Home21-003-25 · JEEP
JEEP

21-003-25

Manufacturer communications

Publication date
2025-01-11
Received by NHTSA
2025-01-14
NHTSA record numbers
11012831

Manufacturer summary

Original wording in English

"Flash: Transmission Control Module (TCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs):
• P0810-00 - Clutch Position Control Error.
• P16F0-00 - SPI Comm Hardware Fault. Customers may also comment on one or more of the following:
• K0 Adaptation routine runs when vehicle stationary and EV Mode.
• Vehicle loses propulsion capability.
• Service transmission warning indicator is on. NOTE: Require key cycle to recover.
• Shifts rough occasionally when coming down to a stop.
• Shifts rough occasionally when accelerating.
• Shifts rough when transitioning from EV to Hybrid operation on low SoC.
• Shifts rough when engines starts.
• On part throttle accelerations with little to no battery available the transition from battery power to engine on is harsh and abrupt.
• The engine oil life on dashboard drops down too fast when the engine oil dilution reaches high level without the ability to recover. This bulletin involves reprogramming the TCM with the latest available software."

NHTSA manufacturer communications ↗

Reported code forms

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 CHEROKEE2023
JeepGRAND CHEROKEE L2023

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