For a complete wiring diagram Refer to Section 8WWhen Monitored:Continuously with the ignition on, one valid CAN message received at least once, and no U0002-CAN C Bus Off Performance DTC present.Set Condition:When the Anti-Lock Brake Module detects an incorrect CAN message from the Transmission Control Module (TCM).Possible CausesTIPM CAN BUS DTCSTRANSMISSION DTCSANTI-LOCK BRAKE MODULE1. CHECK IF TIPM CAN BUS DTCS ARE PRESENTWith the scan tool, read TIPM DTCs.Are there any TIPM CAN BUS DTCs present?YesRefer to 8-ELECTRICAL/ELECTRONIC CONTROL MODULES - DIAGNOSIS AND TESTING and diagnose the appropriate symptom.Perform ABS VERIFICATION TEST. (Refer to 5 - BRAKES - STANDARD PROCEDURE). NoGo To 22. CHECK IF TRANSMISSION DTCS ARE PRESENTWith the scan tool, read Transmission DTCs.Are there any Transmission DTCs present?YesRefer to the 21 - TRANSMISSION ELECTRICAL DIAGNOSTICS and diagnose the appropriate symptom.Perform ABS VERIFICATION TEST. (Refer to 5 - BRAKES - STANDARD PROCEDURE). NoUsing the schematics as a guide, check the Anti-Lock Brake Module pins, terminals, and connectors for corrosion, damage, or terminal push out. Pay particular attention to all power and ground circuits. If no problems are found, replace the Anti-Lock Brake Module per the Service Information. Perform ABS VERIFICATION TEST. (Refer to 5 - BRAKES - STANDARD PROCEDURE).