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

Symptom Tree  t038   Printable Version This is symptom tree t038 Cause Correction Electronic fault codes active or high counts of inactive fault codes Refer to Section…

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 Driveability/Low-Power Customer…

Symptom Tree  t036   Printable Version This is symptom tree t036 Cause Correction Engine brake on/off switch is off Turn on the switch.   Programmable parameters or…

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 Turbocharger oil seal is leaking Isolate the turbocharger to determine if the turbocharger seals…

Symptom Tree  t025   Printable Version This is symptom tree t025 Cause Correction Excessive internal coolant loss Before troubleshooting, it is important to determine the exact complaint…

Symptom Tree  t024   Printable Version This is symptom tree t024 Cause Correction Electronic fault codes active or high counts of inactive fault codes Refer to Section…

Symptom Tree  t023   Printable Version This is symptom tree t023 Cause Correction Coolant level is below specification Check the coolant level. Check for an external leak.…

Symptom Tree  t022   Printable Version This is symptom tree t022 Cause Correction Electronic fault codes active or high counts of inactive fault codes Refer to Section…