Flash: Air Suspension Control Module (ASCM) Updates This bulletin involves reprogramming the ASCM with the...
Ram technical service bulletin 08-041-19 REV. A for 2019 Ram 2500 and 2019 Ram 3500.
- Bulletin number
- 08-041-19 REV. A
- Component
- Suspension
- Summary
- Flash: Air Suspension Control Module (ASCM) Updates This bulletin involves reprogramming the ASCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that one or more of the following DTCs have been set:C220C-48 - Active Suspension Module Internal-Supervision Software Failure. C211B-92 - Ignition Run/Start Input-Performance Or Incorrect Operation. C156C-7A - Ride Height System Air Leak-Fluid Leak Or Seal Failure. In addition the customer may describe:Excessive operation or noise from air suspension system when vehicle is stationary. "Air Suspension Disabled" message when attempting Bed Lowering Mode (BLM). Excessive compressor valve cycling following a cold start(Diesel engine only). Erroneous "Bed Low Achieved" message through the Instrument Panel Cluster (IPC), when requesting lowering, even though the truck didn't physically lower. Ride height changes/valve actuations without operator request on rough roads.
Owners of these vehicles have filed 9 complaints in the suspension category.
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