Symptom Tree t038
| Cause | Correction |
|---|
|
Electronic fault codes active or high counts of inactive fault codes |
View and troubleshoot the fault codes with INSITE™. Refer to Section TF in the Troubleshooting and Repair Manual, Electronic Control System ISM and QSM11 Engines, Bulletin 3666266 or the Troubleshooting and Repair Manual CM870 Electronic Control System ISM Engines, Bulletin 4021381. |
 |
|
Engine brake on/off switch or circuit is malfunctioning |
Check the engine brake on/off switch and wiring. Refer to Procedures 019-034 and 019-035 in the Troubleshooting and Repair Manual Electronic Control System ISM and QSM11 Engines, Bulletin 3666266 or the Troubleshooting and Repair Manual CM870 Electronic Control System ISM Engines, Bulletin 4021381 |
|
|
Engine brake adjustment is not correct |
Adjust the engine brakes. Refer to Procedure 003-004. |
|
|
Engine harness ground malfunctioning |
Make sure that the engine wiring harness ground strap is properly secured to the engine block. Refer to Procedure 019-043 in the Troubleshooting and Repair Manual Electronic Control System ISM and QSM11 Engines, Bulletin 3666266 or the Troubleshooting and Repair Manual CM870 Electronic Control System ISM Engines, Bulletin 4021381. |
|
|
Engine block to chassis ground malfunctioning |
Make sure that the ground cable between the engine block and the chassis frame is properly installed and secure. Refer to the OEM service manual for more information. |
|
|
Engine block to starter ground malfunctioning |
Make sure the ground cable between the engine block and starter is properly installed and secure. Refer to the OEM service manual for more information. |
