Conditions for Setting the DTC: P042E
WARNING: This page is about a different car, the 2009 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.
- The EGR position sensor is 0.4 volt more than the EGR Learned Minimum Position when the Desired EGR Position is commanded to 0 percent for 24 seconds.
- The EGR position sensor is more than 30 percent and is steady for 5 seconds after a test failure and before the next test will be run.
- The above conditions are met 4 times.