EGR valve, Clogged EGR passages, Electrical issues with the EGR valve circuit. 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 GMC indicates Exhaust Gas Recirculation Closed Position Performance.
- Common causes
- Common causes include Faulty EGR valve, Clogged EGR passages, Electrical issues with the EGR valve circuit.
- 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.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code P1404 GMC Description
The P1404 GMC OBD-II trouble code relates to the Exhaust Gas Recirculation (EGR) system of a vehicle. The EGR system is responsible for reducing harmful emissions by recirculating a portion of the engine's exhaust gases back into the combustion chamber. The closed position performance refers to a problem with the EGR valve not closing properly or not maintaining the correct position, which can lead to various issues in the vehicle's performance.
Common Causes of P1404 GMC
- Faulty EGR valve
- Clogged EGR passages
- Electrical issues with the EGR valve circuit
- Malfunctioning EGR position sensor
- Vacuum leaks affecting the EGR system
Symptoms of P1404 GMC
- Check Engine Light illuminated on the dashboard
- Rough idle or engine misfires
- Reduced fuel efficiency
- Engine stalling or hesitation
- Increased emissions
How to Fix P1404 GMC
- Diagnose the issue using a scan tool to confirm the P1404 code and identify the specific cause of the problem.
- Inspect the EGR valve, passages, and related components for any signs of damage, wear, or blockages.
- Test the EGR valve operation and position sensor to ensure they are functioning correctly.
- Clean or replace the EGR valve and passages as needed, addressing any clogs or buildup.
- Reset the Check Engine Light after repairing the issue and test drive the vehicle to confirm proper operation.
Cost to Fix P1404 GMC
The typical repair costs for addressing a P1404 GMC code can vary depending on the specific cause of the issue and the labor rates in your area. On average, the repair for this problem can range from $150 to $500, including parts and labor. Keep in mind that diagnostic time and labor rates at auto repair shops can fluctuate based on factors such as location, vehicle make and model, and the complexity of the repair. It's recommended to obtain quotes from multiple shops to get a more accurate estimate for your situation.
Tech Notes for P1404 GMC
When is the Code Detected?
Need more information about the P1404 GMC code?
Need more information on how to fix the P1404 GMC code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P1404 GMC code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P1404 GMC Code
No Frequently Asked Questions about P1404 GMC Code found.
Discuss the causes and fixes for P1404 GMC OBDII Code
Code P1404 GMC comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.