Jeep Grand Cherokee 2023 — technical service bulletin
Bulletin 0819723 · NHTSA communication 10243251 · issued Aug 11, 2023
Technical service bulletin
communication type
Electrical System
component
2023
model years
1
vehicle entries
Official summary
No Crank and Horn Continually Going Off Customers may experience one or more of the following: ? Engine no crank/no start. ? Horn continually sounds off. This bulletin involves inspecting the PDC for traces of coolant and possibly replacing the under hood PDC.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.