MANUALS ARE LOADED AS PDF’S ON A USB FLASH DRIVE. This manual contains high quality images, diagrams, instructions to help you to operate, maintenance, diagnostic, and repair your truck. This document is printable, without restrictions, contains searchable text, bookmarks, crosslinks for easy navigation. Language: English Format: PDF, 1433 pages Covered models: 190GW (PIN: 1FF190GW__E051001-) Contents. Manual Identification-READ THIS FIRST! Technical Information Feedback Form. Diagnostic Trouble Codes (DTC). Main Controller (MCZ) Diagnostic Trouble Codes. Option Controller (MC2) Diagnostic Trouble Codes. Engine Control Unit (ECU) Diagnostic Trouble Codes. Monitor Controller (DSZ) Diagnostic Trouble Codes. Information Controller (ICF) Diagnostic Trouble Codes. Air Conditioner Controller (ACF) Diagnostic Trouble Codes. Heating and Air Conditioning.