Symptom Tree  t081   Printable Version This is symptom tree t081 Cause Correction Electronic fault codes active or high counts of inactive fault codes Refer to Section…

Symptom Tree  t068   Printable Version This is symptom tree t068 Cause Correction Electronic fault codes active or high counts of inactive fault codes Refer to Section…

Symptom Tree  t055   Printable Version This is symptom tree t055 Cause Correction Electronic fault codes active or high counts of inactive fault codes Refer to Section…

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…

Symptom Tree  t016   Printable Version This is symptom tree t016 Cause Correction Error 5023: No connection to the ECM was established or detected Refer to Procedure…

Table of Contents General Information General Information TOC Use the charts on the following pages of this section to aid in diagnosing specific engine symptoms.…

Table of Contents General Information General Information TOC A thorough analysis of the customer’s complaint is the key to successful troubleshooting. The more information known…

Exhaust Back Pressure Low Warning – Under Pressure   Printable Version Overview CODE REASON EFFECT Fault Code: 2319PID: S34SPN: 648FMI: 1/18LAMP: AmberSRT:  Exhaust Back Pressure Low – Warning. Low exhaust back…

Heated Oxygen Sensor Circuit – Long Term Drift   Printable Version Overview CODE REASON EFFECT Fault Code: 2229PID: S55SPN: 724FMI: 13LAMP: AmberSRT:  Heated oxygen sensor failed long-term drift. Possible reduced performance.…

Fuel Delivery Pressure High – Critical   Printable Version Overview CODE REASON EFFECT Fault Code: 2228PID: P135SPN: 135FMI: 0/16LAMP: RedSRT:  Fuel Delivery Pressure High – Critical. Pressure is above the engine…