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Home >> Jeep >> 2023 >> Wagoneer Carbide, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 27 (5.7L - DTCS U1199 To U1817) >> DTC Troubleshooting >> U1817-Lost Communication With Hybrid Powertrain Control Module On D-Pt

U1817-Lost Communication With Hybrid Powertrain Control Module On D-Pt

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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 .