Check a VIN

February 12, 2026 Service bulletin

Check Engine Light On And Service Hybrid System Displayed

Jeep technical service bulletin S2108000121 REV.B for 2022-2026 Jeep Grand Cherokee 4xe and 2021-2026 Jeep Wrangler 4xe.

Bulletin number
S2108000121 REV.B
Component
Electrical system
Summary
Check Engine Light On And Service Hybrid System Displayed. P0A0A-00 High Voltage System Interlock Circuit “A” Is Active

Owners of these vehicles have filed 269 complaints in the electrical category.

Vehicles covered

VIN decoder

See the problems and recalls for an exact car

Buying a used Jeep Grand Cherokee 4xe?

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

Check its history