This manual pertains to CHU, CXU, GU, and TD series models manufactured in 2010. These trucks are engineered for diverse vocational and highway applications, offering customizable configurations to meet specific operational demands. Known for their robust construction and reliability, these trucks are a staple in the heavy-duty sector, valued for their durability and performance. The 2010 models represent a significant period of advancement, particularly in emissions control technology, featuring EPA 2010 compliant systems such as Selective Catalytic Reduction (SCR) and Exhaust Gas Recirculation (EGR).

This comprehensive Diagnostic Trouble Code (DTC) Guide and ECM Troubleshooting Manual is designed for professional truck technicians, fleet maintenance personnel, and diagnostic specialists. It provides essential information for understanding and resolving issues related to the Engine Control Module (ECM) for the specified 2010 truck series. The manual covers Engine Control Module (ECM) diagnostics, fault code interpretation, on-board diagnostics (OBD II) monitor operation, and systematic troubleshooting procedures for engine control faults. By detailing DTCs, component functionality, and system checks, this guide is crucial for efficient repair, accurate diagnostics, and minimizing vehicle downtime.

This manual pertains to CHU, CXU, GU, and TD series models manufactured in 2010. These trucks are engineered for diverse vocational and highway applications, offering customizable configurations to meet specific operational demands. Known for their robust construction and reliability, these trucks are a staple in the heavy-duty sector, valued for their durability and performance. The 2010 models represent a significant period of advancement, particularly in emissions control technology, featuring EPA 2010 compliant systems such as Selective Catalytic Reduction (SCR) and Exhaust Gas Recirculation (EGR).

This comprehensive Diagnostic Trouble Code (DTC) Guide and ECM Troubleshooting Manual is designed for professional truck technicians, fleet maintenance personnel, and diagnostic specialists. It provides essential information for understanding and resolving issues related to the Engine Control Module (ECM) for the specified 2010 truck series. The manual covers Engine Control Module (ECM) diagnostics, fault code interpretation, on-board diagnostics (OBD II) monitor operation, and systematic troubleshooting procedures for engine control faults. By detailing DTCs, component functionality, and system checks, this guide is crucial for efficient repair, accurate diagnostics, and minimizing vehicle downtime.