P1404 - EGR Position Sensor Rationality Closed

Repair Importance Level: 2/3
Repair Difficulty Level: 2/3  What does this mean?
Possible causes
- Carbon blockage of the pintle
- Faulty Exhaust Gas Recirculation (EGR) valve
  What does this mean?
Possible symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P1404 Description

The Powertrain Control Module (PCM) determines that the EGR valve is stuck open if the actual Exhaust Gas Recirculation (EGR) position and the learned closed EGR position vary by more than a predetermined value. The PCM tests for a stuck valve when the desired EGR position is at 0%. The PCM commands the EGR valve to 100% during certain driving conditions in order to clear a possible restriction from the EGR valve if the PCM determines that the valve is stuck open. The PCM retests for a stuck valve when the desired EGR position returns to 0%. A failure timer increments if the stuck EGR valve condition is still present. This DTC sets when the timer reaches a predetermined value.

P1404 Information for specific makes
P1404 ACURA EGR Valve Stuck Closed
P1404 AUDI EGR Flow Basic Setting Not Carried Out
P1404 BMW Heated Catalyst Current too High During Heating Bank 2
P1404 BUICK Exhaust Gas Recirculation Closed Position Performance
P1404 CADILLAC Exhaust Gas Recirculation Closed Position Performance
P1404 CHEVROLET Exhaust Gas Recirculation Closed Position Performance
P1404 CHRYSLER EGR Position Sensor Rationality Closed
P1404 DODGE EGR Position Sensor Rationality Closed
P1404 FORD EGR Valve Stuck Closed
P1404 GMC Exhaust Gas Recirculation Closed Position Performance
P1404 HONDA EGR Valve Stuck Closed
P1404 HYUNDAI DMTL Heater Circuit
P1404 ISUZU EGR Valve Stuck Closed
P1404 JEEP EGR Position Sensor Rationality Closed
P1404 KIA Leak Detection Module Solenoid Valve Circuit Fault
P1404 MITSUBISHI EGR Position Sensor Rationality Closed
P1404 PONTIAC Exhaust Gas Recirculation Closed Position Performance
P1404 SATURN Exhaust Gas Recirculation Closed Position Performance
P1404 SUZUKI EGR Closed Valve Pintle Error
P1404 VOLKSWAGEN EGR Flow Basic Setting Not Carried Out
Related Information
Repair Importance Level: 2
 
1=Low 2=Medium 3=High  
Repair Difficulty Level: 2
 
1=Easy 2=Moderate 3=Hard  
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