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August 18, 2021 Service bulletin

Compressor assembly

Jeep technical service bulletin 9004407-1 for 2021 Jeep Grand Cherokee and 2020-2022 Ram 3500.

Bulletin number
9004407-1
Component
Suspension
Summary
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 .

Owners of these vehicles have filed 33 complaints in the suspension category.

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