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TEST ACTION APPLICABILITY 2 Ignition on, engine not running. t, read Transmission DTCs. NOTE: If the DTC, CAN BUS CIRCUIT, is present, perform diagnostics on All Yes → Refer to the Transmission category and perform the appropriate symptom. No → Go To 3 3 Ignition on, engine not running. t, read ABS DTCs. Are there any performance or bus related ABS DTCs present? All Yes → Repair all ABS DTCs before proceeding. Perform NAG1 TRANSMISSION VERIFICATION TEST - VER 1. No → Go To 4 4 Turn the ignition off to the lock position. All Yes → Repair the CAN BUS + or - circuit for an open. Perform NAG1 TRANSMISSION VERIFICATION TEST - VER 1. No → Go To 5 5 Replace and program the ABS Control Module. t, erase Transmission DTCs. Start the engine. t, read Transmission DTCs. Did the DTC, ABS CAN MESSAGE MISSING, reset? All Yes → Replace the Transmission Control Module. Perform NAG1 TRANSMISSION VERIFICATION TEST - VER 1. No → Test complete. Perform NAG1 TRANSMISSION VERIFICATION TEST - VER 1. 37 TRANSMISSION - NAG1 ABS CAN MESSAGE MISSING — Continued |