JEEP

21-026-20

Manufacturer communications

Publication date: 2020-03-27
Received by NHTSA: 2020-04-27
NHTSA record numbers: 10174256 · 10175176 · 10175589

Multiple filings of the same bulletin are grouped here; original record numbers remain available.

Manufacturer summary

Original wording in English

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 RPM.

NHTSA manufacturer communications ↗

Reported code forms

P0780 P1DD2

Manufacturer wording

Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.

JeepP0780

Gear Shift Malfunction

NHTSA 10162569 · NHTSA 10162574 · NHTSA 10174235

JeepP1DD2-00

Torque Request Signal From TCM Denied

NHTSA 10168484 · NHTSA 10168489 · NHTSA 10174242

Check vehicle applicability

A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

Make	Model	Model year
Jeep	RENEGADE	2019

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