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Home >> Jeep >> 2023 >> Grand Cherokee Altitude, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 86 (8P75PH Automatic Transmission - DTCS P2881-00 To U1489-00) >> DTC Troubleshooting >> U0155-00 Lost Communication With Cluster/CCN

U0155-00 Lost Communication With Cluster/CCN

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The COMMUNICATION DIAGNOSTIC PROCEDURE MUST  be performed before replacing any component(s) or module(s). Perform the COMMUNICATION DIAGNOSTIC PROCEDURE. Refer to COMMUNICATION DIAGNOSTIC PROCEDURE .