Chevrolet P1404: Exhaust Gas Recirculation Error (EGR Solenoid 2)
Is your scanner showing Chevrolet P1404?
No worries. We'll show you what it means and how to deal with it.
Chevrolet P1404: Exhaust Gas Recirculation Error (EGR Solenoid 2)
OVERVIEWWhat Does The Chevrolet P1404 Code Mean?
Engine started; ECT sensor more than 183ºF, vehicle driven while in 1st or 2nd gear to a speed over 20 mph at an engine speed of 1000-1488 rpm, then vehicle in coast-down mode, HO2S signal over 566 mv, A/C Clutch “off”.
What Are The Potential Causes Of The Chevrolet P1404 Code?
- EGR tube is clogged or restricted, or the EGR valve is sticking
- EGR Solenoid 2 control circuit is open or shorted to ground
How Can You Fix The Chevrolet P1404 Code?
Inspect for the following:
- Important: Remove any debris from the connector surfaces before servicing a component.
- Inspect the connector gaskets when diagnosing or replacing a
component. Ensure that the gaskets are installed correctly. The gaskets prevent contaminate intrusion. - Poor terminal connection.
- Damaged harness.
- Inspect the PCM and the engine grounds for clean and secure connections.
Recommended Parts
Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Check This Video For Reference
Reference Sources
- 2000 Chevrolet Camaro and Pontiac Firebird Service Manual – Volume 1, page 1752.
- GM, 2013, Service Bullettin – Prior To Any Circuit Testing.
- GM, 2012, Service Bullettin – Intermittent Malfunction Indicator Lamp (MIL) and PCM DTC P1404 (Recalibrate PCM).
