Action Taken When the DTC Sets

WARNING: This page is about a different variant/trim than selected.

DTC P20A0 is a Type A DTC.
DTC P1046, P20A2 and P20A3 are Type B DTCs.
The ECM inhibits the reductant system when DTC P20A0, P20A2 or P20A3 is set.
Service Emission System message is displayed on the driver information center (DIC).
The ECM commands the engine to operate in Reduced Engine Power mode.
The driver information center may display the Engine Power Is Reduced message.