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Home >> Chrysler >> 2009 >> 300 Signature Series >> Repair and Diagnosis >> External Pages >> Different car >> Section 279 (HVAC Systems (Service Information)) >> Diagnosis and Testing >> Heating And A/C Systems >> On-Board Diagnostics >> Display Sequencing - MTC System

Display Sequencing - MTC System

WARNING: This page is about a different car, the 2010 Dodge Charger and 2010 Chrysler 300. However, it is still accessible from the selected car via links, so may be relevant.

MTC system DTCs will display in ascending numerical order but not in chronological order. Active DTCs will display before stored DTCs. If there are active and stored DTCs for the same parameter, the A/C-heater control will NOT display the stored DTC for that parameter. The EBL status indicator will illuminate and remain illuminated while the A/C-heater control is displaying stored DTCs. After displaying all active and stored DTCs, the A/C-heater control restarts at the beginning, displaying all DTCs again. To restart the sequence from the beginning while the A/C-heater control is displaying DTCs, press the EBL mode switch down, and then release it. This will cause the A/C-heater control to quit displaying the present code, turn off all LEDs for 2.0 seconds, and then it will begin flashing all DTCs again from the beginning.