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Home >> Jeep >> 2019 >> Renegade High Altitude, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1376 ((Electronic Steering Lock (ESL) Module - Electrical Diagnostics)) >> DTC Troubleshooting >> U1701-86-Engine Control Module (ECM) - Signal Invalid

U1701-86-Engine Control Module (ECM) - Signal Invalid

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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 .