Special Tools

Tool	Tool number and name	Supersession	Application
	MB991958 Scan tool (M.U.T.-III sub assembly) MB991824 Vehicle communication interface (V.C.I.) MB991827 M.U.T.-III USB cable MB991910 M.U.T.-III main harness A (Vehicles with CAN communication system) MB991911 M.U.T.-III main harness B (Vehicles without CAN communication system) MB991914 M.U.T.-III main harness C (for Chrysler models only) MB991825 M.U.T.-III adapter harness MB991826 M.U.T.-III trigger harness	MB991824-KIT NOTE: MB991826 M.U.T.-III Trigger Harness is not necessary when pushing V.C.I. ENTER key.	CAUTION: For vehicles with CAN communication, use M.U.T.-III main harness A to send simulated vehicle speed. If you connect M.U.T.-III main harness B instead, the CAN communication does not function correctly. Checking diagnostic trouble codes
	MB991658 Test harness set	Tool not available	Fuel tank differential pressure sensor check