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May 18, 2026 Service bulletin

After Electric Power Steering (EPS) Replacement, Diagnostic Trouble Code (DTC) C221C-00 ECU Not...

Jeep technical service bulletin S2123000070 REV.A for 2021 Jeep Grand Cherokee, 2021 Jeep Grand Cherokee L and 2021 Jeep Grand Cherokee 4xe.

Bulletin number
S2123000070 REV.A
Component
Electrical system
Summary
After Electric Power Steering (EPS) Replacement, Diagnostic Trouble Code (DTC) C221C-00 ECU Not Programmed/Flash Required Is Set

Owners of these vehicles have filed 143 complaints in the electrical category.

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