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Home >> Jeep >> 2025 >> Grand Cherokee Altitude, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 27 (8P75PH Automatic Transmission - DTCS P2881-00 To U0405-00) >> DTC Troubleshooting >> U0287-00 Lost Communication With Transmission Fluid Pump Module 1 >> Theory Of Operation

Theory Of Operation

WARNING: This page is about a different car, the 2025 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.

The purpose of this DTC is to indicate that there is a LIN Bus failure of the Integrated Electric Pump (IEP).

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