Check a VIN

April 16, 2021 Service bulletin

Gear Ratio DTC?s, Transmission Shift Concerns, Does Not Shift At Times, Shudders

Jeep technical service bulletin S1821000001 for 2012-2021 Jeep Grand Cherokee, 2012-2021 Jeep Wrangler and 2014-2021 Jeep Cherokee and others.

Bulletin number
S1821000001
Component
Power train
Summary
Gear Ratio DTC?s, Transmission Shift Concerns, Does Not Shift At Times, Shudders

Owners of these vehicles have filed 16,555 complaints in the transmission category.

Vehicles covered

VIN decoder

See the problems and recalls for an exact car

Buying a used Jeep Grand Cherokee?

Check the exact car before you pay: accidents, salvage or flood titles, odometer readings and previous owners.

Check its history