Service bulletin 9004123
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
| Type | Service bulletin |
|---|---|
| NHTSA id | 10170308 |
| Published by NHTSA | 2020-01-21 |
| Manufacturer's number | 9004123 |
| Manufacturer's date | 2019-12-11 |
| NHTSA component | SUSPENSION |
NHTSA's summary
DJ D2 Air Suspension Related Components For an air suspension light or any air suspension concern on 2019 or 2020 MY DJ D2, please call Phil Cataldo at (248) 220-0559 or Yussimil Libera at (248) 550-6086. If no response in 15 minutes, proceed with repair. Please be sure to accurately document the events and conditions associated with these concerns.
The document
The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.
Components
Suspension
| RAM 2500 | 2019, 2020 |
|---|---|
| RAM 3500 | 2019, 2020 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 02-002-25 REV. A | 2025-09-17. Service bulletin. Shock And Strut Diagnosis And Replacement Guidelines Leaking, noisy, or weak shocks or struts. |
|---|---|
| 02-002-25 | 2025-05-30. Service bulletin. "Shock And Strut Diagnosis And Replacement Guidelines Leaking, noisy, or weak shocks or struts. " |
| 9100229 | 2023-10-30. Service bulletin. LIFTER, Hydraulic Roller Deactivating Please do not replace MDS lifters because the disconnecting pin is not lined up, this is normal and not a defect. |
| 9004383 | 2022-10-17. Service bulletin. TORSION ROD, Storage Bin (Rambox) If the Rambox storage bin Torsion Rods are being replaced for the lid not opening issue, replace the complete Rambox Bin and Lid assembly with all of the sub components instead of just replacing the Torsion Rods only. Please ship the complete Rambox Bin and Lid assembly without dis-assembling the lid or hinges to QEC. Please contact FCA Redacted Content to set up the part return to QEC. If no response in 15 minutes, proceed with repair. |
| 0807320 | 2022-09-26. Service bulletin. 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 moreof the following DTCs have been set: U0132 - Loss of Communication with Air Suspension Control Module. C15E1-97 - Left Rear Air Spring Intake - Component or System Operation Obstructedor Blocked. C220C-48 - Active Suspension Module Internal-Supervision Software Failure(2019 MY Only). C211B-92 - Ignition Run/Start Input-Performance Or Incorrect Operation(2019 MY Only). C156C-7A - Ride Height System Air Leak-Fluid Leak Or Seal Failure(2019 MY Only). In addition the customer may describe: Air spring deflated or ruptured. Right/left rear suspensions sits lower than the other side. During key ?On? or while driving, the ?service air suspension?light illuminates. Chime and "Service Air Suspension Immediately" message appeared in the clusterfor 5 seconds. Air suspension system is inoperable. Excessive operation or noise from air suspension system when vehicle is stationary(2019 MY Only). "Air Suspension Disabled" message when attempting Bed Lowering Mode (BLM)(2019 MY Only). Excessive compressor valve cycling following a cold start(2019 MY with Diesel engine only). Erroneous "Bed Low Achieved" message through the Instrument Panel Cluster (IPC), when requesting lowering, even though the truck didn'tphysically lower. Ride height changes/valve actuations without operator request on rough roads. |
| S1917000002 | 2022-09-26. Service bulletin. ASCM U0132 Loss Of Communication With Suspension Control Module (IPC) DTC |
| 9004407-1 | 2022-09-15. Service bulletin. COMPRESSOR ASSEMBLY, Air Suspension, Module ASCM replacement is rarely necessary. If the DTC is stored and able to be cleared, component replacement is not necessary. Please follow the service procedures to attempt to clear any active fault(s) which includes module hard reset, full CAN power down/sleep, or DTC clear in WiTech. Please contact FCA Redacted Content prior to any ASCM replacement at FCA Redacted Content If no response within 15 minutes, please proceed with repair. Any new module requires a flash following installation regardless of whether the current part number is up-to-date . |
| 08-175-21 | 2021-12-13. Service bulletin. 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:U0132 - Loss of Communication with Air Suspension Control Module. C15E1-97 - Left Rear Air Spring Intake - Component or System Operation Obstructed or Blocked. C220C-48 - Active Suspension Module Internal-Supervision Software Failure(2019 MY Only). C211B-92 - Ignition Run/Start Input-Performance Or Incorrect Operation(2019 MY Only). C156C-7A - Ride Height System Air Leak-Fluid Leak Or Seal Failure(2019 MY Only). In addition the customer may describe:Air suspension system is inoperable. During key ?On? or while driving, the ?service air suspension? light illuminates. Air spring deflated or ruptured. Right/left rear suspensions sits lower than the other side. Chime and "Service Air Suspension Immediately" message appeared in the cluster for 5 seconds. Excessive operation or noise from air suspension system when vehicle is stationary(2019 MY Only). "Air Suspension Disabled" message when attempting Bed Lowering Mode (BLM)(2019 MY Only). Excessive compressor valve cycling following a cold start(2019 MY with 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. |
| S2121000010 | 2021-06-28. Service bulletin. Service 4WD Lamp On, 4WD System Does Not Work, 4WD Service Lamp Flashing, Front Axle Disconnect Does Not Engage Or Disengage |
| S1917000002 Rev. | 2021-05-24. Service bulletin. ASCM U0132 Loss Of Communication With Suspension Control Module (IPC) DTC |