DTC Set Condition
WARNING: This page is about a different car, the 2004 Mitsubishi Galant. However, it is still accessible from the selected car via links, so may be relevant.
The multi-center display unit (middle grade type) communicates with the powertrain control module via CAN bus lines. If failure information is sent to the multi-center display unit (middle grade type), DTC 20 will be set.