Chevrolet P1409: Exhaust Gas Recirculation (EGR) System Performance
Is your scanner showing Chevrolet P1409?
No worries. We'll show you what it means and how to deal with it.
Chevrolet P1409: Exhaust Gas Recirculation (EGR) System Performance
OVERVIEWWhat Does The Chevrolet P1409 Code Mean?
Conditions for Setting the DTC: DTCs P0405, P0406, P0102 and P0103 not set. All MAF and EGR Control Pressure tests complete (internal to PCM). Engine at operating temperature. IAT greater than or equal to 20°C (68°F)
What Are The Potential Causes Of The Chevrolet P1409 Code?
A vacuum leak will cause a DTC P1409. Carefully check all vacuum lines and components connected to the hoses for leaks or deformities. Check vacuum source to EGR solenoid assembly. Also check for small leak in EGR valve, and proper vacuum line routing.
Recommended Parts
Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:
>>> MAYASAF EGR Valve 214-1080 Exhaust Gas Recirculation Valve for CHEVY
>>> Autobahn88 Silicone Vacuum Hose Dress Up DIY Kit
>>> Vacuum Connector Assortment,Automotive Vacuum Tubing Connector
>>> GM Genuine Parts 214-329 Exhaust Gas Recirculation (EGR) Vacuum Solenoid
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Reference Sources
GM, 2013, Service Bullettin – Prior To Any Circuit Testing.
