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September 3, 2020 Service bulletin

Flash: Air Suspension Control Module (ASCM) Updates This bulletin involves reprogramming the ASCM with the...

Ram technical service bulletin 08-078-20 for 2020 Ram 1500.

Bulletin number
08-078-20
Component
Suspension
Summary
Flash: Air Suspension Control Module (ASCM) Updates This bulletin involves reprogramming the ASCM with the latest available software. Customers or technicians may experience a Malfunction Indicator Lamp (MIL) illumination after a battery disconnect. Upon further investigation the technician may find that the following Diagnostic Trouble Code (DTC) has been set along with a notification in the instrument panel cluster ?Service Air Suspension? after a battery disconnected and reconnect event.U0422-00 - Implausible Data Received From Body Control Module.

Owners of these vehicles have filed 14 complaints in the suspension category.

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