View Related Topic Symptom Tree  t047   Printable Version This is symptom tree t047 Cause Correction When troubleshooting engine noise complaints, make sure the engine (drivetrain) or…

Symptom Tree  t041   Printable Version This is symptom tree t041 Cause Correction Electronic fault codes active or high counts of inactive fault codes Read the fault…

Symptom Tree  t038   Printable Version This is symptom tree t038 Cause Correction Electronic fault codes active or high counts of inactive fault codes View and troubleshoot…

Symptom Tree  t037   Printable Version This is symptom tree t037 Cause Correction Interview the operator to verify the complaint Refer to Driveability – General Information, the…

View Related Topic Symptom Tree  t036   Printable Version This is symptom tree t036 Cause Correction Engine brake on/off switch is off Turn on the switch.  …

Symptom Tree  t028   Printable Version This is symptom tree t028 Cause Correction Filter miles or hours is at expected maintenance interval for replacement. Review the engine’s…

Symptom Tree  t027   Printable Version This is symptom tree t027 Cause Correction Crankcase ventilation system is plugged Check and clean the crankcase breather and vent tube.…

View Related Topic Symptom Tree  t025   Printable Version This is symptom tree t025 Cause Correction EGR cooler malfunctioning Check the EGR cooler. Refer to Procedure 011-019…

Symptom Tree  t024   Printable Version This is symptom tree t024 Cause Correction Coolant temperature gauge is malfunctioning Test the temperature gauge. Repair or replace the gauge,…

Symptom Tree  t023   Printable Version This is symptom tree t023 Cause Correction Electronic fault codes active or high counts of inactive fault codes View and troubleshoot…