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Home >> Chrysler >> 2011 >> 300 C, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 275 ((Air Suspension Control Module (ASCM) - Electrical Diagnostics - 1500)) >> Diagnosis And Testing >> C2212-00-Ecu In - Plant Mode >> Theory Of Operation

Theory Of Operation

WARNING: This page is about a different car, the 2013 RAM 1500. However, it is still accessible from the selected car via links, so may be relevant.

The Air Suspension Control Module (ASCM) has a special diagnostic mode called "in-plant mode". Whenever any ASCM diagnostic routine is run the ECU will stop normal operation and enter this mode. All leveling functions will be disabled while in this mode. This is so that the technician can work on the vehicle knowing that the air suspension will not automatically readjust itself. The Service Air Suspension Message will be displayed on the cluster when this fault is first active

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