Jeep TSB #21-020-20
2020 Jeep Cherokee
Affected Component: EXTERIOR LIGHTING
- Summary
- Flash: Transmission Control Module (TCM) Updates This bulletin involves reprogramming the TCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that the following Diagnostic Trouble Code (DTC) has been set:P1614 - ECU Reset-Recovery Occurred.