Jeep Renegade 2019 — technical service bulletin
Bulletin 21-026-20 · NHTSA communication 10174256 · issued Mar 27, 2020
Technical service bulletin
communication type
Electrical System
component
2019
model years
1
vehicle entries
Official summary
Flash: Transmission Control Module (TCM) Updates This bulletin involves reprogramming the TCM with the latest available software. Some customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation, a technician may find oneor more of the following Diagnostic Trouble Codes (DTCs) have been set:P0780 - Gear Shift Malfunction. P1DD2-00 - Torque Request Signal From TCM Denied. Customers or technicians may experience the following:Transmission will be placed into Limp-in mode. While driving at 65 kph (40 mph) a bump will be felt and the RPM will jumpto 4000 RP
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.