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…
Symptom Tree t022 Printable Version This is symptom tree t022 Cause Correction Electronic fault codes active or high counts of inactive fault codes View and troubleshoot…
View Related Topic Symptom Tree t021 Printable Version This is symptom tree t021 Cause Correction Excessive internal or external engine coolant loss Before troubleshooting, it is…
Symptom Tree t020 Printable Version This is symptom tree t020 Cause Correction Coolant level is above specification Check the coolant level. Refer to the OEM service…
Symptom Tree t014 Printable Version This is symptom tree t014 Cause Correction Voltage regulator is malfunctioning Check the voltage regulator. Replace the voltage regulator, if necessary.…
Symptom Tree t013 Printable Version This is symptom tree t013 Cause Correction Vehicle gauge is malfunctioning Check the vehicle gauge. Refer to the OEM service manual.…