Flash: Drivetrain Control Module (DTCM) Updates This bulletin involves reprogramming the DTCM with the...
Jeep technical service bulletin 0810322REVA for 2021 Jeep Grand Cherokee.
- Bulletin number
- 0810322REVA
- Component
- Electrical system
- Summary
- Flash: Drivetrain Control Module (DTCM) Updates This bulletin involves reprogramming the DTCM with the latest available software. Customers may experience a ?Service 4WD message? illumination. Upon further investigation the technician may find one or more of the following DTCs have been set: C1472-92 - Transfer Case Clutch Control-Performance Or Incorrect Operation(Sales Code DHY only). If any of these DTCs C1472-92, C149D-54 or C2206-56 are present(Sales Code DHY only), proceed toStep 4of the Repair Procedure. C1463-94 - Front Axle Disconnect Control-Unexpected Operation. The customer may also experience the following:Service 4WD light illuminated. Front axle does not engage when selected.
Owners of these vehicles have filed 115 complaints in the electrical category.
Vehicles covered
- Jeep Grand Cherokee 2021 2021
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