Home21-048-19 · JEEP
JEEP

21-048-19

Manufacturer communications

Publication date
2019-12-21
Received by NHTSA
2020-01-21
NHTSA record numbers
10170413

Manufacturer summary

Original wording in English

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 one or more of the following Diagnostic Trouble Codes (DTCs) have been set: P0979-00 - Shift Solenoid 3 Control Circuit Low. P0219-00 - Engine Overspeed Condition. In addition, the customer may notice the following condition:A harsh shift on coast down 3-2 or 2-1.

NHTSA manufacturer communications ↗

Reported code forms

P0219P0979

Manufacturer wording

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

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MakeModelModel year
JeepGRAND CHEROKEE2018

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