Probable Causes The probable root causes are listed in order below: • Vehicle Operation • Vehicle Specifications • Fuel Supply • Air Inlet System or…

Probable Causes The probable root causes are listed in order below: • Air inlet system or exhaust system • Valve lash • Electronic unit injector…

Probable Causes Note: This is NOT an electronic system problem. Refer to Testing and Adjusting for additional information. The probable root causes are listed in…

Probable Causes The probable root causes are listed in order below: • Mounting Brackets • Unbalance of the Clutch Disc • Alignment of the Clutch…

Probable Causes The probable root causes are listed in order below: • Customer Specified Parameter (Engine Retarder) • Cruise Control On/Off Switch • Engine Retarder…

Probable Causes The probable root causes are listed in order below: Note: If the problem is intermittent and the problem can not be duplicated, refer…

Probable Causes The probable root causes are listed in order below: • Diagnostic codes • Engine software • Engine speed/timing signal • Key switch •…

Probable Causes • Configuration for the communications adapter • Electrical connectors • Communication adapter and/or cables • Electrical power supply to the service tool connector…

Probable Causes The probable root causes are listed in order below: • Incorrect password • Incorrect Serial Number • Incorrect reason code • Error on…

Probable Causes The probable root causes are listed below: • Customer Specified Parameters (normal operation) • Cruise Control Pause Switch • On/Off switch for Cruise…