July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

DTC C1421: ECM Control System

NOTE: Refer to "DTC C1422 VDC INTERRUPTION FOR ENGINE CONVENIENCE" for diagnostic procedure. Ref. to BRAKE CONTROL (DIAGNOSTICS)>DIAGNOSTIC PROCEDURE WITH DIAGNOSTIC TROUBLE CODE (DTC)>DTC C1422 VDC INTERRUPTION FOR ENGINE CONVENIENCE .