Description
LB7, LLY, LBZ, & LMM Duramax Diesel Engines:
- Class 2 Protocol (Language)
- GMLAN & Controller Area Network
- Gateway Modules
- Scan Tool Communication
- Mechanical Overview
- Air Intake Systems
- Intake Air Heater Variations
- Conventional & Variable Geometry Turbocharger
- Glow Plug Systems & Generational Changes (Relay or Module)
- Fuel System Overview
- High, Low, & Return Systems
- Common Rail Fuel System
- Pilot injection
- Injector Variations & Flow Rate Programming
- Diesel Emissions Systems
- Crankcase Ventilation (Open & Closed Systems)
- Exhaust Gas Recirculation (EGR) – California
- Catalytic Converters
- Diesel Particulate Filter, Soot Loading & Regeneration
- Accessory Systems
- Fuel Operated Heater (RPO K08)
- Reference Information in Each Section
- Bulletin Summary & Recommended Tools
- Wiring Diagrams
- Scan Tool PIDs Definitions
Duramax Diagnostics
- Diesel Fuel
- Diagnostic Strategy
- Diagnostic System Check
- Trouble Codes
- Symptom Diagnostics
- Fuel System Diagnostics