"Flash: Trailer Tow Module (TTM) Updates Customers may comment on one or more of the following: ● If the...
Jeep technical service bulletin 08-105-25 REV. A for 2021 Jeep Grand Cherokee, 2021 Jeep Grand Cherokee L and 2021 Jeep Grand Cherokee 4xe.
- Bulletin number
- 08-105-25 REV. A
- Component
- Electrical system
- Summary
- "Flash: Trailer Tow Module (TTM) Updates Customers may comment on one or more of the following: ● If the vehicle is traveling at less than 5 kph (3 mph) and the brake pedal is pressed, then both turn lights will flash for two milliseconds. ● If the vehicle is traveling at less than 5 kph (3 mph) and one turn light is activated, then the opposite turn light will flash for 20 milliseconds. NOTE: This issue only effects the trailer lighting This bulletin involves updating the TTM with the latest available software."
Owners of these vehicles have filed 143 complaints in the electrical category.
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