This troubleshooting guide covers the Detroit Diesel Series 60 engine equipped with DDEC (Detroit Diesel Electronic Control) systems. Designed for heavy-duty applications, the Series 60 is renowned for its robust construction, fuel efficiency, and consistent performance in demanding environments. Its advanced electronic control system ensures optimal engine operation, emissions compliance, and diagnostic capabilities, making it a reliable choice for commercial vehicles and industrial equipment.

This manual provides comprehensive guidance for diagnosing and resolving issues specific to the Detroit Diesel Series 60 DDEC system. It details diagnostic procedures, fault code interpretations, component testing, and recommended repair strategies. By following the information presented, owners, technicians, and mechanics can effectively maintain the engine's performance, ensure operational uptime, and prolong its service life.