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Home >> Dodge and Ram >> 2023 >> ProMaster 2500 >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> Body Control Module (BCM) - DTCS U170-86 To U1935-8F >> DTC Troubleshooting >> U171A-86-Orc (Occupant Restraint Control)-Signal Invalid

U171A-86-Orc (Occupant Restraint Control)-Signal Invalid

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 .